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Baseball is a bat-and-ball
sport Sport pertains to any form of Competition, competitive physical activity or game that aims to use, maintain, or improve physical ability and Skill, skills while providing enjoyment to participants and, in some cases, entertainment to specta ...
played between two teams of nine players each, taking turns
batting Batting may refer to: * Batting (baseball), the act of attempting to hit a ball thrown by the pitcher with a baseball bat, in order to score runs * Batting (cricket), the act of defending one's wicket with the cricket bat while attempting to score ...
and fielding. The game occurs over the course of several
plays Play most commonly refers to: * Play (activity), an activity done for enjoyment * Play (theatre), a work of drama Play may refer also to: Computers and technology * Google Play, a digital content service * Play Framework, a Java framework * P ...
, with each play generally beginning when a player on the fielding team, called the
pitcher In baseball, the pitcher is the player who throws ("pitches") the baseball from the pitcher's mound toward the catcher to begin each play, with the goal of retiring a batter, who attempts to either make contact with the pitched ball or draw ...
, throws a
ball A ball is a round object (usually spherical, but can sometimes be ovoid) with several uses. It is used in ball games, where the play of the game follows the state of the ball as it is hit, kicked or thrown by players. Balls can also be used f ...
that a player on the batting team, called the batter, tries to hit with a
bat Bats are mammals of the order Chiroptera.''cheir'', "hand" and πτερόν''pteron'', "wing". With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in flight than most ...
. The objective of the offensive team (batting team) is to hit the ball into the field of play, away from the other team's players, allowing its players to run the bases, having them advance counter-clockwise around four bases to score what are called " runs". The objective of the defensive team (referred to as the fielding team) is to prevent batters from becoming runners, and to prevent runners' advance around the bases. A run is scored when a runner legally advances around the bases in order and touches home plate (the place where the player started as a batter). The principal objective of the batting team is to have a player reach first base safely; this generally occurs either when the batter hits the ball and reaches first base
before Before is the opposite of after, and may refer to: * ''Before'' (Gold Panda EP), 2009 * ''Before'' (James Blake EP), 2020 * "Before" (song), a 1996 song by the Pet Shop Boys * "Before", a song by the Empire of the Sun from ''Two Vines'' * "Befo ...
an opponent retrieves the ball and touches the base, or when the pitcher persists in throwing the ball out of the batter's reach. Players on the batting team who reach first base without being called " out" can attempt to advance to subsequent bases as a runner, either immediately or during teammates' turns batting. The fielding team tries to prevent runs by getting batters or runners "out", which forces them out of the field of play. The pitcher can get the batter out by throwing three pitches which result in strikes, while fielders can get the batter out by catching a batted ball before it touches the ground, and can get a runner out by tagging them with the ball while the runner is not touching a base. The opposing teams switch back and forth between batting and fielding; the batting team's turn to bat is over once the fielding team records three outs. One turn batting for each team constitutes an
inning In baseball, softball, and similar games, an inning is the basic unit of play, consisting of two halves or frames, the "top" (first half) and the "bottom" (second half). In each half, one team bats until three outs are made, with the other team ...
. A game is usually composed of nine innings, and the team with the greater number of runs at the end of the game wins. Most games end after the ninth inning, but if scores are tied at that point,
extra innings Extra innings is the extension of a baseball or softball game in order to break a tie. Ordinarily, a baseball game consists of nine regulation innings (in softball and high school baseball games there are typically seven innings; in Little Lea ...
are usually played. Baseball has no game clock. Baseball evolved from older
bat-and-ball games Bat-and-ball games (or safe haven games) are field games played by two opposing teams. Action starts when the defending team throws a ball at a dedicated player of the attacking team, who tries to hit it with a bat and run between various safe ar ...
already being played in England by the mid-18th century. This game was brought by immigrants to North America, where the modern version developed. Baseball's American origins, as well as its reputation as a source of
escapism Escapism is mental diversion from unpleasant or boring aspects of daily life, typically through activities involving imagination or entertainment. Escapism may be used to occupy one's self away from persistent feelings of depression or genera ...
during troubled points in American history such as the
American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by other names) was a civil war in the United States. It was fought between the Union ("the North") and the Confederacy ("the South"), the latter formed by states th ...
and the
Great Depression The Great Depression (19291939) was an economic shock that impacted most countries across the world. It was a period of economic depression that became evident after a major fall in stock prices in the United States. The economic contagio ...
, have led the sport to receive the moniker of "America's Pastime"; since the late 19th century, it has been unofficially recognized as the
national sport A national sport is considered to be an intrinsic part of the culture of a nation. Some sports are ''de facto'' (not established by law) national sports, as sumo is in Japan and Gaelic games are in Ireland and field hockey in Pakistan, while oth ...
of the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
, though in modern times is considered less popular than other sports, such as
American football American football (referred to simply as football in the United States and Canada), also known as gridiron, is a team sport played by two teams of eleven players on a rectangular field with goalposts at each end. The offense, the team with ...
. In addition to
North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
, baseball is considered the most popular sport in parts of
Central Central is an adjective usually referring to being in the center of some place or (mathematical) object. Central may also refer to: Directions and generalised locations * Central Africa, a region in the centre of Africa continent, also known as ...
and
South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...
, the
Caribbean The Caribbean (, ) ( es, El Caribe; french: la Caraïbe; ht, Karayib; nl, De Caraïben) is a region of the Americas that consists of the Caribbean Sea, its islands (some surrounded by the Caribbean Sea and some bordering both the Caribbean Se ...
, and
East Asia East Asia is the eastern region of Asia, which is defined in both geographical and ethno-cultural terms. The modern states of East Asia include China, Japan, Mongolia, North Korea, South Korea, and Taiwan. China, North Korea, South Korea and ...
, particularly in
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
,
South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed ...
, and
Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...
. In
Major League Baseball Major League Baseball (MLB) is a professional baseball organization and the oldest major professional sports league in the world. MLB is composed of 30 total teams, divided equally between the National League (NL) and the American League (AL), ...
(MLB), the highest level of
professional baseball Professional baseball is organized baseball in which players are selected for their talents and are paid to play for a specific team or club system. It is played in baseball league, leagues and associated farm teams throughout the world. Mod ...
in the United States and Canada, teams are divided into the
National League The National League of Professional Baseball Clubs, known simply as the National League (NL), is the older of two leagues constituting Major League Baseball (MLB) in the United States and Canada, and the world's oldest extant professional team s ...
(NL) and
American League The American League of Professional Baseball Clubs, known simply as the American League (AL), is one of two leagues that make up Major League Baseball (MLB) in the United States and Canada. It developed from the Western League, a minor league ...
(AL), each with three divisions: East, West, and Central. The MLB champion is determined by
playoffs The playoffs, play-offs, postseason or finals of a sports league are a competition played after the regular season by the top competitors to determine the league champion or a similar accolade. Depending on the league, the playoffs may be eithe ...
that culminate in the
World Series The World Series is the annual championship series of Major League Baseball (MLB) in the United States and Canada, contested since 1903 between the champion teams of the American League (AL) and the National League (NL). The winner of the World ...
. The top level of play is similarly split in Japan between the
Central Central is an adjective usually referring to being in the center of some place or (mathematical) object. Central may also refer to: Directions and generalised locations * Central Africa, a region in the centre of Africa continent, also known as ...
and
Pacific League The or is one of the two professional baseball leagues constituting Nippon Professional Baseball in Japan. The winner of the league championship competes against the winner in the Central League for the annual Japan Series. It currently consis ...
s and in Cuba between the West League and East League. The
World Baseball Classic The World Baseball Classic (WBC) is an international baseball tournament sanctioned from 2006 to 2013 by the International Baseball Federation (IBAF) and after 2013 by World Baseball Softball Confederation (WBSC) in partnership with Major Leagu ...
, organized by the
World Baseball Softball Confederation World Baseball Softball Confederation (WBSC; french: Confédération internationale de baseball et softball) is the world governing body for the sports of baseball, softball, and Baseball5. It was established in 2013 by the merger of the Inter ...
, is the major international competition of the sport and attracts the top national teams from around the world. Baseball was played at the Olympic Games from 1992 to 2008, and was reinstated in 2020.


Rules and gameplay

A baseball game is played between two teams, each usually composed of nine players, that take turns playing offense (batting and baserunning) and defense (pitching and fielding). A pair of turns, one at bat and one in the field, by each team constitutes an
inning In baseball, softball, and similar games, an inning is the basic unit of play, consisting of two halves or frames, the "top" (first half) and the "bottom" (second half). In each half, one team bats until three outs are made, with the other team ...
. A game consists of nine innings (seven innings at the high school level and in doubleheaders in college, Minor League Baseball and, since the 2020 season,
Major League Baseball Major League Baseball (MLB) is a professional baseball organization and the oldest major professional sports league in the world. MLB is composed of 30 total teams, divided equally between the National League (NL) and the American League (AL), ...
; and six innings at the Little League level). One team—customarily the visiting team—bats in the top, or first half, of every inning. The other team—customarily the home team—bats in the bottom, or second half, of every inning. The goal of the game is to score more points ( runs) than the other team. The players on the team at bat attempt to score runs by touching all four bases, in order, set at the corners of the square-shaped
baseball diamond A baseball field, also called a ball field or baseball diamond, is the field upon which the game of baseball is played. The term can also be used as a metonym for a baseball park. The term sandlot is sometimes used, although this usually refers ...
. A player bats at
home plate A baseball field, also called a ball field or baseball diamond, is the field upon which the game of baseball is played. The term can also be used as a metonym for a baseball park. The term sandlot is sometimes used, although this usually refers ...
and must attempt to safely reach a base before proceeding,
counterclockwise Two-dimensional rotation can occur in two possible directions. Clockwise motion (abbreviated CW) proceeds in the same direction as a clock's hands: from the top to the right, then down and then to the left, and back up to the top. The opposite ...
, from first base, to second base, third base, and back home to score a run. The team in the field attempts to prevent runs from scoring by recording
outs In baseball, an out occurs when the umpire rules a batter or baserunner out. When a batter or runner is out, they lose their ability to score a run and must return to the dugout until their next turn at bat. When three outs are recorded in a ha ...
, which remove opposing players from offensive action, until their next turn at bat comes up again. When three outs are recorded, the teams switch roles for the next half-inning. If the score of the game is tied after nine innings,
extra innings Extra innings is the extension of a baseball or softball game in order to break a tie. Ordinarily, a baseball game consists of nine regulation innings (in softball and high school baseball games there are typically seven innings; in Little Lea ...
are played to resolve the contest. Many amateur games, particularly unorganized ones, involve different numbers of players and innings. The game is played on a field whose primary boundaries, the foul lines, extend forward from home plate at 45-degree angles. The 90-degree area within the foul lines is referred to as fair territory; the 270-degree area outside them is foul territory. The part of the field enclosed by the bases and several yards beyond them is the
infield Infield is a sports term whose definition depends on the sport in whose context it is used. Baseball In baseball, the diamond, as well as the area immediately beyond it, has both grass and dirt, in contrast to the more distant, usually grass-c ...
; the area farther beyond the infield is the
outfield The outfield, in cricket, baseball and softball is the area of the field of play further from the batsman or batter than the infield. In association football, the outfield players are positioned outside the goal area. In cricket, baseball and ...
. In the middle of the infield is a raised pitcher's mound, with a rectangular rubber plate (the rubber) at its center. The outer boundary of the outfield is typically demarcated by a raised fence, which may be of any material and height. The fair territory between home plate and the outfield boundary is baseball's field of play, though significant events can take place in foul territory, as well. There are three basic tools of baseball: the
ball A ball is a round object (usually spherical, but can sometimes be ovoid) with several uses. It is used in ball games, where the play of the game follows the state of the ball as it is hit, kicked or thrown by players. Balls can also be used f ...
, the
bat Bats are mammals of the order Chiroptera.''cheir'', "hand" and πτερόν''pteron'', "wing". With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in flight than most ...
, and the glove or mitt: * The baseball is about the size of an adult's fist, around 9 inches (23 centimeters) in circumference. It has a rubber or cork center, wound in yarn and covered in white
cowhide Cowhide is the natural, unbleached skin and hair of a cow. It retains the original coloring of the animal. Cowhides are a product of the food industry from cattle. Cowhide is frequently processed into leather. Process Once a cow has been killed ...
, with red stitching. * The bat is a hitting tool, traditionally made of a single, solid piece of wood. Other materials are now commonly used for nonprofessional games. It is a hard round stick, about 2.5 inches (6.4 centimeters) in diameter at the hitting end, tapering to a narrower handle and culminating in a knob. Bats used by adults are typically around 34 inches (86 centimeters) long, and not longer than 42 inches (106 centimeters). * The glove or mitt is a fielding tool, made of padded leather with webbing between the fingers. As an aid in catching and holding onto the ball, it takes various shapes to meet the specific needs of different fielding positions. Protective
helmets A helmet is a form of protective gear worn to protect the head. More specifically, a helmet complements the skull in protecting the human brain. Ceremonial or symbolic helmets (e.g., a policeman's helmet in the United Kingdom) without protect ...
are also standard equipment for all batters. At the beginning of each half-inning, the nine players of the fielding team arrange themselves around the field. One of them, the
pitcher In baseball, the pitcher is the player who throws ("pitches") the baseball from the pitcher's mound toward the catcher to begin each play, with the goal of retiring a batter, who attempts to either make contact with the pitched ball or draw ...
, stands on the pitcher's mound. The pitcher begins the pitching delivery with one foot on the rubber, pushing off it to gain velocity when throwing toward home plate. Another fielding team player, the
catcher Catcher is a Baseball positions, position in baseball and softball. When a Batter (baseball), batter takes their at bat, turn to hit, the catcher crouches behind home plate, in front of the (home plate, home) Umpire (baseball), umpire, and recei ...
, squats on the far side of home plate, facing the pitcher. The rest of the fielding team faces home plate, typically arranged as four infielders—who set up along or within a few yards outside the imaginary lines (basepaths) between first, second, and third base—and three outfielders. In the standard arrangement, there is a
first baseman A first baseman, abbreviated 1B, is the player on a baseball or softball team who fields the area nearest first base, the first of four bases a baserunner must touch in succession to score a run. The first baseman is responsible for the majori ...
positioned several steps to the left of first base, a second baseman to the right of second base, a
shortstop Shortstop, abbreviated SS, is the baseball or softball fielding position between second and third base, which is considered to be among the most demanding defensive positions. Historically the position was assigned to defensive specialists who ...
to the left of second base, and a
third baseman A third baseman, abbreviated 3B, is the player in baseball or softball whose responsibility is to defend the area nearest to third base — the third of four bases a baserunner must touch in succession to score a run. In the scoring system us ...
to the right of third base. The basic outfield positions are
left fielder In baseball, a left fielder, abbreviated LF, is an outfielder who plays defense in left field. Left field is the area of the outfield to the left of a person standing at home plate and facing towards the pitcher's mound. In the numbering system ...
,
center fielder A center fielder, abbreviated CF, is the outfielder in baseball who plays defense in center field – the baseball and softball fielding position between left field and right field. In the numbering system used to record defensive plays, the c ...
, and
right fielder A right fielder, abbreviated RF, is the outfielder in baseball or softball who plays defense in right field. Right field is the area of the outfield to the right of a person standing at home plate and facing towards the pitcher's mound. In the ...
. With the exception of the catcher, all fielders are required to be in fair territory when the pitch is delivered. A neutral
umpire An umpire is an official in a variety of sports and competition, responsible for enforcing the rules of the sport, including sportsmanship decisions such as ejection. The term derives from the Old French nonper, ''non'', "not" and ''per'', ...
sets up behind the catcher. Other umpires will be distributed around the field as well. Play starts with a member of the batting team, the batter, standing in either of the two
batter's box A baseball field, also called a ball field or baseball diamond, is the field upon which the game of baseball is played. The term can also be used as a metonym for a baseball park. The term sandlot is sometimes used, although this usually refers ...
es next to home plate, holding a bat. The batter waits for the pitcher to throw a pitch (the ball) toward home plate, and attempts to hit the ball with the bat. The catcher catches pitches that the batter does not hit—as a result of either electing not to swing or failing to connect—and returns them to the pitcher. A batter who hits the ball into the field of play must drop the bat and begin running toward first base, at which point the player is referred to as a ''runner'' (or, until the play is over, a ''batter-runner''). A batter-runner who reaches first base without being
put out In baseball statistics, a putout (denoted by ''PO'' or ''fly out'' when appropriate) is awarded to a defensive player who (generally while in secure possession of the ball) records an out by one of the following methods: * Tagging a runner wit ...
is said to be ''
safe A safe (also called a strongbox or coffer) is a secure lockable box used for securing valuable objects against theft or fire. A safe is usually a hollow cuboid or cylinder, with one face being removable or hinged to form a door. The body and ...
'' and is on base. A batter-runner may choose to remain at first base or attempt to advance to second base or even beyond—however far the player believes can be reached safely. A player who reaches base despite proper play by the fielders has recorded a
hit Hit means to strike someone or something. Hit or HIT may also refer to: Arts, entertainment and media Fictional entities * Hit, a fictional character from '' Dragon Ball Super'' * Homicide International Trust, or HIT, a fictional organization ...
. A player who reaches first base safely on a hit is credited with a
single Single may refer to: Arts, entertainment, and media * Single (music), a song release Songs * "Single" (Natasha Bedingfield song), 2004 * "Single" (New Kids on the Block and Ne-Yo song), 2008 * "Single" (William Wei song), 2016 * "Single", by ...
. If a player makes it to second base safely as a direct result of a hit, it is a
double A double is a look-alike or doppelgänger; one person or being that resembles another. Double, The Double or Dubble may also refer to: Film and television * Double (filmmaking), someone who substitutes for the credited actor of a character * Th ...
; third base, a
triple Triple is used in several contexts to mean "threefold" or a " treble": Sports * Triple (baseball), a three-base hit * A basketball three-point field goal * A figure skating jump with three rotations * In bowling terms, three strikes in a row * ...
. If the ball is hit in the air within the foul lines over the entire outfield (and outfield fence, if there is one), or if the batter-runner otherwise safely circles all the bases, it is a
home run In baseball, a home run (abbreviated HR) is scored when the ball is hit in such a way that the batter is able to circle the bases and reach home plate safely in one play without any errors being committed by the defensive team. A home run i ...
: the batter and any runners on base may all freely circle the bases, each scoring a run. This is the most desirable result for the batter. The ultimate and most desirable result possible for a batter would be to hit a home run while all three bases are occupied or "loaded", thus scoring four runs on a single hit. This is called a
grand slam Grand Slam most often refers to: * Grand Slam (tennis), one player or pair winning all four major annual tournaments, or the tournaments themselves Grand Slam or Grand slam may also refer to: Games and sports * Grand slam, winning category te ...
. A player who reaches base due to a fielding mistake is not credited with a hit—instead, the responsible fielder is charged with an
error An error (from the Latin ''error'', meaning "wandering") is an action which is inaccurate or incorrect. In some usages, an error is synonymous with a mistake. The etymology derives from the Latin term 'errare', meaning 'to stray'. In statistics ...
. Any runners already on base may attempt to advance on batted balls that land, or contact the ground, in fair territory, before or after the ball lands. A runner on first base ''must'' attempt to advance if a ball lands in play, as only one runner may occupy a base at any given time. If a ball hit into play rolls foul before passing through the infield, it becomes
dead Death is the irreversible cessation of all biological functions that sustain an organism. For organisms with a brain, death can also be defined as the irreversible cessation of functioning of the whole brain, including brainstem, and brain ...
and any runners must return to the base they occupied when the play began. If the ball is hit in the air and caught before it lands, the batter has
flied out In baseball, the baseball rules, rules state that a batted ball is considered in flight when it has not yet touched any object other than a fielder or his equipment. Such a ball can be caught by a fielder to put the batter out (baseball), out. O ...
and any runners on base may attempt to advance only if they
tag up In baseball Baseball is a bat-and-ball sport played between two teams of nine players each, taking turns batting and fielding. The game occurs over the course of several plays, with each play generally beginning when a player on th ...
(contact the base they occupied when the play began, as or after the ball is caught). Runners may also attempt to advance to the next base while the pitcher is in the process of delivering the ball to home plate; a successful effort is a
stolen base In baseball, a stolen base occurs when a runner advances to a base to which they are not entitled and the official scorer rules that the advance should be credited to the action of the runner. The umpires determine whether the runner is safe or ...
. A pitch that is not hit into the field of play is called either a strike or a ball. A batter against whom three strikes are recorded strikes out. A batter against whom four balls are recorded is awarded a
base on balls A base on balls (BB), also known as a walk, occurs in baseball when a batter receives four pitches that the umpire calls '' balls'', and is in turn awarded first base without the possibility of being called out. The base on balls is defined in Se ...
or walk, a free advance to first base. (A batter may also freely advance to first base if the batter's body or uniform is struck by a pitch outside the strike zone, provided the batter does not swing and attempts to avoid being hit.) Crucial to determining balls and strikes is the umpire's judgment as to whether a pitch has passed through the
strike zone In baseball, the strike zone is the volume of space through which a pitch must pass in order to be called a strike even if the batter does not swing. The strike zone is defined as the volume of space above home plate and between the batter's kn ...
, a conceptual area above home plate extending from the midpoint between the batter's shoulders and belt down to the hollow of the knee. Any pitch which does not pass through the strike zone is called a ball, unless the batter either swings and misses at the pitch, or hits the pitch into foul territory; an exception
generally GeneRally is a freeware Racing video game, racing game developed by brothers Hannu and Jukka Räbinä from Finland. Although it features a 3D computer graphics, 3D graphics engine, Gene Rally has a top-down perspective. It has a similar art desig ...
occurs if the ball is hit into foul territory when the batter already has two strikes, in which case neither a ball nor a strike is called. While the team at bat is trying to score runs, the team in the field is attempting to record outs. In addition to the strikeout and flyout, common ways a member of the batting team may be put out include the ground out,
force out In baseball, a force is a situation when a baserunner is compelled (or ''forced'') to vacate their starting base (time-of-pitch base) and try to advance to the next base. When a runner is forced to advance to a base, they are forced out if an o ...
, and
tag out In baseball and softball, a tag out, sometimes just called a tag, is a play in which a baserunner is out because a fielder touches him with the ball or with the hand or glove holding the ball, while the ball is live and the runner is in jeopa ...
. These occur either when a runner is forced to advance to a base, and a fielder with possession of the ball reaches that base before the runner does, or the runner is touched by the ball, held in a fielder's hand, while not on a base. (The batter-runner is always forced to advance to first base, and any other runners must advance to the next base if a teammate is forced to advance to their base.) It is possible to record two outs in the course of the same play. This is called a
double play In baseball and softball, a double play (denoted as DP in baseball statistics) is the act of making two outs during the same continuous play. Double plays can occur any time there is at least one baserunner and fewer than two outs. In Major Leag ...
. Three outs in one play, a
triple play In baseball, a triple play (denoted as TP in baseball statistics) is the act of making three outs during the same play. There have only been 733 triple plays in Major League Baseball (MLB) since 1876, an average of just over five per season. Th ...
, is possible, though rare. Players put out or retired must leave the field, returning to their team's dugout or bench. A runner may be stranded on base when a third out is recorded against another player on the team. Stranded runners do not benefit the team in its next turn at bat as every half-inning begins with the bases empty. An individual player's turn batting or
plate appearance In baseball statistics, a player is credited with a plate appearance (denoted by PA) each time he completes a turn batting. Under Rule 5.04(c) of the Official Baseball Rules, a player completes a turn batting when he is put out or becomes a runner ...
is complete when the player reaches base, hits a home run, makes an out, or hits a ball that results in the team's third out, even if it is recorded against a teammate. On rare occasions, a batter may be at the plate when, without the batter's hitting the ball, a third out is recorded against a teammate—for instance, a runner getting
caught stealing In baseball, a runner is charged, and the fielders involved are credited, with a time caught stealing when the runner attempts to advance or lead off from one base to another without the ball being batted and then is tagged out by a fielder whil ...
(tagged out attempting to steal a base). A batter with this sort of incomplete plate appearance starts off the team's next turn batting; any balls or strikes recorded against the batter the previous inning are erased. A runner may circle the bases only once per plate appearance and thus can score at most a single run per batting turn. Once a player has completed a plate appearance, that player may not bat again until the eight other members of the player's team have all taken their turn at bat in the batting order. The batting order is set before the game begins, and may not be altered except for substitutions. Once a player has been removed for a substitute, that player may not reenter the game. Children's games often have more lenient rules, such as Little League rules, which allow players to be substituted back into the same game. If the
designated hitter The designated hitter (DH) is a baseball player who bats in place of another position player, most commonly the pitcher. The position is authorized by Major League Baseball Rule 5.11. It was adopted by the American League in 1973 and later by th ...
(DH) rule is in effect, each team has a tenth player whose sole responsibility is to bat (and run). The DH takes the place of another player—almost invariably the pitcher—in the batting order, but does not field. Thus, even with the DH, each team still has a batting order of nine players and a fielding arrangement of nine players.


Personnel


Players

The number of players on a baseball roster, or ''squad'', varies by
league League or The League may refer to: Arts and entertainment * ''Leagues'' (band), an American rock band * ''The League'', an American sitcom broadcast on FX and FXX about fantasy football Sports * Sports league * Rugby league, full contact footba ...
and by the level of organized play. A
Major League Baseball Major League Baseball (MLB) is a professional baseball organization and the oldest major professional sports league in the world. MLB is composed of 30 total teams, divided equally between the National League (NL) and the American League (AL), ...
(MLB) team has a roster of 25 players with specific roles. A typical roster features the following players: * Eight
position player In baseball, a position player is a player who on defense plays as an infielder, outfielder, or catcher. In Major League Baseball (since 1973 in the American League and since 2022 in the National League), there is also a designated hitter, who ...
s: the
catcher Catcher is a Baseball positions, position in baseball and softball. When a Batter (baseball), batter takes their at bat, turn to hit, the catcher crouches behind home plate, in front of the (home plate, home) Umpire (baseball), umpire, and recei ...
, four
infielder An infielder is a baseball player stationed at one of four defensive "infield" positions on the baseball field. Standard arrangement of positions In a game of baseball, two teams of nine players take turns playing offensive and defensive roles. ...
s, and three
outfielder An outfielder is a person playing in one of the three defensive positions in baseball or softball, farthest from the batter. These defenders are the left fielder, the center fielder, and the right fielder. As an outfielder, their duty is to cat ...
s—all of whom play on a regular basis * Five
starting pitcher In baseball (hardball or softball), a starting pitcher or starter is the first pitcher in the game for each team. A pitcher is credited with a game started if they throw the first pitch to the opponent's first batter of a game. Starting pit ...
s who constitute the team's pitching rotation or starting rotation * Six
relief pitcher In baseball and softball, a relief pitcher or reliever is a pitcher who enters the game after the starting pitcher is removed because of fatigue (medical), fatigue, ineffectiveness, injury, or ejection (sports), ejection, or for other strategic ...
s, including one closer, who constitute the team's
bullpen In baseball, the bullpen (or simply the pen) is the area where relief pitchers warm up before entering a game. A team's roster of relief pitchers is also metonymically referred to as "the bullpen". These pitchers usually wait in the bullpen if t ...
(named for the off-field area where pitchers warm up) * One backup, or substitute, catcher * Two backup infielders * Two backup outfielders * One
pinch hitter In baseball, a pinch hitter is a substitute Batting (baseball), batter. Batters can be substituted at any time while the dead ball (baseball), ball is dead (not in active play); the manager (baseball), manager may use any player who has not yet ...
, or a
utility player In sports, a utility player is one who can play several positions competently. Sports in which the term is often used include association football, American football, baseball, rugby union, rugby league, softball, ice hockey, and water polo. The ...
, or a seventh reliever Most baseball leagues worldwide have the DH rule, including the
MLB Major League Baseball (MLB) is a professional baseball organization and the oldest major professional sports league in the world. MLB is composed of 30 total teams, divided equally between the National League (NL) and the American League (AL), ...
, Japan's Pacific League, and Caribbean professional leagues, along with major American amateur organizations. The
Central League The or is one of the two professional baseball leagues that constitute Nippon Professional Baseball in Japan. The winner of the league championship plays against the winner of the Pacific League in the annual Japan Series. It currently consist ...
in
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
does not have the rule and high-level minor league clubs connected to National League teams are not required to field a DH. In leagues that apply the designated hitter rule, a typical team has nine offensive regulars (including the DH), five starting pitchers, seven or eight relievers, a backup catcher, and two or three other reserve players.


Managers and coaches

The
manager Management (or managing) is the administration of an organization, whether it is a business, a nonprofit organization, or a government body. It is the art and science of managing resources of the business. Management includes the activities o ...
, or head coach, oversees the team's major strategic decisions, such as establishing the starting rotation, setting the lineup, or batting order, before each game, and making substitutions during games—in particular, bringing in relief pitchers. Managers are typically assisted by two or more
coaches Coach may refer to: Guidance/instruction * Coach (sport), a director of athletes' training and activities * Coaching, the practice of guiding an individual through a process ** Acting coach, a teacher who trains performers Transportation * Coac ...
; they may have specialized responsibilities, such as working with players on hitting, fielding, pitching, or strength and conditioning. At most levels of organized play, two coaches are stationed on the field when the team is at bat: the first base coach and third base coach, who occupy designated coaches' boxes, just outside the foul lines. These coaches assist in the direction of baserunners, when the ball is in play, and relay tactical signals from the manager to batters and runners, during pauses in play. In contrast to many other team sports, baseball managers and coaches generally wear their team's uniforms; coaches must be in uniform to be allowed on the field to confer with players during a game.


Umpires

Any baseball game involves one or more umpires, who make rulings on the outcome of each play. At a minimum, one umpire will stand behind the catcher, to have a good view of the strike zone, and call balls and strikes. Additional umpires may be stationed near the other bases, thus making it easier to judge plays such as attempted force outs and tag outs. In MLB, four umpires are used for each game, one near each base. In the playoffs, six umpires are used: one at each base and two in the outfield along the foul lines.


Strategy

Many of the pre-game and in-game strategic decisions in baseball revolve around a fundamental fact: in general, right-handed batters tend to be more successful against left-handed pitchers and, to an even greater degree, left-handed batters tend to be more successful against right-handed pitchers. A manager with several left-handed batters in the regular lineup, who knows the team will be facing a left-handed starting pitcher, may respond by starting one or more of the right-handed backups on the team's roster. During the late innings of a game, as relief pitchers and pinch hitters are brought in, the opposing managers will often go back and forth trying to create favorable matchups with their substitutions. The manager of the fielding team trying to arrange same-handed pitcher-batter matchups and the manager of the batting team trying to arrange opposite-handed matchups. With a team that has the lead in the late innings, a manager may remove a starting position player—especially one whose turn at bat is not likely to come up again—for a more skillful fielder (known as a defensive substitution).


Tactics


Pitching and fielding

The tactical decision that precedes almost every play in a baseball game involves pitch selection. By gripping and then releasing the baseball in a certain manner, and by throwing it at a certain speed, pitchers can cause the baseball to break to either side, or downward, as it approaches the batter, thus creating differing pitches that can be selected. Among the resulting wide variety of pitches that may be thrown, the four basic types are the
fastball The fastball is the most common type of pitch thrown by pitchers in baseball and softball. "Power pitchers," such as former American major leaguers Nolan Ryan and Roger Clemens, rely on speed to prevent the ball from being hit, and have thro ...
, the
changeup A changeup is a type of pitch in baseball and fastpitch softball. The changeup is a staple off-speed pitch often used in a pitcher's arsenal, usually thrown to look like a fastball but arriving much more slowly to the plate. Its reduced speed ...
(or off-speed pitch), and two
breaking ball In baseball, a breaking ball is a pitch that does not travel straight as it approaches the batter; it will have sideways or downward motion on it, sometimes both (see slider). A breaking ball is not a specific pitch by that name, but is any p ...
s—the
curveball In baseball and softball, the curveball is a type of pitch thrown with a characteristic grip and hand movement that imparts forward spin to the ball, causing it to dive as it approaches the plate. Varieties of curveball include the 12–6 curve ...
and the
slider Slider or Sliders may refer to: Arts * K.K. Slider, a fictional character within the ''Animal Crossing'' franchise * '' The Slider'', a 1972 album by T. Rex * ''Sliders'' (TV series), an American science fiction and fantasy television series * ...
. Pitchers have different repertoires of pitches they are skillful at throwing. Conventionally, before each pitch, the catcher signals the pitcher what type of pitch to throw, as well as its general vertical and/or horizontal location. If there is disagreement on the selection, the pitcher may shake off the sign and the catcher will call for a different pitch. With a runner on base and taking a lead, the pitcher may attempt a
pickoff In baseball, a pickoff is an act by a pitcher or catcher, throwing a live ball to a fielder so that the fielder can tag out a baserunner who is either leading off or about to begin stealing the next base. A pickoff attempt occurs when this thro ...
, a quick throw to a fielder covering the base to keep the runner's lead in check or, optimally, effect a tag out. Pickoff attempts, however, are subject to rules that severely restrict the pitcher's movements before and during the pickoff attempt. Violation of any one of these rules could result in the umpire calling a
balk In baseball, a pitcher can commit a number of illegal motions or actions that constitute a balk. Most of these violations involve pitchers pretending to pitch when they have no intention of doing so. In games played under the Official Baseball Ru ...
against the pitcher, which permits any runners on base to advance one base with impunity. If an attempted
stolen base In baseball, a stolen base occurs when a runner advances to a base to which they are not entitled and the official scorer rules that the advance should be credited to the action of the runner. The umpires determine whether the runner is safe or ...
is anticipated, the catcher may call for a
pitchout In baseball or softball, a pitchout is a ball that is intentionally thrown high and outside the strike zone with the purpose of preventing a stolen base, thwarting a hit and run, or to prevent a run-scoring play on a suicide squeeze play. The pi ...
, a ball thrown deliberately off the plate, allowing the catcher to catch it while standing and throw quickly to a base. Facing a batter with a strong tendency to hit to one side of the field, the fielding team may employ a shift, with most or all of the fielders moving to the left or right of their usual positions. With a runner on third base, the infielders may play in, moving closer to home plate to improve the odds of throwing out the runner on a
ground ball In the sports of baseball and softball, a batted ball is a pitch that has been contacted by the batter's bat. Batted balls are either fair or foul, and can be characterized as a fly ball, pop-up, line drive, or ground ball. In baseball, a fou ...
, though a sharply hit grounder is more likely to carry through a drawn-in infield.Stallings and Bennett (2003), p. 45.


Batting and baserunning

Several basic offensive tactics come into play with a runner on first base, including the fundamental choice of whether to attempt a steal of second base. The
hit and run In traffic laws, a hit and run or a hit-and-run is the act of causing a traffic collision and not stopping afterwards. It is considered a supplemental crime in most jurisdictions. Additional obligation In many jurisdictions, there may be an ...
is sometimes employed, with a skillful
contact hitter In baseball, a contact hitter is a hitter who does not strike out often. Thus, they are usually able to use their bats to make contact with the ball (hence the name ''contact'' hitter) to put it in play, and then run fast to reach base. As a resul ...
, the runner takes off with the pitch, drawing the shortstop or second baseman over to second base, creating a gap in the infield for the batter to poke the ball through. The
sacrifice bunt In baseball, a sacrifice bunt (also called a sacrifice hit) is a batter's act of deliberately bunting the ball, before there are two outs, in a manner that allows a baserunner to advance to another base. The batter is almost always put out, and ...
, calls for the batter to focus on making soft contact with the ball, so that it rolls a short distance into the infield, allowing the runner to advance into
scoring position In the sport of baseball, a baserunner is said to be in scoring position when they are on second or third base. The distinction between being on first base and second or third base is that a runner on first can usually only score if the batte ...
as the batter is thrown out at first. A batter, particularly one who is a fast runner, may also attempt to
bunt Bunt may refer to: * Bunt (community), an elite social group from Karnataka, India * Bunt (baseball), a batting technique in baseball * Bunt (sail), a part of a ship's sail * Bunt Island, island in Antarctica * The Bunt, nickname of the Bunting ...
for a hit. A sacrifice bunt employed with a runner on third base, aimed at bringing that runner home, is known as a squeeze play. With a runner on third and fewer than two outs, a batter may instead concentrate on hitting a fly ball that, even if it is caught, will be deep enough to allow the runner to tag up and score—a successful batter, in this case, gets credit for a
sacrifice fly In baseball, a sacrifice fly (sometimes abbreviated to sac fly) is defined by Rule 9.08(d): "Score a sacrifice fly when, before two are out, the batter hits a ball in flight handled by an outfielder or an infielder running in the outfield in fair o ...
. In order to increase the chance of advancing a batter to first base via a walk, the manager will sometimes signal a batter who is ahead in the count (i.e., has more balls than strikes) to
take A take is a single continuous recorded performance. The term is used in film and music to denote and track the stages of production. Film In cinematography, a take refers to each filmed "version" of a particular shot or "setup". Takes of each s ...
, or not swing at, the next pitch. The batter's potential reward of reaching base (via a walk) exceeds the disadvantage if the next pitch is a strike.


History

The evolution of baseball from older bat-and-ball games is difficult to trace with precision. Consensus once held that today's baseball is a North American development from the older game
rounders Rounders is a bat-and-ball game played between two teams. Rounders is a striking and fielding team game that involves hitting a small, hard, leather-cased ball with a rounded end wooden, plastic, or metal bat. The players score by running aroun ...
, popular among children in Great Britain and Ireland. American baseball historian David Block suggests that the game originated in England; recently uncovered historical evidence supports this position. Block argues that rounders and early baseball were actually regional variants of each other, and that the game's most direct antecedents are the English games of
stoolball Stoolball is a sport that dates back to at least the 15th century, originating in Sussex, southern England. It is considered a "traditional striking and fielding sport" and may be an ancestor of cricket (a game it resembles in some respects), ...
and "tut-ball".Block (2005), pp. 86, 87, 111–113, 118–121, 135–138, 144, 160; Rader (2008), p. 7. The earliest known reference to baseball is in a 1744 British publication, ''
A Little Pretty Pocket-Book ''A Little Pretty Pocket-Book, intended for the Amusement of Little Master Tommy and Pretty Miss Polly with Two Letters from Jack the Giant Killer'' is the title of a 1744 children's book by British publisher John Newbery. History It is generall ...
'', by
John Newbery John Newbery (9 July 1713 – 22 December 1767), considered "The Father of Children's Literature", was an English publisher of books who first made children's literature a sustainable and profitable part of the literary market. He also supported ...
. Block discovered that the first recorded game of "Bass-Ball" took place in 1749 in
Surrey Surrey () is a ceremonial and non-metropolitan county in South East England, bordering Greater London to the south west. Surrey has a large rural area, and several significant urban areas which form part of the Greater London Built-up Area. ...
, and featured the
Prince of Wales Prince of Wales ( cy, Tywysog Cymru, ; la, Princeps Cambriae/Walliae) is a title traditionally given to the heir apparent to the English and later British throne. Prior to the conquest by Edward I in the 13th century, it was used by the rulers ...
as a player. This early form of the game was apparently brought to Canada by English immigrants. By the early 1830s, there were reports of a variety of uncodified bat-and-ball games recognizable as early forms of baseball being played around North America. The first officially recorded baseball game in North America was played in
Beachville, Ontario South-West Oxford is a township in the Canadian province of Ontario, located within Oxford County. The township had a population of 7,664 in the 2016 Canadian census. A predominantly rural municipality, South-West Oxford was formed in 1975 throug ...
, Canada, on June 4, 1838. In 1845,
Alexander Cartwright Alexander Joys Cartwright Jr. (April 17, 1820 – July 12, 1892) was a founding member of the New York Knickerbockers, New York Knickerbockers Base Ball Club in the 1840s. Although he was an inductee of the National Baseball Hall of Fame and Mu ...
, a member of New York City's
Knickerbocker Club The Knickerbocker Club (known informally as The Knick) is a gentlemen's club in New York City that was founded in 1871. It is considered to be the most exclusive club in the United States and one of the most aristocratic gentlemen's clubs in th ...
, led the codification of the so-called
Knickerbocker Rules The Knickerbocker Rules are a set of baseball rules formalized by William R. Wheaton and William H. Tucker of the Knickerbocker Base Ball Club in 1845. They have previously been considered to be the basis for the rules of the modern game, altho ...
, which in turn were based on rules developed in 1837 by
William R. Wheaton William Rufus Wheaton (May 7, 1814 – September 11, 1888) was an American lawyer and politician. He was also a baseball pioneer.Nucciarone, Monica"William Wheaton" sabr.org. Retrieved June 1, 2012. Personal life Wheaton was born in New York Cit ...
of the Gotham Club. While there are reports that the
New York Knickerbockers The New York Knickerbockers were one of the first organized baseball teams which played under a set of rules similar to the game today. Founded as the "Knickerbocker Base Ball Club" by Alexander Cartwright in 1845, the team remained active unt ...
played games in 1845, the contest long recognized as the first officially recorded baseball game in U.S. history took place on June 19, 1846, in
Hoboken, New Jersey Hoboken ( ; Unami: ') is a city in Hudson County in the U.S. state of New Jersey. As of the 2020 U.S. census, the city's population was 60,417. The Census Bureau's Population Estimates Program calculated that the city's population was 58,690 i ...
: the "New York Nine" defeated the Knickerbockers, 23–1, in four innings. With the Knickerbocker code as the basis, the rules of modern baseball continued to evolve over the next half-century.


In the United States


Establishment of professional leagues

In the mid-1850s, a baseball craze hit the
New York metropolitan area The New York metropolitan area, also commonly referred to as the Tri-State area, is the largest metropolitan area in the world by urban area, urban landmass, at , and one of the list of most populous metropolitan areas, most populous urban agg ...
, and by 1856, local journals were referring to baseball as the "national pastime" or "national game". A year later, the sport's first governing body, the
National Association of Base Ball Players The National Association of Base Ball Players (NABBP) was the first organization governing American baseball. (The sport was spelled with two words in the 19th century.) The first convention of sixteen New York City area clubs in 1857 effecti ...
, was formed. In 1867, it barred participation by
African Americans African Americans (also referred to as Black Americans and Afro-Americans) are an ethnic group consisting of Americans with partial or total ancestry from sub-Saharan Africa. The term "African American" generally denotes descendants of ens ...
. The more formally structured
National League The National League of Professional Baseball Clubs, known simply as the National League (NL), is the older of two leagues constituting Major League Baseball (MLB) in the United States and Canada, and the world's oldest extant professional team s ...
was founded in 1876. Professional
Negro leagues The Negro leagues were United States professional baseball leagues comprising teams of African Americans and, to a lesser extent, Latin Americans. The term may be used broadly to include professional black teams outside the leagues and it may be ...
formed, but quickly folded. In 1887,
softball Softball is a game similar to baseball played with a larger ball on a smaller field. Softball is played competitively at club levels, the college level, and the professional level. The game was first created in 1887 in Chicago by George Hanc ...
, under the name of indoor baseball or indoor-outdoor, was invented as a winter version of the parent game. The National League's first successful counterpart, the
American League The American League of Professional Baseball Clubs, known simply as the American League (AL), is one of two leagues that make up Major League Baseball (MLB) in the United States and Canada. It developed from the Western League, a minor league ...
, which evolved from the minor Western League, was established in 1893, and virtually all of the modern
baseball rules The rules of baseball differ slightly from league to league, but in general share the same basic game play. Rules There are several major rules, which differ only slightly. The "Official Baseball Rules" govern all professional play in the Unite ...
were in place by then.Rader (2008), p. 71. The National Agreement of 1903 formalized relations both between the two major leagues and between them and the National Association of Professional Base Ball Leagues, representing most of the country's minor professional leagues. The
World Series The World Series is the annual championship series of Major League Baseball (MLB) in the United States and Canada, contested since 1903 between the champion teams of the American League (AL) and the National League (NL). The winner of the World ...
, pitting the two major league champions against each other, was inaugurated that fall. The
Black Sox Scandal The Black Sox Scandal was a Major League Baseball game-fixing scandal in which eight members of the Chicago White Sox were accused of throwing the 1919 World Series against the Cincinnati Reds in exchange for money from a gambling syndicate led ...
of the
1919 World Series The 1919 World Series was the championship series in Major League Baseball for the 1919 season. The 16th edition of the World Series, it matched the American League champion Chicago White Sox against the National League champion Cincinnati Reds. ...
led to the formation of the office of the
Commissioner of Baseball The Commissioner of Baseball is the chief executive officer of Major League Baseball (MLB) and the associated Minor League Baseball (MiLB) – a constellation of leagues and clubs known as "organized baseball". Under the direction of the Commiss ...
. The first commissioner,
Kenesaw Mountain Landis Kenesaw Mountain Landis (; November 20, 1866 – November 25, 1944) was an American jurist who served as a United States federal judge from 1905 to 1922 and the first Commissioner of Baseball from 1920 until his death. He is remembered for his h ...
, was elected in 1920. That year also saw the founding of the Negro National League; the first significant Negro league, it would operate until 1931. For part of the 1920s, it was joined by the
Eastern Colored League The Mutual Association of Eastern Colored Clubs, more commonly known as the Eastern Colored League (ECL), was one of the several Negro leagues, which operated during the time organized baseball was segregated. League history Founding The ECL ...
.


Rise of Ruth and racial integration

Compared with the present, professional baseball in the early 20th century was lower-scoring, and pitchers were more dominant. The so-called
dead-ball era In baseball, the dead-ball era was the period from around 1900 to the emergence of Babe Ruth as a power hitter in 1919, when he hit a then-major league record 29 home runs; only three players since 1890 had even hit 20. This era was characterized ...
ended in the early 1920s with several changes in rule and circumstance that were advantageous to hitters. Strict new regulations governed the ball's size, shape and composition, along with a new rule officially banning the
spitball A spitball is an illegal baseball pitch in which the ball has been altered by the application of a foreign substance such as saliva or petroleum jelly. This technique alters the wind resistance and weight on one side of the ball, causing it to mo ...
and other pitches that depended on the ball being treated or roughed-up with foreign substances, resulted in a ball that traveled farther when hit. The rise of the legendary player
Babe Ruth George Herman "Babe" Ruth Jr. (February 6, 1895 – August 16, 1948) was an American professional baseball player whose career in Major League Baseball (MLB) spanned 22 seasons, from 1914 through 1935. Nicknamed "the Bambino" and "the Su ...
, the first great power hitter of the new era, helped permanently alter the nature of the game. In the late 1920s and early 1930s,
St. Louis Cardinals The St. Louis Cardinals are an American professional baseball team based in St. Louis. The Cardinals compete in Major League Baseball (MLB) as a member club of the National League (NL) Central division. Since the 2006 season, the Cardinals ha ...
general manager A general manager (GM) is an executive who has overall responsibility for managing both the revenue and cost elements of a company's income statement, known as profit & loss (P&L) responsibility. A general manager usually oversees most or all of ...
Branch Rickey Wesley Branch Rickey (December 20, 1881 – December 9, 1965) was an American baseball player and sports executive. Rickey was instrumental in breaking Major League Baseball's color barrier by signing black player Jackie Robinson. He also creat ...
invested in several minor league clubs and developed the first modern
farm system In sports, a farm team, farm system, feeder team, feeder club, or nursery club is generally a team or club whose role is to provide experience and training for young players, with an agreement that any successful players can move on to a higher ...
. A new Negro National League was organized in 1933; four years later, it was joined by the
Negro American League The Negro American League was one of the several Negro leagues created during the time organized American baseball was segregated. The league was established in 1937, and disbanded after its 1962 season. Negro American League franchises :''An ...
. The first elections to the
National Baseball Hall of Fame The National Baseball Hall of Fame and Museum is a history museum and hall of fame in Cooperstown, New York, operated by private interests. It serves as the central point of the history of baseball in the United States and displays baseball-r ...
took place in 1936. In 1939,
Little League Baseball Little League Baseball and Softball (officially, Little League Baseball Inc) is a 501(c)(3) nonprofit organization A large number of minor league teams disbanded when World War II led to a player shortage.
Chicago Cubs The Chicago Cubs are an American professional baseball team based in Chicago. The Cubs compete in Major League Baseball (MLB) as part of the National League (NL) Central division. The club plays its home games at Wrigley Field, which is located ...
owner Philip K. Wrigley led the formation of the
All-American Girls Professional Baseball League The All-American Girls Professional Baseball League (AAGPBL) was a professional women's baseball league founded by Philip K. Wrigley which existed from 1943 to 1954. The AAGPBL is the forerunner of women's professional league sports in the Uni ...
to help keep the game in the public eye. The first crack in the unwritten agreement barring blacks from white-controlled professional ball occurred in 1945:
Jackie Robinson Jack Roosevelt Robinson (January 31, 1919 – October 24, 1972) was an American professional baseball player who became the first African American to play in Major League Baseball (MLB) in the modern era. Robinson broke the baseball color line ...
was signed by the National League's
Brooklyn Dodgers The Brooklyn Dodgers were a Major League Baseball team founded in 1884 as a member of the American Association (19th century), American Association before joining the National League in 1890. They remained in Brooklyn until 1957, after which the ...
and began playing for their minor league team in Montreal. In 1947, Robinson broke the major leagues' color barrier when he debuted with the Dodgers. Latin-American players, largely overlooked before, also started entering the majors in greater numbers. In 1951, two Chicago White Sox, Venezuelan-born Chico Carrasquel and black Cuban-born
Minnie Miñoso Orestes "Minnie" Miñoso (, ; born Saturnino Orestes Armas Miñoso Arrieta; November 29, 1923 – March 1, 2015), nicknamed "The Cuban Comet" and "Mr. White Sox", was a Cuban professional baseball player. He began his baseball career in the Neg ...
, became the first Hispanic All-Stars.Powers (2003), p. 111.
Integration Integration may refer to: Biology *Multisensory integration *Path integration * Pre-integration complex, viral genetic material used to insert a viral genome into a host genome *DNA integration, by means of site-specific recombinase technology, ...
proceeded slowly: by 1953, only six of the 16 major league teams had a black player on the roster.


Attendance records and the age of steroids

In 1975, the union's power—and players' salaries—began to increase greatly when the reserve clause was effectively struck down, leading to the free agency system. Significant work stoppages occurred in
1981 Events January * January 1 ** Greece enters the European Economic Community, predecessor of the European Union. ** Palau becomes a self-governing territory. * January 10 – Salvadoran Civil War: The FMLN launches its first major offensiv ...
and
1994 File:1994 Events Collage.png, From left, clockwise: The 1994 Winter Olympics are held in Lillehammer, Norway; The Kaiser Permanente building after the 1994 Northridge earthquake; A model of the MS Estonia, which Sinking of the MS Estonia, sank in ...
, the latter forcing the cancellation of the World Series for the first time in 90 years. Attendance had been growing steadily since the mid-1970s and in 1994, before the stoppage, the majors were setting their all-time record for per-game attendance.Simmons, Rob, "The Demand for Spectator Sports", in ''Handbook on the Economics of Sport'', ed. Wladimir Andreff and Stefan Szymanski (Edward Elgar, 2006), pp. 77–89. After play resumed in 1995, non-division-winning wild card teams became a permanent fixture of the post-season. Regular-season
interleague play Interleague play in Major League Baseball refers to regular-season baseball games played between an American League (AL) team and a National League (NL) team. Interleague play was first introduced during the 1997 Major League Baseball season. Pr ...
was introduced in 1997 and the second-highest attendance mark for a full season was set. In 2000, the National and American Leagues were dissolved as legal entities. While their identities were maintained for scheduling purposes (and the designated hitter distinction), the regulations and other functions—such as player discipline and
umpire An umpire is an official in a variety of sports and competition, responsible for enforcing the rules of the sport, including sportsmanship decisions such as ejection. The term derives from the Old French nonper, ''non'', "not" and ''per'', ...
supervision—they had administered separately were consolidated under the rubric of MLB. In 2001,
Barry Bonds Barry Lamar Bonds (born July 24, 1964) is an American former professional baseball left fielder who played 22 seasons in Major League Baseball (MLB). Bonds was a member of the Pittsburgh Pirates from 1986 to 1992 and the San Francisco Giants f ...
established the current record of 73 home runs in a single season. There had long been suspicions that the dramatic increase in power hitting was fueled in large part by the abuse of illegal steroids (as well as by the dilution of pitching talent due to expansion), but the issue only began attracting significant media attention in 2002 and there was no penalty for the use of performance-enhancing drugs before 2004. In 2007, Bonds became MLB's all-time home run leader, surpassing
Hank Aaron Henry Louis Aaron (February 5, 1934 – January 22, 2021), nicknamed "Hammer" or "Hammerin' Hank", was an American professional baseball right fielder who played 23 seasons in Major League Baseball (MLB), from 1954 through 1976. One of the gre ...
, as total major league and minor league attendance both reached all-time highs.


Around the world

With the historic popular moniker as "America's national pastime", baseball is well established in several other countries as well. As early as 1877, a professional league, the International Association, featured teams from both Canada and the US. While baseball is widely played in Canada and many minor league teams have been based in the country, the American major leagues did not include a Canadian club until 1969, when the
Montreal Expos The Montreal Expos (french: link=no, Les Expos de Montréal) were a Canadian professional baseball team based in Montreal, Quebec. The Expos were the first Major League Baseball (MLB) franchise located outside the United States. They played in t ...
joined the National League as an expansion team. In 1977, the expansion
Toronto Blue Jays The Toronto Blue Jays are a Canadian professional baseball team based in Toronto. The Blue Jays compete in Major League Baseball (MLB) as a member club of the American League (AL) East division. Since 1989, the team has played its home games ...
joined the American League. In 1847, American soldiers played what may have been the first baseball game in Mexico at
Parque Los Berros Parque Los Berros, in Xalapa, Veracruz, is located a short distance to the southeast of the center of town, in the neighbourhood of the Stadium. Its name was derived from an edible herb called "berros" (garden cress) that used to grow in the are ...
in
Xalapa Xalapa or Jalapa (, ), officially Xalapa-Enríquez (), is the capital city of the Mexican state of Veracruz and the name of the surrounding municipality. In the 2005 census the city reported a population of 387,879 and the municipality of which ...
,
Veracruz Veracruz (), formally Veracruz de Ignacio de la Llave (), officially the Free and Sovereign State of Veracruz de Ignacio de la Llave ( es, Estado Libre y Soberano de Veracruz de Ignacio de la Llave), is one of the 31 states which, along with Me ...
. The first formal baseball league outside of the United States and Canada was founded in 1878 in Cuba, which maintains a rich baseball tradition. The
Dominican Republic The Dominican Republic ( ; es, República Dominicana, ) is a country located on the island of Hispaniola in the Greater Antilles archipelago of the Caribbean region. It occupies the eastern five-eighths of the island, which it shares wit ...
held its first islandwide championship tournament in 1912. Professional baseball tournaments and leagues began to form in other countries between the world wars, including the Netherlands (formed in 1922), Australia (1934), Japan (1936), Mexico (1937), and Puerto Rico (1938). The Japanese major leagues have long been considered the highest quality professional circuits outside of the United States. After World War II, professional leagues were founded in many Latin American countries, most prominently
Venezuela Venezuela (; ), officially the Bolivarian Republic of Venezuela ( es, link=no, República Bolivariana de Venezuela), is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in th ...
(1946) and the Dominican Republic (1955). Since the early 1970s, the annual
Caribbean Series The Caribbean Series (''Spanish'': ''Serie del Caribe''), also called Caribbean World Series, is the highest tournament for professional baseball teams in Latin America. The tournament location is rotated annually among the countries and is norma ...
has matched the championship clubs from the four leading Latin American winter leagues: the
Dominican Professional Baseball League Dominican may refer to: * Someone or something from or related to the Dominican Republic ( , stress on the "mi"), on the island of Hispaniola in the Greater Antilles, in the Caribbean ** People of the Dominican Republic ** Demographics of the Dom ...
,
Mexican Pacific League The Mexican Pacific League (), known as Liga ARCO Mexicana del Pacífico for sponsorship reasons or simply LMP for its acronym in Spanish, is a professional baseball winter league based in Northern Mexico. The ten-team regular season schedule run ...
,
Puerto Rican Professional Baseball League Puerto, a Spanish word meaning ''seaport'', may refer to: Places * El Puerto de Santa María, Andalusia, Spain *Puerto, a seaport town in Cagayan de Oro City, Philippines * Puerto Colombia, Colombia * Puerto Cumarebo, Venezuela * Puerto Galera, O ...
, and
Venezuelan Professional Baseball League The Venezuelan Professional Baseball League or Liga Venezolana de Béisbol Profesional (LVBP) is the professional baseball league in Venezuela. The league's champion takes part in the Caribbean Series each year. History Early years Baseball exp ...
. In Asia, South Korea (1982), Taiwan (1990) and China (2003) all have professional leagues. The English football club,
Aston Villa Aston Villa Football Club is a professional football club based in Aston, Birmingham, England. The club competes in the , the top tier of the English football league system. Founded in 1874, they have played at their home ground, Villa Park ...
, were the first British baseball champions winning the
1890 National League of Baseball of Great Britain The 1890 National League of Baseball of Great Britain was the first, and to date only, professional baseball championship for the national baseball title of Great Britain. The National League's headquarters were located at 38 Holborn Viaduct, Londo ...
. The 2020
National Champions National champions are corporations which are technically private businesses but due to governmental policy are ceded a dominant position in a national economy. In this system, these large organizations are expected not only to seek profit but als ...
were the
London Mets The London Meteorites, better known as the London Mets, are a British baseball team who play in the southern section of the BBF National League. History The club began as an adult softball team in 1988 and were initially called the London Milli ...
. Other European countries have seen professional leagues; the most successful, other than the Dutch league, is the
Italian league The Italic League or Most Holy League was an international agreement concluded in Venice on 30 August 1454, between the Papal States, the Republic of Venice, the Duchy of Milan, the Republic of Florence, and the Kingdom of Naples, following the Tr ...
, founded in 1948. In 2004, Australia won a surprise silver medal at the
Olympic Games The modern Olympic Games or Olympics (french: link=no, Jeux olympiques) are the leading international sporting events featuring summer and winter sports competitions in which thousands of athletes from around the world participate in a var ...
. The Confédération Européene de Baseball (European Baseball Confederation), founded in 1953, organizes a number of competitions between clubs from different countries. Other competitions between national teams, such as the
Baseball World Cup The Baseball World Cup was an international tournament where national baseball teams from around the world competed. It was sanctioned by the International Baseball Federation (IBAF). Along with the World Baseball Classic, it was one of two activ ...
and the Olympic baseball tournament, were administered by the
International Baseball Federation The International Baseball Federation (IBAF; Spanish: ''Federación Internacional de Béisbol'', French: ''Fédération internationale de baseball'') is the former worldwide governing body recognized by the International Olympic Committee as ove ...
(IBAF) from its formation in 1938 until its 2013 merger with the
International Softball Federation Map of member states., 400px, right The International Softball Federation (ISF) is the international governing body for the sport of softball with its world headquarters and training centre at Plant City, Florida. The ISF is a non-profit corporat ...
to create the current joint governing body for both sports, the
World Baseball Softball Confederation World Baseball Softball Confederation (WBSC; french: Confédération internationale de baseball et softball) is the world governing body for the sports of baseball, softball, and Baseball5. It was established in 2013 by the merger of the Inter ...
(WBSC).
Women's baseball Women's baseball is played in several countries. The strongest and most organized women's baseball leagues are in the United States, Australia, Japan, Taiwan, Cuba, Hong Kong, and Canada. Those countries have national governing bodies that suppor ...
is played on an organized amateur basis in numerous countries. After being admitted to the Olympics as a medal sport beginning with the 1992 Games, baseball was dropped from the 2012 Summer Olympic Games at the 2005
International Olympic Committee The International Olympic Committee (IOC; french: link=no, Comité international olympique, ''CIO'') is a non-governmental sports organisation based in Lausanne, Switzerland. It is constituted in the form of an association under the Swiss ...
meeting A meeting is when two or more people come together to discuss one or more topics, often in a formal or business setting, but meetings also occur in a variety of other environments. Meetings can be used as form of group decision making. Defini ...
. It remained part of the 2008 Games. While the sport's lack of a following in much of the world was a factor, more important was MLB's reluctance to allow its players to participate during the major league season. MLB initiated the
World Baseball Classic The World Baseball Classic (WBC) is an international baseball tournament sanctioned from 2006 to 2013 by the International Baseball Federation (IBAF) and after 2013 by World Baseball Softball Confederation (WBSC) in partnership with Major Leagu ...
, scheduled to precede its season, partly as a replacement, high-profile international tournament. The inaugural Classic, held in March 2006, was the first tournament involving national teams to feature a significant number of MLB participants. The Baseball World Cup was discontinued after its 2011 edition in favor of an expanded World Baseball Classic.


Distinctive elements

Baseball has certain attributes that set it apart from the other popular team sports in the countries where it has a following. All of these sports use a clock, play is less individual,Mandelbaum (2005), pp. 55–57. and the variation between playing fields is not as substantial or important. The
comparison between cricket and baseball Baseball and cricket are the best-known members of a family of related bat-and-ball games. Both have fields that are or more in diameter between their furthest endpoints, offensive players who can hit a thrown/"bowled" ball out of the field and ...
demonstrates that many of baseball's distinctive elements are shared in various ways with its cousin sports.


No clock to kill

In clock-limited sports, games often end with a team that holds the lead
killing the clock In sports, running out the clock (also known as running down the clock, stonewalling, killing the clock, chewing the clock, stalling, time-wasting (or timewasting) or eating clock) is the practice of a winning team allowing the clock to expire thr ...
rather than competing aggressively against the opposing team. In contrast, baseball has no clock, thus a team cannot win without getting the last batter out and rallies are not constrained by time. At almost any turn in any baseball game, the most advantageous strategy is some form of aggressive strategy. Whereas, in the case of multi-day
Test Test(s), testing, or TEST may refer to: * Test (assessment), an educational assessment intended to measure the respondents' knowledge or other abilities Arts and entertainment * ''Test'' (2013 film), an American film * ''Test'' (2014 film), ...
and
first-class cricket First-class cricket, along with List A cricket and Twenty20 cricket, is one of the highest-standard forms of cricket. A first-class match is one of three or more days' scheduled duration between two sides of eleven players each and is officiall ...
, the possibility of a
draw Draw, drawing, draws, or drawn may refer to: Common uses * Draw (terrain), a terrain feature formed by two parallel ridges or spurs with low ground in between them * Drawing (manufacturing), a process where metal, glass, or plastic or anything ...
(which occurs because of the restrictions on time, which like in baseball, originally did not exist) often encourages a team that is batting last and well behind, to bat defensively and run out the clock, giving up any faint chance at a win, to avoid an overall loss. While nine innings has been the standard since the beginning of professional baseball, the duration of the average major league game has increased steadily through the years. At the turn of the 20th century, games typically took an hour and a half to play. In the 1920s, they averaged just less than two hours, which eventually ballooned to 2:38 in 1960. By 1997, the average American League game lasted 2:57 (National League games were about 10 minutes shorter—pitchers at the plate making for quicker outs than designated hitters). In 2004, Major League Baseball declared that its goal was an average game of 2:45. By 2014, though, the average MLB game took over three hours to complete. The lengthening of games is attributed to longer breaks between half-innings for television commercials, increased offense, more pitching changes, and a slower pace of play, with pitchers taking more time between each delivery, and batters stepping out of the box more frequently. Other leagues have experienced similar issues. In 2008,
Nippon Professional Baseball or NPB is the highest level of baseball in Japan. Locally, it is often called , meaning ''Professional Baseball''. Outside Japan, it is often just referred to as "Japanese baseball". The roots of the league can be traced back to the formation ...
took steps aimed at shortening games by 12 minutes from the preceding decade's average of 3:18. In 2016, the average nine-inning playoff game in Major League baseball was 3 hours and 35 minutes. This was up 10 minutes from 2015 and 21 minutes from 2014.


Individual focus

Although baseball is a team sport, individual players are often placed under scrutiny and pressure. While rewarding, it has sometimes been described as "ruthless" due to the pressure on the individual player. In 1915, a baseball instructional manual pointed out that every single pitch, of which there are often more than two hundred in a game, involves an individual, one-on-one contest: "the pitcher and the batter in a battle of wits". Pitcher, batter, and fielder all act essentially independent of each other. While coaching staffs can signal pitcher or batter to pursue certain tactics, the execution of the play itself is a series of solitary acts. If the batter hits a line drive, the outfielder is solely responsible for deciding to try to catch it or play it on the bounce and for succeeding or failing. The statistical precision of baseball is both facilitated by this isolation and reinforces it. Cricket is more similar to baseball than many other team sports in this regard: while the individual focus in cricket is mitigated by the importance of the batting partnership and the practicalities of tandem running, it is enhanced by the fact that a batsman may occupy the
wicket In cricket, the term wicket has several meanings: * It is one of the two sets of three stumps and two bails at either end of the pitch. The fielding team's players can hit the wicket with the ball in a number of ways to get a batsman out. ...
for an hour or much more. There is no statistical equivalent in cricket for the fielding error and thus less emphasis on personal responsibility in this area of play.


Uniqueness of parks

Unlike those of most sports, baseball playing fields can vary significantly in size and shape. While the dimensions of the infield are specifically regulated, the only constraint on outfield size and shape for professional teams, following the rules of MLB and Minor League Baseball, is that fields built or remodeled since June 1, 1958, must have a minimum distance of from home plate to the fences in left and right field and to center. Major league teams often skirt even this rule. For example, at
Minute Maid Park Minute Maid Park is a retractable roof stadium in Houston, Texas, United States. It opened in 2000 as the home ballpark of Major League Baseball's Houston Astros. It has a seating capacity of 41,168, which includes 5,197 club seats and 63 ...
, which became the home of the
Houston Astros The Houston Astros are an American professional baseball team based in Houston, Texas. The Astros compete in Major League Baseball (MLB) as a member club of the American League (AL) West division, having moved to the division in 2013 after ...
in 2000, the
Crawford Boxes Minute Maid Park is a retractable roof stadium in Houston, Texas, United States. It opened in 2000 as the home ballpark of Major League Baseball's Houston Astros. It has a seating capacity of 41,168, which includes 5,197 club seats and 63 luxu ...
in left field are only from home plate. There are no rules at all that address the height of fences or other structures at the edge of the outfield. The most famously idiosyncratic outfield boundary is the left-field wall at Boston's
Fenway Park Fenway Park is a baseball stadium located in Boston, Massachusetts, United States, near Kenmore Square. Since 1912, it has been the home of the Boston Red Sox, the city's American League baseball team, and since 1953, its only Major League Base ...
, in use since 1912: the
Green Monster The Green Monster is a popular nickname for the left field wall at Fenway Park, home to the Boston Red Sox of Major League Baseball. The wall is from home plate and is a popular target for right-handed hitters. Overview The wall was part ...
is from home plate down the line and tall. Similarly, there are no regulations at all concerning the dimensions of foul territory. Thus a foul fly ball may be entirely out of play in a park with little space between the foul lines and the stands, but a foulout in a park with more expansive foul ground. A fence in foul territory that is close to the outfield line will tend to direct balls that strike it back toward the fielders, while one that is farther away may actually prompt more collisions, as outfielders run full speed to field balls deep in the corner. These variations can make the difference between a double and a triple or
inside-the-park home run In baseball, an inside-the-park home run is a play where a batter hits a home run without hitting the ball out of the field of play. It is also known as an "inside-the-parker", "in-the-park home run", or "in-the-park homer". Discussion To score a ...
. The surface of the field is also unregulated. While the adjacent image shows a traditional field surfacing arrangement (and the one used by virtually all MLB teams with naturally surfaced fields), teams are free to decide what areas will be grassed or bare. Some fields—including several in MLB—use an artificial surface, such as
AstroTurf AstroTurf is an American subsidiary of SportGroup that produces artificial turf for playing surfaces in sports. The original AstroTurf product was a short-pile synthetic turf invented in 1965 by Monsanto. Since the early 2000s, AstroTurf has m ...
. Surface variations can have a significant effect on how ground balls behave and are fielded as well as on baserunning. Similarly, the presence of a roof (seven major league teams play in stadiums with permanent or retractable roofs) can greatly affect how fly balls are played. While football and soccer players deal with similar variations of field surface and stadium covering, the size and shape of their fields are much more standardized. The area out-of-bounds on a football or soccer field does not affect play the way foul territory in baseball does, so variations in that regard are largely insignificant. These physical variations create a distinctive set of playing conditions at each ballpark. Other local factors, such as altitude and climate, can also significantly affect play. A given stadium may acquire a reputation as a pitcher's park or a hitter's park, if one or the other discipline notably benefits from its unique mix of elements. The most exceptional park in this regard is
Coors Field Coors Field is a baseball stadium in downtown Denver, Colorado. It is the home field of Major League Baseball's Colorado Rockies. Opened in 1995, the park is located in Denver's Lower Downtown neighborhood, two blocks from Union Station. The ...
, home of the
Colorado Rockies The Colorado Rockies are an American professional baseball team based in Denver. The Rockies compete in Major League Baseball (MLB) as a member club of the National League (NL) West division. The team plays its home baseball games at Coors Fie ...
. Its high altitude— above sea level—is partly responsible for giving it the strongest hitter's park effect in the major leagues due to the low air pressure.
Wrigley Field Wrigley Field is a Major League Baseball (MLB) stadium on the North Side of Chicago, Illinois. It is the home of the Chicago Cubs, one of the city's two MLB franchises. It first opened in 1914 as Weeghman Park for Charles Weeghman's Chicago Wh ...
, home of the Chicago Cubs, is known for its fickle disposition: a pitcher's park when the strong winds off
Lake Michigan Lake Michigan is one of the five Great Lakes of North America. It is the second-largest of the Great Lakes by volume () and the third-largest by surface area (), after Lake Superior and Lake Huron. To the east, its basin is conjoined with that o ...
are blowing in, it becomes more of a hitter's park when they are blowing out. The absence of a standardized field affects not only how particular games play out, but the nature of team rosters and players' statistical records. For example, hitting a fly ball into right field might result in an easy catch on the
warning track The warning track is the part of the baseball field that is closest to the wall or fence and is made of a different material than the field. Common materials for the warning track include dirt or rubber; it should always be of a different material ...
at one park, and a home run at another. A team that plays in a park with a relatively short right field, such as the
New York Yankees The New York Yankees are an American professional baseball team based in the Boroughs of New York City, New York City borough of the Bronx. The Yankees compete in Major League Baseball (MLB) as a member club of the American League (AL) Amer ...
, will tend to stock its roster with left-handed
pull hitter In baseball, a pull hitter is a batter who usually hits the ball to the side of the field from which he bats. For example, a right-handed pull hitter, who bats from the left side of the plate, will usually hit the ball to the left side of the fie ...
s, who can best exploit it. On the individual level, a player who spends most of his career with a team that plays in a hitter's park will gain an advantage in batting statistics over time—even more so if his talents are especially suited to the park.


Statistics

Organized baseball lends itself to
statistics Statistics (from German language, German: ''wikt:Statistik#German, Statistik'', "description of a State (polity), state, a country") is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of ...
to a greater degree than many other sports. Each play is discrete and has a relatively small number of possible outcomes. In the late 19th century, a former cricket player, English-born Henry Chadwick of
Brooklyn Brooklyn () is a borough of New York City, coextensive with Kings County, in the U.S. state of New York. Kings County is the most populous county in the State of New York, and the second-most densely populated county in the United States, be ...
, was responsible for the "development of the
box score A box score is a structured summary of the results from a sport competition. The box score lists the game score as well as individual and team achievements in the game. Among the sports in which box scores are common are baseball, basketball, ...
, tabular standings, the annual baseball guide, the
batting average Batting average is a statistic in cricket, baseball, and softball that measures the performance of batters. The development of the baseball statistic was influenced by the cricket statistic. Cricket In cricket, a player's batting average is ...
, and most of the common statistics and tables used to describe baseball."Tygiel (2000), p. 16. The statistical record is so central to the game's "historical essence" that Chadwick came to be known as Father Baseball. In the 1920s, American newspapers began devoting more and more attention to baseball statistics, initiating what journalist and historian
Alan Schwarz Alan Schwarz (born July 3, 1968) is a Pulitzer Prize-nominated writer and author, formerly at ''The New York Times'', best known for writing more than 100 articles that exposed the National Football League's cover-up of concussions and brought the ...
describes as a "tectonic shift in sports, as intrigue that once focused mostly on teams began to go to individual players and their statistics lines." The Official Baseball Rules administered by MLB require the
official scorer In the game of baseball, the official scorer is a person appointed by the league to record the events on the field, and to send the official scoring record of the game back to the league offices. In addition to recording the events on the field ...
to categorize each baseball play unambiguously. The rules provide detailed criteria to promote consistency. The score report is the official basis for both the box score of the game and the relevant statistical records. General managers, managers, and
baseball scouts Baseball is a bat-and-ball sport played between two teams of nine players each, taking turns batting and fielding. The game occurs over the course of several plays, with each play generally beginning when a player on the fielding tea ...
use statistics to evaluate players and make strategic decisions. Certain traditional statistics are familiar to most baseball fans. The basic batting statistics include: *
At bat In baseball, an at bat (AB) or time at bat is a batter's turn batting against a pitcher. An at bat is different from a plate appearance. A batter is credited with a plate appearance regardless of what happens during their turn at bat, but a batt ...
s: plate appearances, excluding walks and
hit by pitch In baseball, hit by pitch (HBP) is an event in which a batter or his clothing or equipment (other than his bat) is struck directly by a pitch from the pitcher; the batter is called a hit batsman (HB). A hit batsman is awarded first base, provided ...
es—where the batter's ability is not fully tested—and sacrifices and sacrifice flies—where the batter intentionally makes an out in order to advance one or more baserunners * Hits: times a base is reached safely, because of a batted, fair ball without a fielding error or
fielder's choice In baseball, fielder's choice (abbreviated FC) refers to a variety of plays involving an offensive player reaching a base due to the defense's attempt to put out another baserunner, or the defensive team's indifference to his advance. Fielder's cho ...
* Runs: times circling the bases and reaching home safely *
Runs batted in A run batted in (RBI; plural RBIs ) is a statistic in baseball and softball that credits a batter for making a play that allows a run to be scored (except in certain situations such as when an error is made on the play). For example, if the bat ...
(RBIs): number of runners who scored due to a batter's action (including the batter, in the case of a home run), except when batter grounded into double play or reached on an error * Home runs: hits on which the batter successfully touched all four bases, without the contribution of a fielding error *
Batting average Batting average is a statistic in cricket, baseball, and softball that measures the performance of batters. The development of the baseball statistic was influenced by the cricket statistic. Cricket In cricket, a player's batting average is ...
: hits divided by at bats—the traditional measure of batting ability The basic baserunning statistics include: * Stolen bases: times advancing to the next base entirely due to the runner's own efforts, generally while the pitcher is preparing to deliver or delivering the ball * Caught stealing: times tagged out while attempting to steal a base The basic pitching statistics include: * Wins: credited to pitcher on winning team who last pitched before the team took a lead that it never relinquished (a starting pitcher must pitch at least five innings to qualify for a win) * Losses: charged to pitcher on losing team who was pitching when the opposing team took a lead that it never relinquished * Saves: games where the pitcher enters a game led by the pitcher's team, finishes the game without surrendering the lead, is not the winning pitcher, and either (a) the lead was three runs or less when the pitcher entered the game; (b) the potential tying run was on base, at bat, or on deck; or (c) the pitcher pitched three or more innings *
Innings pitched In baseball, innings pitched (IP) are the number of innings a pitcher has completed, measured by the number of batters and baserunners that are put out while the pitcher is on the pitching mound in a game. Three outs made is equal to one innin ...
: outs recorded while pitching divided by three (partial innings are conventionally recorded as, e.g., "5.2" or "7.1", the last digit actually representing thirds, not tenths, of an inning) * Strikeouts: times pitching three strikes to a batter *
Winning percentage In sports, a winning percentage is the fraction of games or matches a team or individual has won. The statistic is commonly used in standings or rankings to compare teams or individuals. It is defined as wins divided by the total number of match ...
: wins divided by decisions (wins plus losses) *
Earned run average In baseball statistics, earned run average (ERA) is the average of earned runs allowed by a pitcher per nine innings pitched (i.e. the traditional length of a game). It is determined by dividing the number of earned runs allowed by the number ...
(ERA): runs allowed, excluding those resulting from fielding errors, per nine innings pitched The basic fielding statistics include: *
Putout In baseball statistics, a putout (denoted by ''PO'' or ''fly out'' when appropriate) is awarded to a defensive player who (generally while in secure possession of the ball) records an out by one of the following methods: * Tagging a runner wit ...
s: times the fielder catches a fly ball, tags or forces out a runner, or otherwise directly effects an out * Assists: times a putout by another fielder was recorded following the fielder touching the ball * Errors: times the fielder fails to make a play that should have been made with common effort, and the batting team benefits as a result *
Total chances In baseball statistics, total chances (TC), also called ''chances offered'', represents the number of plays in which a defensive player has participated. It is the sum of putouts plus assists plus errors. ''Chances accepted'' refers to the total ...
: putouts plus assists plus errors *
Fielding average In baseball statistics, fielding percentage, also known as fielding average, is a measure that reflects the percentage of times a defensive player properly handles a batted or thrown ball. It is calculated by the sum of putouts and assists, divi ...
: successful chances (putouts plus assists) divided by total chances Among the many other statistics that are kept are those collectively known as ''situational statistics''. For example, statistics can indicate which specific pitchers a certain batter performs best against. If a given situation statistically favors a certain batter, the manager of the fielding team may be more likely to change pitchers or have the pitcher intentionally walk the batter in order to face one who is less likely to succeed.


Sabermetrics

Sabermetrics Sabermetrics, or originally SABRmetrics, is the empirical analysis of baseball, especially baseball statistics that measure in-game activity. Sabermetricians collect and summarize the relevant data from this in-game activity to answer specific ques ...
refers to the field of baseball statistical study and the development of new statistics and analytical tools. The term is also used to refer directly to new statistics themselves. The term was coined around 1980 by one of the field's leading proponents,
Bill James George William James (born October 5, 1949) is an American baseball writer, historian, and statistician whose work has been widely influential. Since 1977, James has written more than two dozen books devoted to baseball history and statistics. ...
, and derives from the
Society for American Baseball Research The Society for American Baseball Research (SABR) is a membership organization dedicated to fostering the research and dissemination of the history and record of baseball primarily through the use of statistics. Established in Cooperstown, New ...
(SABR). The growing popularity of sabermetrics since the early 1980s has brought more attention to two batting statistics that sabermetricians argue are much better gauges of a batter's skill than batting average: *
On-base percentage In baseball statistics, on-base percentage (OBP) measures how frequently a batter reaches base. An official Major League Baseball (MLB) statistic since 1984, it is sometimes referred to as on-base average (OBA), as it is rarely presented as a ...
(OBP) measures a batter's ability to get on base. It is calculated by taking the sum of the batter's successes in getting on base (hits plus walks plus hit by pitches) and dividing that by the batter's total plate appearances (at bats plus walks plus hit by pitches plus sacrifice flies), except for sacrifice bunts. *
Slugging percentage In baseball statistics, slugging percentage (SLG) is a measure of the batting productivity of a hitter. It is calculated as total bases divided by at bats, through the following formula, where ''AB'' is the number of at bats for a given player, ...
(SLG) measures a batter's ability to hit for power. It is calculated by taking the batter's
total bases In baseball statistics, total bases is the number of bases a player gains with hits. It is a weighted sum with values of 1 for a single, 2 for a double, 3 for a triple and 4 for a home run. For example, three singles is three total bases, while ...
(one per each single, two per double, three per triple, and four per home run) and dividing that by the batter's at bats. Some of the new statistics devised by sabermetricians have gained wide use: *
On-base plus slugging On-base plus slugging (OPS) is a sabermetric baseball statistic calculated as the sum of a player's on-base percentage and slugging percentage. The ability of a player both to get on base and to hit for power, two important offensive skills, are ...
(OPS) measures a batter's overall ability. It is calculated by adding the batter's on-base percentage and slugging percentage. *
Walks plus hits per inning pitched In baseball statistics, walks plus hits per inning pitched (WHIP) is a sabermetric measurement of the number of baserunners a pitcher has allowed per inning pitched. WHIP is calculated by adding the number of walks and hits allowed and dividi ...
(WHIP) measures a pitcher's ability at preventing hitters from reaching base. It is calculated by adding the number of walks and hits a pitcher surrendered, then dividing by the number of innings pitched. *
Wins Above Replacement Wins Above Replacement or Wins Above Replacement Player, commonly abbreviated to WAR or WARP, is a non-standardized sabermetric baseball statistic developed to sum up "a player's total contributions to his team". A player's WAR value is claimed to ...
(WAR) measures number of additional wins his team has achieved above the number of expected team wins if that player were substituted with a
replacement-level player R rabbit ears :Indicates a participant in the game who hears things perhaps too well for their own good. A player who becomes nervous or chokes when opposing players or fans yell at or razz them is said to have rabbit ears. Also, an umpire ...
.


Popularity and cultural impact

Writing in 1919, philosopher
Morris Raphael Cohen Morris Raphael Cohen ( be, Мо́рыс Рафаэ́ль Ко́эн; July 25, 1880 – January 28, 1947) was an American philosopher, lawyer, and legal scholar who united pragmatism with logical positivism and linguistic analysis. This union coale ...
described baseball as the national religion of the US. In the words of sports columnist
Jayson Stark Jayson Stark (born July 19, 1951) is an American sportswriter and author who covers baseball for ''The Athletic''. He is most known for his time with ''The Philadelphia Inquirer'' and ESPN. Biography Stark grew up in Northeast Philadelphia and ...
, baseball has long been "a unique paragon of American culture"—a status he sees as devastated by the steroid abuse scandal. Baseball has an important place in other national cultures as well: Scholar Peter Bjarkman describes "how deeply the sport is ingrained in the history and culture of a nation such as Cuba, ndhow thoroughly it was radically reshaped and nativized in Japan."


In the United States

The major league game in the United States was originally targeted toward a middle-class, white-collar audience: relative to other spectator pastimes, the National League's set ticket price of 50 cents in 1876 was high, while the location of playing fields outside the inner city and the workweek daytime scheduling of games were also obstacles to a blue-collar audience. A century later, the situation was very different. With the rise in popularity of other team sports with much higher average ticket prices—football, basketball, and hockey—professional baseball had become among the most blue-collar-oriented of leading American spectator sports. Overall, baseball has a large following in the United States; a 2006 poll found that nearly half of Americans are fans. In the late 1900s and early 2000s, baseball's position compared to football in the United States moved in contradictory directions. In 2008, MLB set a revenue record of $6.5 billion, matching the NFL's revenue for the first time in decades. A new MLB revenue record of more than $10 billion was set in 2017. On the other hand, the percentage of American sports fans polled who named baseball as their favorite sport was 9%, compared to pro football at 37%. In 1985, the respective figures were pro football 24%, baseball 23%. Because there are so many more major league games played, there is no comparison in overall attendance. In 2008, total attendance at major league games was the second-highest in history: 78.6 million, 0.7% off the record set the previous year. The following year, amid the U.S. recession, attendance fell by 6.6% to 73.4 million. Eight years later, it dropped under 73 million. Attendance at games held under the Minor League Baseball umbrella set a record in 2008, with 43.3 million. While MLB games have not drawn the same national TV viewership as football games, MLB games are dominant in teams' local markets and regularly lead all programs in
primetime Prime time or the peak time is the block of broadcast programming taking place during the middle of the evening for a television show. It is mostly targeted towards adults (and sometimes families). It is used by the major television networks to ...
in their markets during the summer.


Caribbean

Since the early 1980s, the Dominican Republic, in particular the city of
San Pedro de Macorís San Pedro de Macorís is a city and Municipalities of the Dominican Republic, municipality (''municipio'') in the Dominican Republic and the capital of the San Pedro de Macorís Province, San Pedro de Macorís province in the east region of the ...
, has been the major leagues' primary source of foreign talent. In 2017, 83 of the 868 players on MLB Opening Day rosters (and disabled lists) were from the country. Among other Caribbean countries and territories, a combined 97 MLB players were born in Venezuela, Cuba, and Puerto Rico. Hall-of-Famer
Roberto Clemente Roberto Enrique Clemente Walker (; August 18, 1934 – December 31, 1972) was a Puerto Rican professional baseball right fielder who played 18 seasons in Major League Baseball (MLB) for the Pittsburgh Pirates. After his early death, he was pos ...
remains one of the greatest national heroes in Puerto Rico's history. While baseball has long been the island's primary athletic pastime, its once well-attended professional winter league has declined in popularity since 1990, when young Puerto Rican players began to be included in the major leagues' annual first-year player draft. In Cuba, where baseball is by every reckoning the national sport, the national team overshadows the city and provincial teams that play in the top-level domestic leagues.


Asia

In Asia, baseball is among the most popular sports in Japan and South Korea. In Japan, where baseball is inarguably the leading spectator team sport, combined revenue for the twelve teams in Nippon Professional Baseball (NPB), the body that oversees both the Central and Pacific Leagues, was estimated at $1 billion in 2007. Total NPB attendance for the year was approximately 20 million. While in the preceding two decades, MLB attendance grew by 50 percent and revenue nearly tripled, the comparable NPB figures were stagnant. There are concerns that MLB's growing interest in acquiring star Japanese players will hurt the game in their home country. Revenue figures are not released for the country's amateur system. Similarly, according to one official pronouncement, the sport's governing authority "has never taken into account attendance ... because its greatest interest has always been the development of athletes". In Taiwan, baseball is one of the most widely spectated sports, with the origins dating back to Japanese rule.


Among children

, Little League Baseball oversees leagues with close to 2.4 million participants in over 80 countries. The number of players has fallen since the 1990s, when 3 million children took part in Little League Baseball annually. Babe Ruth League teams have over 1 million participants. According to the president of the International Baseball Federation, between 300,000 and 500,000 women and girls play baseball around the world, including Little League and the introductory game of
Tee Ball Tee-ball (also teeball, tee ball or T-ball) is a team sport based on a simplified form of baseball or softball. It is intended as an introduction for children aged 4 to 6 to develop ball-game skills and have fun. Description Tee-ball association ...
. A varsity baseball team is an established part of
physical education Physical education, often abbreviated to Phys Ed. or P.E., is a subject taught in schools around the world. It is usually taught during primary and secondary education, and encourages psychomotor learning by using a play and movement explorati ...
departments at most high schools and colleges in the United States. In 2015, nearly half a million high schoolers and over 34,000 collegians played on their schools' baseball teams. By early in the 20th century, intercollegiate baseball was Japan's leading sport. Today,
high school baseball High may refer to: Science and technology * Height * High (atmospheric), a high-pressure area * High (computability), a quality of a Turing degree, in computability theory * High (tectonics), in geology an area where relative tectonic uplift to ...
in particular is immensely popular there. The final rounds of the two annual tournaments—the
National High School Baseball Invitational Tournament The National High School Baseball Invitational Tournament (選抜高等学校野球大会 ''senbatsu kōtō gakkō yakyū taikai'') of Japan, commonly known as "Spring Kōshien" (春の甲子園 ''haru no kōshien'') or "Senbatsu" (センバツ ...
in the spring, and the even more important
National High School Baseball Championship The of Japan, commonly known as , is an annual nationwide high school baseball tournament. It is the largest scale amateur sport event in Japan. The tournament, organized by the Japan High School Baseball Federation and ''Asahi Shimbun'', t ...
in the summer—are broadcast around the country. The tournaments are known, respectively, as Spring Koshien and Summer Koshien after the 55,000-capacity stadium where they are played. In Cuba, baseball is a mandatory part of the state system of physical education, which begins at age six. Talented children as young as seven are sent to special district schools for more intensive training—the first step on a ladder whose acme is the national baseball team.


In popular culture

Baseball has had a broad impact on popular culture, both in the United States and elsewhere. Dozens of English-language idioms have been derived from baseball; in particular, the game is the source of a number of widely used
sexual euphemisms A euphemism () is an innocuous word or expression used in place of one that is deemed offensive or suggests something unpleasant. Some euphemisms are intended to amuse, while others use bland, inoffensive terms for concepts that the user wishes ...
. The first networked radio broadcasts in North America were of the
1922 World Series The 1922 World Series was the championship series in Major League Baseball for the 1922 season. The 19th edition of the World Series, it matched the National League champion New York Giants against the American League champion New York Yankees. ...
: famed sportswriter
Grantland Rice Henry Grantland "Granny" Rice (November 1, 1880July 13, 1954) was an early 20th-century American sportswriter known for his elegant prose. His writing was published in newspapers around the country and broadcast on the radio. Early years Rice wa ...
announced
play-by-play In sports broadcasting, a sports commentator (also known as sports announcer or sportscaster) provides a real-time commentary of a game or event, usually during a live broadcast, traditionally delivered in the historical present tense. Radio was ...
from New York City's
Polo Grounds The Polo Grounds was the name of three stadiums in Upper Manhattan, New York City, used mainly for professional baseball and American football from 1880 through 1963. The original Polo Grounds, opened in 1876 and demolished in 1889, was built fo ...
on WJZ
Newark, New Jersey Newark ( , ) is the most populous city in the U.S. state of New Jersey and the seat of Essex County and the second largest city within the New York metropolitan area.WGY
Schenectady, New York Schenectady () is a city in Schenectady County, New York, United States, of which it is the county seat. As of the 2020 census, the city's population of 67,047 made it the state's ninth-largest city by population. The city is in eastern New Y ...
, and WBZ
Springfield, Massachusetts Springfield is a city in the Commonwealth of Massachusetts, United States, and the seat of Hampden County. Springfield sits on the eastern bank of the Connecticut River near its confluence with three rivers: the western Westfield River, the ...
. The
baseball cap A baseball cap is a type of soft hat with a rounded crown and a stiff bill projecting in front. The front of the hat typically displays a design or a logo (historically, usually only a sports team, namely a baseball team, or names of relevant co ...
has become a ubiquitous fashion item not only in the United States and Japan, but also in countries where the sport itself is not particularly popular, such as the United Kingdom. Baseball has inspired many works of art and entertainment. One of the first major examples,
Ernest Thayer Ernest Lawrence Thayer (; August 14, 1863 – August 21, 1940) was an American writer and poet who wrote the poem "Casey" (or "Casey at the Bat"), which is "the single most famous baseball poem ever written" according to the Baseball Almanac, and ...
's poem "
Casey at the Bat Casey at the Bat is a poem written in 1888 by Ernest Thayer. Casey at the Bat may also refer to: * ''Casey at the Bat'' (1916 film), a film based on the poem * ''Casey at the Bat'' (1927 film), a film based on the poem * ''Casey at the Bat'', a ...
", appeared in 1888. A wry description of the failure of a star player in what would now be called a "clutch situation", the poem became the source of
vaudeville Vaudeville (; ) is a theatrical genre of variety entertainment born in France at the end of the 19th century. A vaudeville was originally a comedy without psychological or moral intentions, based on a comical situation: a dramatic composition ...
and other staged performances, audio recordings, film adaptations, and an opera, as well as a host of sequels and parodies in various media. There have been many
baseball movie This is a list of films about baseball, featuring notable films where baseball plays a central role in the development of the plot. See also * List of sports films * List of highest-grossing sports films References {{Sports films Baseball ...
s, including the
Academy Award The Academy Awards, better known as the Oscars, are awards for artistic and technical merit for the American and international film industry. The awards are regarded by many as the most prestigious, significant awards in the entertainment ind ...
–winning ''
The Pride of the Yankees ''The Pride of the Yankees'' is a 1942 American film produced by Samuel Goldwyn, directed by Sam Wood, and starring Gary Cooper, Teresa Wright, and Walter Brennan. It is a tribute to the legendary New York Yankees first baseman Lou Gehrig, who die ...
'' (1942) and the Oscar nominees ''
The Natural ''The Natural'' is a 1952 novel about baseball by Bernard Malamud, and is his debut novel. The story follows Roy Hobbs, a baseball prodigy whose career is sidetracked after being shot by a woman whose motivation remains mysterious. The story mo ...
'' (1984) and ''
Field of Dreams ''Field of Dreams'' is a 1989 American sports fantasy drama film written and directed by Phil Alden Robinson, based on Canadian novelist W. P. Kinsella's 1982 novel '' Shoeless Joe''. The film stars Kevin Costner as a farmer who builds a ...
'' (1989). The
American Film Institute The American Film Institute (AFI) is an American nonprofit film organization that educates filmmakers and honors the heritage of the motion picture arts in the United States. AFI is supported by private funding and public membership fees. Leade ...
's selection of the ten best sports movies includes ''The Pride of the Yankees'' at number 3 and ''
Bull Durham ''Bull Durham'' is a 1988 American romantic comedy sports film. It is partly based upon the minor-league baseball experiences of writer/director Ron Shelton and depicts the players and fans of the Durham Bulls, a minor-league baseball team in ...
'' (1988) at number 5. Baseball has provided thematic material for hits on both stage—the Adler
Ross Ross or ROSS may refer to: People * Clan Ross, a Highland Scottish clan * Ross (name), including a list of people with the surname or given name Ross, as well as the meaning * Earl of Ross, a peerage of Scotland Places * RoSS, the Republic of Sou ...
musical ''
Damn Yankees ''Damn Yankees'' is a 1955 musical comedy with a book by George Abbott and Douglass Wallop, music and lyrics by Richard Adler and Jerry Ross. The story is a modern retelling of the Faust legend set during the 1950s in Washington, D.C., during ...
''—and record—
George J. Gaskin George J. Gaskin (February 1863 – December 14, 1920) was one of the most popular singers in the United States during the 1890s and an early American recording artist. Biography Gaskin was born in Belfast, Ireland, but migrated to the United Sta ...
's "Slide, Kelly, Slide",
Simon and Garfunkel Simon & Garfunkel were an American folk rock duo consisting of the singer-songwriter Paul Simon and the singer Art Garfunkel. They were one of the best-selling music groups of the 1960s, and their biggest hits—including the electric remix of " ...
's "
Mrs. Robinson "Mrs. Robinson" is a song by American music duo Simon & Garfunkel from their fourth studio album, '' Bookends'' (1968). Written specifically for the 1967 film ''The Graduate'', the song was released as a single on April 5, 1968, by Columbia Re ...
", and
John Fogerty John Cameron Fogerty (born May 28, 1945) is an American singer, songwriter and guitarist. Together with Doug Clifford, Stu Cook, and his brother Tom Fogerty Thomas Richard Fogerty (November 9, 1941 – September 6, 1990) was an American mu ...
's " Centerfield". The baseball-inspired comedic sketch "
Who's on First? "Who's on First?" is a comedy routine made famous by American comedy duo Abbott and Costello. The premise of the sketch is that Abbott is identifying the players on a baseball team for Costello. However, the players' names can simultaneously ...
", popularized by
Abbott and Costello Abbott may refer to: People *Abbott (surname) *Abbott Handerson Thayer (1849–1921), American painter and naturalist * Abbott and Costello, famous American vaudeville act Places Argentina * Abbott, Buenos Aires United States * Abbott, Arkansas ...
in 1938, quickly became famous. Six decades later, ''
Time Time is the continued sequence of existence and events that occurs in an apparently irreversible succession from the past, through the present, into the future. It is a component quantity of various measurements used to sequence events, to ...
'' named it the best comedy routine of the 20th century. Literary works connected to the game include the short fiction of
Ring Lardner Ringgold Wilmer Lardner (March 6, 1885 – September 25, 1933) was an American sports columnist and short story writer best known for his satirical writings on sports, marriage, and the theatre. His contemporaries Ernest Hemingway, Virginia Wo ...
and novels such as
Bernard Malamud Bernard Malamud (April 26, 1914 – March 18, 1986) was an American novelist and short story writer. Along with Saul Bellow, Joseph Heller, and Philip Roth, he was one of the best known American Jewish authors of the 20th century. His baseba ...
's ''
The Natural ''The Natural'' is a 1952 novel about baseball by Bernard Malamud, and is his debut novel. The story follows Roy Hobbs, a baseball prodigy whose career is sidetracked after being shot by a woman whose motivation remains mysterious. The story mo ...
'' (the source for the movie),
Robert Coover Robert Lowell Coover (born February 4, 1932) is an American novelist, short story writer, and T.B. Stowell Professor Emeritus in Literary Arts at Brown University. He is generally considered a writer of fabulation and metafiction. Background C ...
's ''
The Universal Baseball Association, Inc., J. Henry Waugh, Prop. ''The Universal Baseball Association, Inc., J. Henry Waugh, Prop.'' is Robert Coover's second novel, published in 1968. Plot summary J. Henry Waugh is an accountant, albeit an unhappy one. However, each night after he comes home from work, Hen ...
'',
John Grisham John Ray Grisham Jr. (; born February 8, 1955 in Jonesboro, Arkansas) is an American novelist, lawyer and former member of the 7th district of the Mississippi House of Representatives, known for his popular legal thrillers. According to the Am ...
's
Calico Joe ''Calico Joe'' is John Grisham's first baseball novel. It was released on April 10, 2012. The book's style mixes fact and fiction - introducing fictional players into well-known actual teams such as the New York Mets and the Chicago Cubs and let ...
and
W. P. Kinsella William Patrick "W. P." Kinsella (May 25, 1935September 16, 2016) was a Canadian novelist and short story writer, known for his novel ''Shoeless Joe'' (1982), which was adapted into the movie ''Field of Dreams'' in 1989. His work often concern ...
's '' Shoeless Joe'' (the source for ''Field of Dreams''). Baseball's literary canon also includes the beat reportage of
Damon Runyon Alfred Damon Runyon (October 4, 1880 – December 10, 1946) was an American newspaperman and short-story writer. He was best known for his short stories celebrating the world of Broadway in New York City that grew out of the Prohibition era. To ...
; the columns of Grantland Rice, Red Smith, Dick Young, and
Peter Gammons Peter Gammons (born April 9, 1945) is an American sportswriter Sports journalism is a form of writing that reports on matters pertaining to sporting topics and competitions. Sports journalism started in the early 1800s when it was targeted ...
; and the essays of
Roger Angell Roger Angell (September 19, 1920 – May 20, 2022) was an American essayist known for his writing on sports, especially baseball. The only writer ever elected into both the American Academy of Arts and Letters and the Baseball Writers' Associa ...
. Among the celebrated nonfiction books in the field are
Lawrence S. Ritter Lawrence Stanley Ritter (May 23, 1922 – February 15, 2004) was an American writer whose specialties were economics and baseball. Ritter was a professor of economics and finance, and chairman of the Department of Finance at the Graduate School ...
's ''
The Glory of Their Times ''The Glory of Their Times: The Story of the Early Days of Baseball Told by the Men Who Played It'' is a 1966 book, edited by Lawrence Ritter, telling the stories of early 20th century baseball. It is widely acclaimed as one of the greatest books ...
'', Roger Kahn's '' The Boys of Summer'', and
Michael Lewis Michael Monroe Lewis (born October 15, 1960) Gale Biography In Context. is an American author and financial journalist. He has also been a contributing editor to '' Vanity Fair'' since 2009, writing mostly on business, finance, and economics. H ...
's '' Moneyball''. The 1970 publication of major league pitcher
Jim Bouton James Alan Bouton (; March 8, 1939 – July 10, 2019) was an American professional baseball player. Bouton played in Major League Baseball (MLB) as a pitcher for the New York Yankees, Seattle Pilots, Houston Astros, and Atlanta Braves between 1 ...
's tell-all chronicle ''
Ball Four ''Ball Four'' is a book written by former Major League Baseball pitcher Jim Bouton (1939-2019) in 1970. The book is a diary of Bouton's 1969 season, spent with the Seattle Pilots and then the Houston Astros following a late-season trade. In ...
'' is considered a turning point in the reporting of professional sports. Baseball has also inspired the creation of new cultural forms.
Baseball card A baseball card is a type of trading card relating to baseball, usually printed on cardboard, silk, or plastic. In the 1950s they came with a stick of gum and a limited number of cards. These cards feature one or more baseball players, teams, stad ...
s were introduced in the late 19th century as
trade card A trade card is a square or rectangular card that is small, but bigger than the modern visiting card, and is exchanged in social circles, that a business distributes to clients and potential customers, as a kind of business card. Trade cards fi ...
s. A typical example featured an image of a baseball player on one side and advertising for a business on the other. In the early 1900s they were produced widely as promotional items by tobacco and confectionery companies. The 1930s saw the popularization of the modern style of baseball card, with a player photograph accompanied on the rear by statistics and biographical data. Baseball cards—many of which are now prized collectibles—are the source of the much broader trading card industry, involving similar products for different sports and non-sports-related fields. Modern
fantasy sports A fantasy sport (also known less commonly as rotisserie or roto) is a game, often played using the Internet, where participants assemble imaginary or virtual teams composed of proxies of real players of a professional sport. These teams compete bas ...
began in 1980 with the invention of
Rotisserie League Baseball Fantasy baseball is a game in which the participants serve as owners and general managers of virtual baseball teams. The competitors select their rosters by participating in a draft in which all relevant Major League Baseball (MLB) players are avai ...
by New York writer
Daniel Okrent Daniel Okrent (born April 2, 1948) is an American writer and editing, editor. He is best known for having served as the first public editor of ''The New York Times'' newspaper, inventing Rotisserie League Baseball, and for writing several books ( ...
and several friends. Participants in a Rotisserie league draft notional teams from the list of active MLB players and play out an entire imaginary season with game outcomes based on the players' latest real-world statistics. Rotisserie-style play quickly became a phenomenon. Now known more generically as
fantasy baseball Fantasy baseball is a game in which the participants serve as owners and general managers of virtual baseball teams. The competitors select their rosters by participating in a draft in which all relevant Major League Baseball (MLB) players are ava ...
, it has inspired similar games based on an array of different sports. The field boomed with increasing Internet access and new fantasy sports-related websites. By 2008, 29.9 million people in the United States and Canada were playing fantasy sports, spending $800 million on the hobby. The burgeoning popularity of fantasy baseball is also credited with the increasing attention paid to sabermetrics—first among fans, only later among baseball professionals.


Derivative games

Informal
variations of baseball Baseball is a bat-and-ball sport that has many recreational variants (sometimes referred to as diamond sports). The major sport most related to baseball is the Olympic discipline of softball, with the two sports being administered internationally ...
have popped up over time, with games like
corkball Corkball is a "mini-baseball" game featuring a ball, which is stitched and resembles a miniature baseball. The bat has a barrel that measures in diameter. Originally played on the streets and alleys of St. Louis, Missouri, as early as 1890, t ...
reflecting local traditions and allowing the game to be played in diverse environments. Two variations of baseball,
softball Softball is a game similar to baseball played with a larger ball on a smaller field. Softball is played competitively at club levels, the college level, and the professional level. The game was first created in 1887 in Chicago by George Hanc ...
and Baseball5, are internationally governed alongside baseball by the
World Baseball Softball Confederation World Baseball Softball Confederation (WBSC; french: Confédération internationale de baseball et softball) is the world governing body for the sports of baseball, softball, and Baseball5. It was established in 2013 by the merger of the Inter ...
.


British baseball

American
professional baseball Professional baseball is organized baseball in which players are selected for their talents and are paid to play for a specific team or club system. It is played in baseball league, leagues and associated farm teams throughout the world. Mod ...
teams toured Britain in 1874 and 1889, and had a great effect on similar sports in Britain. In Wales and Merseyside, a strong community game had already developed with skills and plays more in keeping with the American game and the Welsh began to informally adopt the name "baseball" (Pêl Fas), to reflect the American style. By the 1890s, calls were made to follow the success of other working class sports (like Rugby in Wales and Soccer in Merseyside) and adopt a distinct set of rules and bureaucracy. During the 1892 season rules for the game of "baseball" were agreed and the game was officially codified.


Finnish baseball

Finnish baseball, known as pesäpallo, is a combination of traditional ball-batting team games and North American baseball, invented by Lauri "Tahko" Pihkala in the 1920s. The basic idea of pesäpallo is similar to that of baseball: the offense tries to score by hitting the ball successfully and running through the bases, while the defense tries to put the batter and runners out. One of the most important differences between pesäpallo and baseball is that the ball is pitched vertically, which makes hitting the ball, as well as controlling the power and direction of the hit, much easier. This gives the offensive game more variety, speed, and tactical aspects compared to baseball.


See also

*
Baseball awards Professional baseball leagues, amateur-baseball organizations, sportswriting associations, and other groups confer awards on various baseball teams, players, managers, coaches, executives, broadcasters, writers, and other baseball-related peopl ...
* Baseball clothing and equipment *
List of organized baseball leagues This article contains a list of organized baseball leagues. International competition *Many international baseball events are coordinated by the baseball division of the World Baseball Softball Confederation, including the World Baseball Class ...
*
Women in baseball Women have a long history in American baseball and many women's teams have existed over the years. Baseball was played at women's colleges in New York and New England as early as the mid-nineteenth century; teams were formed at Vassar College, ...


Related sports

* Baseball5, the official ball-only version of baseball * Brännboll (Scandinavian bat-and-ball game) *
Cricket Cricket is a bat-and-ball game played between two teams of eleven players on a field at the centre of which is a pitch with a wicket at each end, each comprising two bails balanced on three stumps. The batting side scores runs by striki ...
**
Comparison of baseball and cricket Baseball and cricket are the best-known members of a family of related bat-and-ball games. Both have fields that are or more in diameter between their furthest endpoints, offensive players who can hit a thrown/"bowled" ball out of the field and ...
*
Lapta (game) Lapta (russian: лапта́) is a Russian bat and ball game first known to be played in the 14th century. Mentions of lapta have been found in medieval manuscripts, and balls and bats were found in the 14th-century layers during excavations in ...
(Russian bat-and-ball game) *
Oină ''Oină'' () is a Romanian traditional sport, similar in many ways to baseball. History The name "oină" was originally "hoina", and is derived from the Cuman word ''oyn'' "game" (a cognate of Turkish ''oyun''). The oldest direct mention come ...
(Romanian bat-and-ball game) *
Pesäpallo Pesäpallo (; sv, boboll, both names literally meaning "nest ball", colloquially known in Finnish as pesis, also referred to as Finnish baseball) is a fast-moving bat-and-ball sport that is often referred to as the national sport of Finland a ...
, also known as Finnish baseball (a demonstration sport at the
1952 Summer Olympics The 1952 Summer Olympics ( fi, Kesäolympialaiset 1952; sv, Olympiska sommarspelen 1952), officially known as the Games of the XV Olympiad ( fi, XV olympiadin kisat; sv, Den XV olympiadens spel) and commonly known as Helsinki 1952 ( sv, Helsin ...
) *
Rounders Rounders is a bat-and-ball game played between two teams. Rounders is a striking and fielding team game that involves hitting a small, hard, leather-cased ball with a rounded end wooden, plastic, or metal bat. The players score by running aroun ...
*
Stickball Stickball is a street game similar to baseball, usually formed as a pick-up game played in large cities in the Northeastern United States, especially New York City and Philadelphia. The equipment consists of a broom handle and a rubber ball, ...
*
Stoop ball Stoop ball (also spelled "stoopball") is a game that is played by throwing a ball against a stoop (stairs leading up to a building) on the pavement in front of a building. Historically, it has been popular in Brooklyn and other inner cities. In B ...
*
Vitilla Vitilla is a popular variation of stickball played primarily in the Dominican Republic and areas in the United States with large Dominican populations. Overview Overall rules and baserunning is roughly similar to basic forms of baseball, but th ...
*
Wiffle ball Wiffle ball, a team sport developed in 1953 in Fairfield, Connecticut, is a scaled back variation of baseball designed for playing in a confined space. The sport is played using a perforated light-weight plastic ball and a long hollow plastic ...


Citations


General and cited sources

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *


Further reading

* Dickson, Paul. ''The Dickson Baseball Dictionary'', 3rd ed. (W. W. Norton, 2009). . * Fitts, Robert K. ''Remembering Japanese Baseball: An Oral History of the Game'' (Southern Illinois University Press, 2005). . * Gillette, Gary, and
Pete Palmer Pete Palmer (born January 30, 1938) is an American sports statistician and encyclopedia editor. He is a major contributor to the applied mathematical field referred to as sabermetrics. Along with the Bill James ''Baseball Abstracts'', Palmer's ...
(eds.). ''The ESPN Baseball Encyclopedia'', 5th ed. (Sterling, 2008). . * Peterson, Robert. ''Only the Ball Was White: A History of Legendary Black Players and All-Black Professional Teams'' (Oxford University Press, 1992
970 Year 970 ( CMLXX) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar, the 970th year of the Common Era (CE) and ''Anno Domini'' designations, the 970th year of the 1st millennium, the 70th yea ...
. . * Reaves, Joseph A. ''Taking in a Game: A History of Baseball in Asia'' (Bison, 2004). . * Ward, Geoffrey C., and
Ken Burns Kenneth Lauren Burns (born July 29, 1953) is an American filmmaker known for his documentary film, documentary films and television series, many of which chronicle United States, American History of the United States, history and Culture of the ...
. ''Baseball: An Illustrated History'' (Alfred A. Knopf, 1996). .


External links


World Baseball Softball Confederation

"Baseball"
''
Encyclopædia Britannica The (Latin for "British Encyclopædia") is a general knowledge English-language encyclopaedia. It is published by Encyclopædia Britannica, Inc.; the company has existed since the 18th century, although it has changed ownership various time ...
'' Online.
Baseball Prospectus

Society for American Baseball Research

Mister Baseball
European baseball news
Baseball Heritage Museum
at
League Park League Park was a baseball park located in Cleveland, Ohio, United States. It was situated at the northeast corner of Dunham Street (now known as East 66th Street) and Lexington Avenue in the Hough, Cleveland, Hough neighborhood. It was built ...
in
Cleveland, Ohio Cleveland ( ), officially the City of Cleveland, is a city in the U.S. state of Ohio and the county seat of Cuyahoga County. Located in the northeastern part of the state, it is situated along the southern shore of Lake Erie, across the U.S. ...
*
Perils of Base Ball Playing
, historical perspective on statistics of baseball injuries, ''
Scientific American ''Scientific American'', informally abbreviated ''SciAm'' or sometimes ''SA'', is an American popular science magazine. Many famous scientists, including Albert Einstein and Nikola Tesla, have contributed articles to it. In print since 1845, it i ...
'', July 13, 1878, p. 21 {{Authority control Baseball terminology 1846 introductions American culture Articles containing video clips Ball and bat games Sports originating in England Sports originating in the United States Summer Olympic sports Team sports Turf sports