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), ...

recognizes the player or players in each league with the most wins each season. 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 the fielding tea ...

, wins are a

statistic A statistic (singular) or sample statistic is any quantity computed from values in a sample which is considered for a statistical purpose. Statistical purposes include estimating a population parameter, describing a sample, or evaluating a hypo ...

used to evaluate

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 ...

s. Credit for a win is given by 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 the pitcher whose team takes and maintains the lead while he is the

pitcher of record 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 a ...

. If a game is tied or if the lead changes to the other team, all pitchers who have participated and exited the game to that point are unable to receive credit for the victory. A

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 ...

is ineligible for the win if he has not completed five or more

innings An innings is one of the divisions of a cricket match during which one team takes its turn to bat. Innings also means the period in which an individual player bats (acts as either striker or nonstriker). Innings, in cricket, and rounders, is bot ...

of the game; instead, the scorer would award the victory to the

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 ...

who was "most effective... in the official scorer's judgment".

History

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 ...

's first win champion was

Albert Spalding Albert Goodwill Spalding (September 2, 1849 – September 9, 1915) was an American pitcher, manager, and executive in the early years of professional baseball, and the co-founder of A.G. Spalding sporting goods company. He was born and raised ...

, who led the

senior circuit 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 sp ...

with 47 wins after leading the semi-professional National Association in each of its five seasons.

Hall of Fame A hall, wall, or walk of fame is a list of individuals, achievements, or other entities, usually chosen by a group of electors, to mark their excellence or Wiktionary:fame, fame in their field. In some cases, these halls of fame consist of actu ...

pitcher

Cy Young Denton True "Cy" Young (March 29, 1867 – November 4, 1955) was an American Major League Baseball (MLB) pitcher. Born in Gilmore, Ohio, he worked on his family's farm as a youth before starting his professional baseball career. Young entered th ...

led 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 ...

in wins in each of its first three years (1901–1903), amassing 33, 32, and 28 victories in those seasons for the

Boston Americans The Boston Red Sox are an American professional baseball team based in Boston. The Red Sox compete in Major League Baseball (MLB) as a member club of the American League (AL) East division. Founded in as one of the American League's eight ...

Warren Spahn Warren Edward Spahn (April 23, 1921 – November 24, 2003) was an American professional baseball pitcher who played 21 seasons in Major League Baseball (MLB). A left-handed pitcher, Spahn played in 1942 and then from 1946 until 1965, most notabl ...

leads all players with 8 win championships for the Boston and Milwaukee Braves in his 21 seasons.

Six titles

Three players have led their league in wins six times during their careers.

Grover Cleveland Alexander Grover Cleveland Alexander (February 26, 1887 – November 4, 1950), nicknamed "Old Pete", was an American Major League Baseball pitcher. He played from 1911 through 1930 for the Philadelphia Phillies, Chicago Cubs, and St. Louis Cardinals. He ...

led the National League in victories six times, with a single-season career-high 33 wins in 1916. In the American League, two pitchers have accomplished the same feat:

Walter Johnson Walter Perry Johnson (November 6, 1887 – December 10, 1946), nicknamed "Barney" and "The Big Train", was an American professional baseball player and manager. He played his entire 21-year baseball career in Major League Baseball as a right-ha ...

, whose 36 wins in 1913—his first season leading the league—were a single-season career high, and

Bob Feller Robert William Andrew Feller (November 3, 1918 – December 15, 2010), nicknamed "the Heater from Van Meter", "Bullet Bob", and "Rapid Robert", was an American baseball pitcher who played 18 seasons in Major League Baseball (MLB) for the Clevel ...

Five and four titles

In addition to his three American League wins, Young also led the National League twice (1892, 1895) to amass the third-highest total of win championships in major league history.

Joe McGinnity Joseph Jerome McGinnity (March 20, 1871 – November 14, 1929) was an American right-handed pitcher in Major League Baseball (MLB) in the late 19th and early 20th century. McGinnity played in MLB for ten years, pitching for the National League's ...

and

Tom Glavine Thomas Michael Glavine (born March 25, 1966) is an American former professional baseball pitcher who played 22 seasons in Major League Baseball, for the Atlanta Braves (1987–2002, 2008) and New York Mets (2003–2007). With 164 victories durin ...

also captured five wins titles in the National League. Pitchers who have led their league four times include

Steve Carlton Steven Norman Carlton (born December 22, 1944) is an American former professional baseball player. He played in Major League Baseball as a left-handed pitcher for six different teams from 1965 to 1988, most notably as a member of the Philadelphi ...

Roger Clemens William Roger Clemens (born August 4, 1962), nicknamed "Rocket", is an American former professional baseball pitcher who played 24 seasons in Major League Baseball (MLB), primarily with the Boston Red Sox. Clemens was one of the most dominant pi ...

Christy Mathewson Christopher Mathewson (August 12, 1880 – October 7, 1925), nicknamed "Big Six", "the Christian Gentleman", "Matty", and "the Gentleman's Hurler", was a Major League Baseball right-handed pitcher, who played 17 seasons with the New York Giant ...

Hal Newhouser Harold Newhouser (May 20, 1921 – November 10, 1998), nicknamed "Prince Hal," was an American professional baseball player. In Major League Baseball (MLB), he pitched 17 seasons on the Detroit Tigers and Cleveland Indians, from 1939 through 1 ...

, and Robin Roberts.

Most wins in a Major League season

Charles "Old Hoss" Radbourn holds the single-season record for the most games won in a major league season; he notched 59 victories in 1884. There is a discrepancy in Radbourn's victory total in 1884. The classic MacMillan Baseball Encyclopedia, as well as other sources credit Radbourn with 60 wins (against 12 losses), other sources place his win total as high as 62. He and

John Clarkson John Gibson Clarkson (July 1, 1861 – February 4, 1909) was a Major League Baseball right-handed pitcher. He played from 1882 to 1894. Born in Cambridge, Massachusetts, Clarkson played for the Worcester Ruby Legs (1882), Chicago White Stocking ...

(53 wins in 1885) are the only pitchers to exceed 50 wins in a single season in the current major leagues;

Guy Hecker Guy Jackson Hecker (April 3, 1856 – December 3, 1938) was an American pitcher in Major League Baseball. He was born in Youngsville, Pennsylvania. His debut game took place on May 2, 1882. His final game took place on September 30, 1890. Dur ...

also accomplished the feat in the

American Association American Association may refer to: Baseball * American Association (1882–1891), a major league active from 1882 to 1891 * American Association (1902–1997), a minor league active from 1902 to 1962 and 1969 to 1997 * American Association of Profe ...

. The American League leader is Jack Chesbro, who won 41 games for 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 ...

in 1904; his total is the highest since Major League Baseball's consolidation in 1901. The highest total in the National League since 1901 is Mathewson's 37 victories in 1908. The largest margin of victory for the title is 21 wins, achieved by Clarkson in 1889; he won 49 games, while his closest competitors (

Charlie Buffinton Charles "Charlie" G. Buffinton (June 14, 1861 – September 23, 1907) was an American right-handed pitcher in Major League Baseball from 1882 to 1892. One of the workhorse pitchers of the 1880s, he won 20 games seven times and his 1,700 career s ...

and

Tim Keefe Timothy John Keefe (January 1, 1857 – April 23, 1933), nicknamed "Smiling Tim" and "Sir Timothy", was an American Major League Baseball pitcher. He stood tall and weighed . He was one of the most dominating pitchers of the 19th century and po ...

) won 28 each. The American League title's largest margin of victory is 16 wins—

Ed Walsh Edward Augustine "Big Ed" Walsh (May 14, 1881 – May 26, 1959) was an American pitcher and manager in Major League Baseball. From 1906 to 1912, he had several seasons where he was one of the best pitchers in baseball. Injuries shortened his car ...

notched 40 wins in 1908, followed by

Addie Joss Adrian "Addie" Joss (April 12, 1880 – April 14, 1911), nicknamed "the Human Hairpin", was an American professional baseball pitcher. He pitched for the Cleveland Bronchos of Major League Baseball, later known as the Naps, between 1902 and 191 ...

and

Ed Summers Oren Edgar Summers (December 5, 1884 – May 12, 1953), nicknamed "Kickapoo Ed", was an American right-handed pitcher in Major League Baseball who played five seasons with the Detroit Tigers from 1908 to 1912. Biography Summers was born in Lado ...

with 24 victories. The number of wins required to lead the league each season has gone down significantly over the last century. For example, from 1900 to 1920, the average number of wins for the AL league leader was 30.8; from 1990 to 2010, it was 20.9.

Ties

Ties for the win championship are common. The most recent tie in the American League was in 2012, when

Jered Weaver Jered David Weaver (born October 4, 1982) is an American former professional baseball starting pitcher. He played in Major League Baseball (MLB) for the Los Angeles Angels and San Diego Padres. Weaver was drafted in the first round (12th overall ...

and David Price tied for the lead with 20 wins each, and the most recent tie in the National League was in 2011, when

Ian Kennedy Ian Patrick Kennedy (born December 19, 1984) is an American professional baseball pitcher who is a free agent. He has played in Major League Baseball (MLB) for the New York Yankees, Arizona Diamondbacks, San Diego Padres, Kansas City Royals, ...

and

Clayton Kershaw Clayton Edward Kershaw (born March 19, 1988) is an American professional baseball pitcher for the Los Angeles Dodgers of Major League Baseball (MLB) . He has played for the Dodgers for the entirety of his MLB career. A left-handed starting p ...

tied with 21 wins each. The most pitchers to share the title in a single season is six, accomplished in 2006 when

Aaron Harang Aaron Michael Harang (born May 9, 1978) is an American former professional baseball starting pitcher. He played in Major League Baseball (MLB) for the Oakland Athletics, Cincinnati Reds, San Diego Padres, Los Angeles Dodgers, Seattle Mariner ...

, Derek Lowe,

Brad Penny Bradley Wayne Penny (born May 24, 1978) is an American former professional baseball pitcher. Penny played in Major League Baseball (MLB) for the Florida / Miami Marlins, Los Angeles Dodgers, Boston Red Sox, San Francisco Giants, St. Louis Cardi ...

John Smoltz John Andrew Smoltz (born May 15, 1967), nicknamed "Smoltzie" and "Marmaduke", is an American former baseball pitcher who played 22 seasons in Major League Baseball from 1988 to 2009, all but the last year with the Atlanta Braves. An eight-time A ...

Brandon Webb Brandon Tyler Webb (born May 9, 1979) is an American former professional baseball pitcher. Webb pitched in Major League Baseball (MLB) for the Arizona Diamondbacks from 2003 through 2009, and, after multiple shoulder surgeries, signed with but ...

, and

Carlos Zambrano Carlos Alberto Zambrano Matos (born June 1, 1981), nicknamed "Big Z" or "El Toro", is a Venezuelan former professional baseball pitcher. He played in Major League Baseball (MLB) from 2001 to 2012 for the Chicago Cubs and Miami Marlins. Zambrano ...

each won 16 games in the National League. In the American League, four pitchers shared the award in the strike-shortened 1981 season.

Key

National League

American League

Other major leagues

Footnotes

*Recognized "major leagues" include the current

American American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, pe ...

and

s and several defunct leagues—the

, the

Federal League The Federal League of Base Ball Clubs, known simply as the Federal League, was an American professional baseball league that played its first season as a minor league in 1913 and operated as a "third major league", in competition with the e ...

, the

Players' League The Players' National League of Professional Base Ball Clubs, popularly known as the Players' League (PL), was a short-lived but star-studded professional American baseball league of the 19th century. The PL was formed by the Brotherhood of Prof ...

, and the

Union Association The Union Association was a league in Major League Baseball which lasted for just the 1884 season. St. Louis won the pennant and joined the National League the following season. Seven of the twelve teams who were in the Association at some poi ...

. * A pitcher must throw a minimum of one inning per game scheduled for his team during the season (60 innings in 2020, pandemic-shortened; typically 162 innings) to qualify for the win title.

References

;General * * ;Inline citations {{featured list Wins