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 (A ...

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 t ...

, 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 dr ...

s. Credit for a win is given by the official scorer to the pitcher whose team takes and maintains the lead while he is the pitcher of record. 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 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, ineffectiveness, injury, or ejection, or for other strategic reasons, such as inclement weat ...

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, who led the senior circuit 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 fame in their field. In some cases, these halls of fame consist of actual halls or muse ...

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 b ...

in wins in each of its first three years (1901–1903), amassing 33, 32, and 28 victories in those seasons for the Boston Americans. Warren Spahn 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 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, 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 and Tom Glavine 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 Philadelph ...

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, Hal Newhouser, 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 (53 wins in 1885) are the only pitchers to exceed 50 wins in a single season in the current major leagues; Guy Hecker 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 New York City borough of the Bronx. The Yankees compete in Major League Baseball (MLB) as a member club of the American League (AL) East division. They are one ...

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 ...

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 notched 40 wins in 1908, followed by Addie Joss and Ed Summers 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 ove ...

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

Derek Lowe Derek Christopher Lowe (born June 1, 1973) is an American former professional baseball pitcher. During his career, he played in Major League Baseball (MLB) for the Seattle Mariners, Boston Red Sox, Los Angeles Dodgers, Atlanta Braves, Cleveland I ...

, Brad Penny, John Smoltz,

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

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. * 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