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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) is a 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 leagues and associated farm teams throughout the world.
Modern professional ...
organization, which consists of a total of 30 teams—15 teams in 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 ...
(NL) and 15 in 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 ...
(AL). The NL and AL were formed in 1876 and 1901, respectively. Beginning in 1903, the two leagues cooperated but remained legally separate entities until 2000 when they merged into a single organization led by 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 ...
. This list documents all 30 active MLB teams ranked by win–loss percentage
In sports, a winning percentage is the fraction (mathematics), fraction of games or matches a team or individual has won. The statistic is commonly used in Standings, standings or rankings to compare teams or individuals. It is defined as wins di ...
as of the completion of the . These records do not include results from by a team's playing time in the National Association of Professional Base Ball Players or while members of any minor league.
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 of ...
have the highest regular season winning percentage, with .570. The Miami Marlins have the lowest, with . The San Francisco Giants
The San Francisco Giants are an American professional baseball team based in San Francisco, California. The Giants compete in Major League Baseball (MLB) as a member club of the National League (NL) West division. Founded in 1883 as the New Y ...
have the most overall wins (11,301), while the Tampa Bay Rays
The Tampa Bay Rays are an American professional baseball team based in St. Petersburg, Florida. The Rays compete in Major League Baseball (MLB) as a member club of the American League (AL) East division. Since its inception, the team's home v ...
have the fewest (1,826). The Philadelphia Phillies have the most losses, with 11,112, while the Arizona Diamondbacks
The Arizona Diamondbacks (colloquially known as the D-backs) are an American professional baseball team based in Phoenix. The Diamondbacks compete in Major League Baseball (MLB) as a member club of the National League (NL) West division. The ...
have the fewest, with 1,946. With 21,769 games played, the Chicago Cubs have played more games than any other MLB club. Conversely, Tampa Bay has played the fewest (3,784). San Francisco has recorded the most ties in MLB history, with 163. Tie games do not count toward MLB standings, and they have become particularly rare since the advent of a 2007 rule change assuring that a tie game can occur only if it is the last scheduled matchup between the two teams that season and has no bearing on the postseason.
As of the completion of the 2021 World Series
The 2021 World Series was the championship series of Major League Baseball's (MLB) 2021 season. The 117th World Series was a best-of-seven playoff between the National League (NL) champion Atlanta Braves and the American League (AL) champion H ...
, the Miami Marlins have the highest postseason
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 ...
winning percentage, with , while the San Diego Padres
The San Diego Padres are an American professional baseball team based in San Diego. The Padres compete in Major League Baseball (MLB) as a member club of the National League (NL) West division. Founded in 1969, the club has won two NL penn ...
have the lowest, with . The New York Yankees have the most postseason wins (241), while the Colorado Rockies have the fewest (10). The Yankees also have the most postseason losses (172), while Miami and Colorado are tied for the fewest (14).
Table key
Regular season
: ''Last updated on September 10, 2022.''Postseason
See also
*List of Major League Baseball franchise postseason droughts
Throughout the history of Major League Baseball (MLB), franchises have had various postseason and World Series droughts.
All 16 of the original Major League franchises (i.e., those in place when the first World Series was played in 1903) have ...
Notes
References
;Specific ;General *Notes
{{DEFAULTSORT:All-time Major League Baseball win-loss records Win-loss recordsMLB
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), ...