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Major League Baseball (MLB) is a professional baseball organization, which consists of a total of 30 teams—15 teams in the National League (NL) and 15 in the American 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. This list documents all 30 active MLB teams ranked by win–loss percentage as of the completion of the 2024 Major League Baseball season. These records do not include results from 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 has the highest regular season winning percentage, with .569. The Miami Marlins have the lowest, with .459. The San Francisco Giants have the most overall wins (11,541), while the Arizona Diamondbacks have the fewest (2,087). The Philadelphia Phillies have the most losses, with 11,326, while the Tampa Bay Rays have the fewest, with 2,179. With 22,255 games played, the Chicago Cubs have played more games than any other MLB club. Conversely, Tampa Bay has played the fewest (4,270). San Francisco has recorded the most ties in MLB history, with 163. Tie games do not count toward MLB standings and they have become scarce 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 2024 World Series, the Miami Marlins have the highest postseason winning percentage, with .600, while the Minnesota Twins have the lowest, with .379. The New York Yankees have the most postseason wins (252), while the Colorado Rockies have the fewest (10). The Yankees also have the most postseason losses (184), while Colorado has the fewest (14).

Table key

Regular season

Last updated on September 30, 2024

Postseason

See also

• List of Major League Baseball franchise postseason droughts

Notes

1. ^ Includes a tied Game 2 of the 1922 World Series
2. ^ Includes a tied Game 2 of the 1912 World Series
3. ^ Includes a tied Game 1 of the 1907 World Series

References

Specific

1. "Year In Review: 2000 National League". Baseball-Almanac. Retrieved September 5, 2008.
2. Chass, Murray (September 16, 1999). "BASEBALL; League Presidents Out As Baseball Centralizes". The New York Times. Retrieved May 29, 2018.
3. Lauing, Jacob (September 30, 2016). "MLB Sees First Tie Game in a Very, Very Long Time". Mashable. Retrieved September 10, 2020.
4. "1922 World Series - New York Giants over New York Yankees (4-0-1)". Baseball-Reference. Retrieved December 6, 2021.
5. "1912 World Series - Boston Red Sox over New York Giants (4-3-1)". Baseball-Reference. Retrieved December 6, 2021.
6. "1907 World Series - Chicago Cubs over Detroit Tigers (4-0-1)". Baseball-Reference. Retrieved December 6, 2021.

General

• "Major League Teams and Baseball Encyclopedia". Baseball-Reference. Retrieved December 6, 2021.

Notes

• Major League Baseball lists
• Sports standings