Athletics celebrate after beating the Texas Rangers to clinch a playoff spot
The Oakland Athletics clinch a playoff spot | Ezra Shaw/Getty Images

Founded in Philadelphia at the turn of the century, the A’s were led by owner/manager Connie Mack to the franchise’s first five World Series wins. Shortly after Mack’s exit, the Oakland Athletics moved to Kansas City in 1955 and then Oakland 13 years later. The team’s new location eventually inspired the Bay Bridge Series, an NL competition between the Athletics and neighboring San Francisco Giants for the Bay Bridge Trophy.

Throughout the ’70s, the A’s won three more World Series. Jose Canseco and Mark McGwire arrived in the ’80s and led the team to a 1989 World Series win alongside Rickey Henderson, Dennis Eckersley, and manager Tony La Russa. As of 2021, the Athletics have an overall win-loss record of 9,150-9,552.

  • Founded: 1901
  • Championships: nine World Series wins (1910, 1911, 1913, 1929, 1930, 1972, 1973, 1974, and 1989)
  • Additional achievements: 15 AL Pennants and 17 West Division titles
  • Arena: Oakland Coliseum
  • Former team name: Philadelphia Athletics, Kansas City Athletics

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