The Oakland Athletics (frequently referred to as the Oakland A's) were an American Major League Baseball (MLB) team based in Oakland, California, from 1968 to 2024. The Athletics were a member club of the American League (AL) West Division and played its home games at the Oakland Coliseum throughout their entire time in Oakland. The franchise's nine World Series championships, fifteen pennants, and seventeen division titles are the second-most in the AL after the New York Yankees.
The Athletics moved to Oakland from Kansas City in 1968, where the team had previously relocated in 1954 from its original home in Philadelphia. The Athletics were successful in Oakland, winning four World Series championships, six American League pennants, and 17 Western Division titles.