The Oakland Athletics were founded in 1901. The franchise Also played as Kansas City Athletics and Philadelphia Athletics. The Oakland Athletics have claimed 15 Pennants, played in 29 playoff series, and won 9 World Series. So far there are 41 players that have been inducted into the Baseball Hall of Fame that played for the club.
- The Athletics retired the jersey number 9 in honor of Reggie Jackson.
- The Athletics retired the jersey number 24 in honor of Rickey Henderson.
- The Athletics retired the jersey number 27 in honor of Catfish Hunter.
- The Athletics retired the jersey number 34 in honor of Rollie Fingers.
- The Athletics retired the jersey number 43 in honor of Dennis Eckersley.