Oakland As

Oakland Athletics
2017 Oakland Athletics season
Established in 1901
Based in Oakland since 1968
Team logo Cap insignia
Major league affiliations
American League (1901–present) West Division (1969–present)
Current uniform
Retired numbers	9 24 27 34 43 A's 42
Colors
Green, gold, white
Name
Oakland Athletics (1968–present) Kansas City Athletics (1955–1967) Philadelphia Athletics (1901–1954)
Other nicknames
The A's, The Swingin' A's, The White Elephants, The Elephants, The Green and Gold
Ballpark
Oakland–Alameda County Coliseum (1968–present) Municipal Stadium (Kansas City) (1955–1967) Shibe Park (1909–1954) Columbia Park (1901–1908)
Major league titles
World Series titles (9)	1910 1911 1913 1929 1930 1972 1973 1974 1989
AL Pennants (15)	1902 1905 1910 1911 1913 1914 1929 1930 1931 1972 1973 1974 1988 1989 1990
West Division titles (16)	1971 1972 1973 1974 1975 1981 1988 1989 1990 1992 2000 2002 2003 2006 2012 2013
Wild card berths (2)	2001 2014
Front office
Owner(s)	John J. Fisher
Manager	Bob Melvin
General Manager	David Forst
President of Baseball Operations	Billy Beane

The Oakland Athletics (often abbreviated to A's) are an American professional baseball team based in Oakland, California. The Athletics compete in Major League Baseball (MLB) as a member club of the American League (AL) West division. The club plays its home games at the Oakland–Alameda County Coliseum. The club has won nine World Series championships, the third most of all current Major League Baseball teams. The 2017 season is the club's 50th in Oakland.

One of the American League's eight charter franchises, the club was founded in Philadelphia, in 1901 as the Philadelphia Athletics. They won three World Series championships from 1910 to 1913 and two in a row in 1929 and 1930. The team's owner and manager for its first 50 years was Connie Mack and Hall of Fame players included Chief Bender, Frank "Home Run" Baker, Jimmie Foxx, and Lefty Grove. The team left Philadelphia for Kansas City in 1955 and became the Kansas City Athletics before moving to Oakland in 1968. They won three World Championships in a row from 1972 to 1974, led by players including Catfish Hunter, Reggie Jackson, ace reliever Rollie Fingers, and colorful owner Charlie O. Finley. After being sold by Finley to Walter A. Haas Jr., the team won three consecutive pennants and the 1989 World Series behind the "Bash Brothers", Jose Canseco and Mark McGwire, as well as Hall of Famers Dennis Eckersley, Rickey Henderson and manager Tony La Russa.

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