The Philadelphia/Oakland A's have won nine world championships.
They have won 9 World Series championships and 15 American League championships.
The Oakland Athletics have the second most American League World Series titles with 9.
The Oakland Athletic have the second most World Series titles in the American League with 9.
The Oakland Athletics have the second most world Series titles of American League Teams with 9
The New York Yankees beat the Boston Red Sox in the 2003 American League Championship Series.
As of the 2010 World Series, American League teams have claimed 62 world championships, while National League clubs have won 43.
The Oakland Athletics have the second most World Series wins for an American League team with 9, second to the Yankees with 27.
The Oakland Athletics have won 9 World Series titles second in the American League to the Yankees with 27.
The Oakland Athletics won 9 World series Titles and is second among American League teams to the Yankees with 27.
The A's have won nine world championships. The Philadelphia Athletics of Connie Mack won the World Series in 1910, 1911, 1913, 1929 and 1930. The Oakland A's won in 1972, 1973, 1974 and 1989.
Athletics with 9.