George William "Mule" Haas (October 15, 1903 – June 30, 1974) was an American professional baseball player.

His contract was then sold to the Atlanta Crackers of the Southern Association and he returned to the minor leagues for two more seasons.

[1][4] The Athletics won the 1929 American League pennant by 18 games over the vaunted New York Yankees of Babe Ruth and Lou Gehrig.

[2] With the onset of the Great Depression and declining attendance, Connie Mack sought to reduce expenses by selling or trading his best players.

[4] After five seasons in Chicago, Haas ended his career back in Philadelphia, playing in his final major league game on September 1, 1938 at the age of 34.