Donahue started playing professional baseball in 1902 in Minor League Baseball when he was only 17. He played as a catcher and first baseman. In the three years he played major-league baseball, he hit three home runs in a total of 119 games. His brother, also a major-league baseball player, was Jiggs Donahue.
Trades
June 10, 1910: Purchased by the Athletics from the Red Sox.
Traded from the Athletics to the Naps and back to the Athletics in 1910.