Michael Joseph O'Dowd was an American boxer who held the World Middleweight Championship from 1917 to 1920.

Al McCoy,, born Alexander Rudolph, was a boxing World Middleweight Champion from 1914 to 1917. He had a total of 157 bouts. Of those determined officially, he won 44 with 27 by knockout, and had 6 losses, and 6 draws. Around 107 of his fights were no decision bouts.