Jack_McMahon_(baseball)
Jack McMahon (baseball)
American baseball player (1869โ1894)
John Henry McMahon (October 15, 1869 โ December 30, 1894) was a Major League Baseball first baseman and catcher. He played in 51 games, with a .243 batting average, for the New York Giants of the National League in 1892 and 1893.