Jack McMahon (baseball)
John Henry McMahon was an American 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.
John Henry McMahon was an American 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.