June 10, 1944 - 15-year-old Joe Nuxhall becomes the youngest player ever to play Major League Baseball when he pitches in a game for the Cincinnati Reds. Nuxhall threw two-thirds of the ninth inning in an 18-0 loss to the St. Louis Cardinals; he was pulled only after one wild pitch and allowing five runs on five walks and two hits. The game was played during World War II, when it became common for adolescent and older players to fill in for big leaguers fighting overseas. High-res

June 10, 1944 - 15-year-old Joe Nuxhall becomes the youngest player ever to play Major League Baseball when he pitches in a game for the Cincinnati Reds. Nuxhall threw two-thirds of the ninth inning in an 18-0 loss to the St. Louis Cardinals; he was pulled only after one wild pitch and allowing five runs on five walks and two hits. The game was played during World War II, when it became common for adolescent and older players to fill in for big leaguers fighting overseas.