Meanwhile back on the home front, NHL (except the Canadiens) and MLB teams had so many players in the military serving their country that they had to fill their rosters with 15 and 16 year old teenagers.
"the youngest player to ever score a goal in the NHL was the Bruins' Bep Guidolin, who was just 16 years and 350 days old when he scored against the Chicago Blackhawks in 1942"
"On June 10, 1944, 15-year-old Joe Nuxhall becomes the youngest person ever to play Major League Baseball when he pitches in a game for the Cincinnati Reds."