Events in Sport
- Dec 2 10th Heisman Trophy Award: Les Horvath, Ohio State (QB)
- Dec 3 Temporary merger of 2 NFL teams, the Pittsburgh Steelers and Chicago Cardinals, dissolves at finish of season; WWII ends before start of 1945 season, so both teams resume normal operations
NFL Championship
Dec 17 National Football League Championship, Polo Grounds, NYC: Green Bay Packers beat New York Giants, 14-7 for 6th and final league title under long-time coach Curly Lambeau

Curly Lambeau

Mel Hein
- Dec 28 Former Wash 3rd baseman Buddy Lewis wins Distinguished Flying Cross
Event of Interest
Dec 28 Montreal right wing Maurice 'Rocket' Richard becomes first player in NHL history to score 8 points in one game with 5 goals and 3 assists in the Canadiens' 9-1 win over the Detroit Red Wings

Maurice Richard
Birthdays in Sport
- Dec 4 François Migault, French auto racer (24 Hours of Le Mans 1976 runner-up; 16 F1 GP), born in Le Mans, France (d. 2012)
- Dec 15 Stan Bahnsen, American baseball pitcher (NY Yankee, 1968 AL Rookie-of-year), born in Council Bluffs, Iowa
- Dec 17 Ference Bene, Hungarian record 12 soccer goals (Olympic gold 1964)
Steve Carlton
Dec 22 Steve Carlton, American baseball pitcher (Cy Young '72, '77, '80, '82), born in Miami, Florida

Steve Carlton
- Dec 24 Erhard Keller, German speed skater (Olympic gold 1968, 72 500m), born in Günzburg, Germany
- Dec 25 Jairzinho, Brazilian footballer
- Dec 25 Sam Strahan, New Zealand rugby union lock (17 caps; Manawatū), born in Palmerston North, New Zealand (d. 2019)
- Dec 29 Rodney Redmond, NZ cricketer (opener scored century in Test v Pak 1973), born in Whangarei, New Zealand
Deaths in Sport
- Dec 2 Eiji Sawamura, Japanese Baseball Hall of Fame pitcher (first no-hitter in Japanese pro baseball 1936), dies in battle when his ship torpedoed, at 27
- Dec 4 Roger Bresnahan, American Baseball Hall of Fame catcher, outfielder and manager (St. Louis Cardinals; first shin guards and batting helmet), dies at 65
- Dec 16 Don Meyer Basketball coach Northern State, Lipscomb, and Hamline