- Dec 3 CFL Grey Cup, Varsity Stadium, Toronto: Toronto Argonauts win 2nd Championship; beat Edmonton Eskimos, 23-0
- Dec 4 American Professional Football Association Championship, Cubs Park, Chicago: Chicago Staleys beat Buffalo All-Americans, 10-7 in de facto championship game after teams tied in standings
World Series Best-of-7
Dec 20 AL votes to return to best-of-7 World Series, while NL votes best-of-9; Commissioner Kenesaw Mountain Landis casts deciding vote for best-of-7
- Dec 24 Ottawa’s Harry Broadbent scores in 10-0 Senators blowout of the Montreal Canadiens; first in 16-game NHL record goal-scoring streak; Charlie Simmer’s 13 game streak (1979) is considered modern-day record
- Dec 31 Australasian Championships Men's Tennis, Perth: Australian Rhys Gemmell beats countryman Alf Hedeman 7-5, 6-1, 6-4
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions