- Dec 2 "334" club forms as 334 brave Devil fans journey through 20" of snow to attend New Jersey Devils 7-5 NHL victory over Calgary at Meadowlands
Lendl's 3rd ATP
Dec 4 Defending champion Ivan Lendl of Czechoslovakia wins 3rd straight season-ending ATP Masters Grand Prix tennis title by defeating Mats Wilander of Sweden 6–2, 6–2, 6–3 in the final at Madison Square Garden, NYC
- Dec 5 53rd Heisman Trophy Award: Tim Brown, Notre Dame (WR)
Boon's 5th Century
Dec 5 David Boon's 5th Test Cricket century, 143 v NZ at Brisbane
Hextall Scores 1st Goalie Goal
Dec 8 Flyers' Ron Hextall becomes 1st NHL goalie to actually score a goal, shooting the puck into Boston Bruins empty net in 5-2 win at The Spectrum in Philadelphia
Bird's Streak Ends
Dec 9 Larry Bird ends streak of 59 consecutive free throws
- Dec 12 Mookie Blaylock sets NBA record of 13 steals in a game
- Dec 12 Okla's sets NCAA record of 33 steals vs Centenary
Border Becomes Top Batsman
Dec 14 Allan Border scores 205 vs NZ to become Australian crickets' top run getter
- Dec 19 NHL Boston Bruins Ken Linseman & St. Louis Blues Doug Gilmore set a record for the fastest two goals in league history, scoring 2 seconds apart
- Dec 20 76th Davis Cup: Sweden beats India in Gothenburg (5-0)
- Dec 23 Buffalo goaltender Tom Barrasso leads the Sabres to a 5-2 win over the Detroit Red Wings to record his 100th NHL victory; makes him the youngest player to reach milestone at just 22 years, 9 months
- Dec 27 Steve Largent sets all-time NFL record for career catches when he catches his 752nd pass
- Dec 29 Ballon d'Or: Milan's Dutch midfielder Ruud Gullit wins best football player in Europe award ahead of Paulo Futre (Porto/Atlético Madrid) and Real Madrid striker Emilio Butragueño
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions