- Jan 1 101st Rose Bowl: #2 Oregon beats #3 Florida State, 59-20 (National Championship Playoff Semi-Final)
- Jan 1 81st Sugar Bowl: #4 Ohio State beats #1 Alabama, 42-35 (National Championship Playoff Semi-Final)
- Jan 4 Gary Anderson of Scotland beats 16-time world champion Phil Taylor, 7-6 to win his first PDC World Darts Championship at the Alexandra Palace, London
Baseball Hall of Fame
Jan 6 Randy Johnson, Pedro Martínez, John Smoltz and Craig Biggio are inducted into the Baseball Hall of Fame
Hopman Cup
Jan 10 Hopman Cup Tennis, Perth: Poland's Agnieszka Radwańska & Jerzy Janowicz beat American pair Serena Williams & John Isner 7-5, 6-3 to clinch a 2-1 win; earlier Radwańska defeats Williams 6-4, 6-7, 6-1
- Jan 12 College Football National Championship, AT&T Stadium, Arlington: #4 Ohio State beats #2 Oregon, 42-20
Ronaldo, Keßler Win
Jan 12 FIFA Ballon d'Or: Real Madrid & Portugal forward Cristiano Ronaldo wins for a 2nd consecutive time; his 3rd award overall; VfL Wolfsburg midfielder Nadine Keßler is women's award winner
- Jan 17 American boxer Deontay Wilder wins the WBC heavyweight championship by unanimous decision over Bermane Stiverne at MGM Grand Garden Arena, Las Vegas; Wilder first American to hold a heavyweight title since Shannon Briggs in 2007
- Jan 18 AFC Championship, Gillette Stadium, Foxborough: New England Patriots beat Indianapolis Colts, 45-7
Seahawks Defeat Packers
Jan 18 NFC Championship, CenturyLink Field, Seattle: Seattle Seahawks beat Green Bay Packers, 28-22 (OT)
- Jan 18 South African batsman AB de Villiers makes fastest century in ODI cricket history from 31 balls during an innings of 149 against the West Indies in Johannesburg
Thompson's Record Game
Jan 23 Golden State guard Klay Thompson scores the most NBA points in a quarter (37) and most 3-pointers in a quarter (9) in Warrior's 126-101 win over Sacramento Kings
- Jan 25 60th NHL All-Star Game, Nationwide Arena, Columbus, OH: Team Toews beats Team Foligno, 17-12; MVP: Ryan Johansen
NFL Pro Bowl
Jan 25 NFL Pro Bowl, University of Phoenix, Glendale, AZ: Team Irvin beats Team Carter, 32-28; MVPs: J. J. Watt, Houston Texans, DE; Matthew Stafford, Detroit Lions, QB
- Jan 31 Atlanta Hawks set a new NBA monthly win record as they move to 17-0 for January, with a 91-85 win against the Philadelphia 76ers
- Jan 31 Australian Open Women's Tennis: Serena Williams wins 19th career Grand Slam singles title; beats arch rival Maria Sharapova of Russia 6-3, 7-6