Jon Jones is not interested in facing Daniel Cormier at heavyweight, but did challenge him at light heavyweight.
Roger Federer will take on Serena Williams in mixed doubles action at the Hopman Cup.
The 2018 NFL playoffs will begin on Saturday after all 12 teams were confirmed.
The Green Bay Packers are currently interviewing for a new head coach.
Anthony Davis is the subject of trade speculation with the Los Angeles Lakers heavily linked with a move for the New Orleans Pelicans forward.
Only a few days remain until Floyd Mayweather's exhibition match with Tenshin Nasukawa at RIZIN 14.
Jon Jones tested positive for a banned substance at the picogram level, causing UFC 232 to be moved from Las Vegas to Inglewood.
The Green Bay Packers have begun their search for a new full-time head coach.
Like Jabari Parker and Robin Lopez, Justin Holiday is in the final year of his contract.
Patrick Mahomes looks likely to be named the 2018 NFL MVP over Drew Brees according to oddsmakers.
Keith Thurman will return to action for the first time in nearly two years when he defends his WBA title against Josesito Lopez next month.
Kamaru Usman will get a shot at the welterweight title at UFC 235 but it may not be against current champion Tyron Woodley.
Luka Doncic was responding to recent comments from LeBron James about some of the league's best players.
The Golden State Warriors came under scrutiny after another blowout loss at home, this time to the Los Angeles Lakers.
It was previously reported that players like Kawhi Leonard and Jimmy Butler did not want to play with LeBron James at Los Angeles Lakers.
Jon Jones called out Brock Lesnar last year following his now overturned win over Daniel Cormier at UFC 214.
Floyd Mayweather will take on Tenshin Nasukawa in an exhibition match at RIZIN 14 on Dec. 31.
Center Robin Lopez has reportedly been made available by the Chicago Bulls for a potential trade.
During the third quarter of the NBA Christmas game against the Golden State Warriors, Los Angeles Lakers' star LeBron James injured his groin.
The Boston Celtics and the Los Angeles Lakers are the two teams linked the most with a trade for Anthony Davis.