While some pointed to an intense neck drill that Tsarukyan performed in a viral clip, former UFC heavyweight champion Josh Barnett believes the root cause was the fighter’s extreme weight cut.

(Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images) Coached by the legendary Ray Longo, Weidman was one of the top prospects in the UFC and seemingly destined to win a world championship.

Notable names such as Randy Couture, Josh Barnett, Frank Mir, Andre Arlovski, Brock Lesnar, Cain Velasquez, Junior Dos Santos, and Fabricio Werdum have all won the UFC Heavyweight Championship.

The surprise result scuttled the UFC's plans to stage what would have been a massive superfight between Silva and either Jon Jones, the light heavyweight champion ... at UFC 162. Josh Hedges ...

Former UFC champ Josh Barnett believes Tsarukyan’s withdrawal at UFC 311 had more to do with a bad weight cut than a back injury.

The 39-year-old Mousasi (49-9-2) has held world titles at middleweight or light-heavyweight in Bellator, Strikeforce, Dream and Cage Warriors. Former UFC heavyweight champions Junior Dos Santos ...

1 p.m. ET: Ariel and The Boys In The Back break UFC 311 down from all angles. 1:30 p.m. ET: UFC bantamweight champion Merab ... 3 p.m. ET: MMA legend Josh Barnett stops by for an in-studio visit.