Tony Ferguson uses his lethal d'arce choke technique against opponent Mike Rio at UFC 166. See Ferguson battle Danny Castillo in the co-main event at UFC 177 in Sacramento, California.

The always entertaining John Dodson's explosive punching power is on full display against Darrell Montague at UFC 166. "The Magician" faces John Moraga at Fight Night Albuquerque.

UFC president Dana White's Fight for the Troops vlog takes you behind the scenes of UFC 166, called the greatest card in UFC history.

Junior Dos Santos and Cain Velasquez ended their heavyweight trilogy with an epic fight. Watch highlights of Cain's win and the rest of UFC 166 in super slow motion via FOX Sports' Phantom Cam.

"This is better than last but not the best." Daniel Cormier showed off his well-rounded game in his bout with Roy Nelson. Hear him discuss with Joe Rogan his plans for the future, including a possible move to 205.

MMA H.E.A.T. brings you Dana White's entire UFC 166 post-fight scrum from the Toyota Center in Houston, TX. Dana talks about what he considers to be the greatest UFC card in history.

UFC stars make their predictions for Saturday night's trilogy fight between heavyweight champion Cain Velasquez and former champion Junior Dos Santos.

UFC president Dana White discusses the trilogy between Cain Velasquez and Junior Dos Santos, selling out the Toyota Center, Diego Sanchez vs Gilbert Melendez, Daniel Cormier vs Roy Nelson, the death of boxing, his frustration with the Klitschkos.

Lightweight warriors Gilbert Melendez and Diego Sanchez are both looking to establish their position in the division, and Saturday night's showdown will do just that.

MMA H.E.A.T. was on stage at the House of Blues in Houston, Texas when former UFC Heavyweight Champion Junior Dos Santos / "Cigano" worked out for the fans. We have the complete 20min for you, including his capoeira back-handsprings!

It has been a tale of two fights as Cain Velasquez and Junior Dos Santos have traded ownership of the heavyweight title in their first two matchups. This Saturday, the two will meet again in a decisive third bout.

"I'm going to beat Roy Nelson because I'm better than him." The bad blood between Roy Nelson and Daniel Cormier continues to boil. But both fighters assert that the only way to settle the feud is to step into the Octagon.

Cain Velasquez scored this second-round knockout over challenger Denis Stojnic back in 2009, landing 88 blows to Stojnic's 7. The win was Cain's third consecutive UFC win, and fifth straight overall, all of which came by knockout.

Heavyweight champion Cain Velasquez discusses his strategy versus Junior Dos Santos in their upcoming rubber match at UFC 166 and what it means to him to hold on to his belt.

"I see things better than I did before. When I hit people, they go down." No. 1 contender Junior Dos Santos discusses his rubber match with Cain Velasquez and his plans to knock the champion out...again.

After two memorable battles, the two best heavyweights in combat sports meet
for the third time to settle the score at UFC 166.