WATCH ATHLETE AND EVENT VIDEOS

At UFC 139, Danny Castillo puts constant pressure on Shamar Bailey, using takedowns and ground and pound to earn a victory inside the Octagon. See Castillo take on Tony Ferguson in the co-main event at UFC 177 in Sacramento, California.

Former UFC® light heavyweight champion Vitor Belfort discusses his breakthrough performance, a first-round desctruction of Rich Franklin that earned him a shot at middleweight champ Anderson Silva.

Relive one of the greatest battles in UFC® history, as former champions Dan Henderson and Mauricio "Shogun" Rua face off at UFC® 139.

Former WEC featherweight champion Urijah Faber uses dynamic striking to hurt veteran Jens Pulver, then finishes up with a lightning-quick guillotine choke.

Erick Silva talks to FUEL TV's Jon Anik after his controversial DQ loss at UFC RIO: "In my heart, I think I won."

Jose Aldo causes a near-riot after his UFC RIO victory by scampering out of the Octagon to celebrate with his fans.

Recap the great night of fights with Dana White and the stars of UFC RIO: Aldo vs Mendes

Rousimar Palhares talks about his first-round submission of Mike Massenzio, and shares a special message with the fans.

Vitor Belfort is driven, confident and ready for war - and at UFC RIO, his opponent just happens to be Anthony Johnson.

Watch the UFC RIO weigh-in that took place at the HSBC Arena in Rio de Janeiro on Friday, January 13.

With just hours to go, get an inside look at Featherweight Champion Jose Aldo’s training camp as he prepares for his highly anticipated bout with Chad Mendes.