On Saturday, Nov. 12, two giants of the Octagon will meet when unbeaten UFC champion Cain Velasquez collides with Brazilian knockout artist Junior dos Santos. Two Giants. One Title.

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Watch UFC Lightweight Champion Frankie "The Answer" Edgar and division number one contender Gray "The Bully" Maynard prep for UFC 125. The co-main event features hard-hitting welterweights Chris "The Crippler" Leben and Brian "All American" Stann.

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UFC Middleweight Champion Anderson "The Spider" Silva and division number one contender Vitor "The Phenom" Belfort face off in UFC 126. Also featured: co-main light heavyweight contentdors and former champions Forrest Griffin and Rich "Ace" Franklin.

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Go behind the scenes of UFC 127 as former champion BJ Penn steps into the Octagon against top contender Jon Fitch. Plus, Michael Bisping trains to take on Jorge Rivera, and Australia's own George Sotiropoulos talks about facing Denis Siver.

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Catch Countdown to UFC 128 - warriors Shogun and Jones, veterans Faber and Wineland and headhunters Cro Cop and Schaub.

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Get hyped for three unbelievable bouts - the indestructible GSP takes on relentless Jake Shields, the champion Aldo faces The Machine, and Lyoto Machida prepares for rebirth as Randy Couture winds down an amazing career.

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Before Quinton "Rampage" Jackson and Matt "The Hammer" Hamill meet at UFC 130, go into their training camps for an exclusive look at the preparations being made for one of the light heavyweight division’s most exciting bouts of 2011.

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Virtually no one has been able to withstand the crushing power of heavyweight contenders Junior dos Santos and Shane Carwin. As the Countdown to UFC 131 begins, find out how the most feared men in the division prepare for battle.

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Can Dominick Cruz turn the tables at UFC 132 and avenge the only loss of his career against Urijah Faber? Plus, watch modern day legends Wanderlei Silva and Tito Ortiz prepare for Chris Leben and Ryan Bader in the countdown to UFC 132.

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It's the calm before the storm, as the Countdown to UFC 133 checks in with light heavyweight stars Rashad Evans and Tito Ortiz in the gym and at home before their pivotal UFC 133 main event bout.

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The Octagon comes home! The UFC returns to Brazil for UFC Rio with a stacked card including UFC middleweight champion Anderson Silva, former champions Shogun Rua, Forrest Griffin and Minotauro Nogueira.

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Can Jon Jones spectacular run through the 205-pound weight class continue against hungry former champ Rampage Jackson? Follow these light heavyweight stars, along with Hall of Famer Matt Hughes and Josh Koscheck, on the countdown to UFC 135.

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Supremacy in the lightweight and featherweight divisions will be determined in October. But before the first bell rings, the work takes place in the gym, where Frankie Edgar, Gray Maynard, Jose Aldo, and Kenny Florian count down to UFC 136.

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Former WEC king Urijah Faber faces what could be his final shot at championship metal, while Renan Barao looks to extend his undefeated streak to 32 in a row and become a UFC titleholder in the process. Also hear from Lombard, Boetsch, Kongo, and Jordan.

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Follow the stories of Frankie Edgar and Benson Henderson as they prepare for their rematch August 11. Former champ Edgar is hungry to get the belt back, but 'Smooth' Henderson isn't going to let that happen.

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Go inside the UFC training camps of UFC light heavyweight champ Jon Jones and contender and former champ Vitor Belfort. Then see British bad boy Michael Bisping get ready for All-American striker, Brian Stann.

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Two unstoppable forces will meet in the Octagon as Anderson Silva and Stephan Bonnar prepare for UFC 153. Erick Silva meets top-ten-ranked Jon Fitch, while Glover Teixeria aims to prov

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