No. 1 welterweight contender Johny "Bigg Rigg" Hendricks lands a solid left hook to Martin Kampmann and ends the night with a KO victory in the first round. Hendricks takes on Matt Brown during the main card at UFC 185 in Dallas, Texas.

Joe Rogan counts down eight of the most devastating, jaw-dropping head-kick knockouts in UFC history.

Vicious striker and UFC featherweight veteran Mark Hominick came on UFC Tonight with a surprise announcement. He's retiring! Hominick explains the reasons for his shocking retirement and looks back on some of his career highlights.

Relive every bone-jarring punch, slick submission attempt, and all-out war from UFC 154: St-Pierre vs. Condit.

Watch the post-fight press conference following the event.

Follow UFC welterweight contender Martin "The Hitman" Kampmann as he shows you what goes on behind the scenes at open workouts.

Mark Bocek pads his impressive record on Canadian soil, forcing fellow BJJ ace Dustin Hazelett to tap from a triangle choke at UFC 124.

See UFC welterweight champion Georges St-Pierre and interim champion Carlos Condit at the UFC 154 press conference.

Watch the official weigh-ins for UFC 154: St-Pierre vs. Condit live on Friday, November 16 at 4 pm ET/1 pm PT.

UFC Ultimate Insider host Jon Anik sits down with a fully recovered Georges St-Pierre. The welterweight champ discusses the struggles he overcame in his rehab from ACL surgery and why his future is brighter than his past.

Georges St-Pierre was a stable at the top of the welterweight division before being struck by a devastating knee injury. With over a year of recovery and a renewed motivation to stake his claim in the division, GSP returns at UFC 154.

"My whole focus is on this fight." Johny Hendricks is excited to fight former student Martin Kampmann, and earn a shot at the welterweight title at UFC 154.

Martin Kampmann has established himself as one of the best welterweights in the world. At UFC 154, "The Hitman" wants to secure his long-awaited title shot by finishing Johny Hendricks in spectacular fashion.

This November, choose the welterweight candidate who fights for what you stand for - Carlos Condit for UFC Welterweight Champion at UFC 154.

This November, choose the champion who is more than just the interim variety - GSP for the UFC Welterweight Title.

Watch 8 free fights by clicking on the video thumbnails and follow the journey of both Georges St-Pierre and Carlos Condit as they both earned their belts in the welterweight division.

An insider's account of Georges St-Pierre's intensive recovery from ACL surgery and the internal battles that he faced in his journey to reclaim sole ownership of the 170 pound title.

Georges St-Pierre returns from a long injury layoff to face Carlos Condit for the undisputed UFC welterweight title, while Martin Kampmann and Johny Hendricks battle for the chance to be the No.1 contender. Watch UFC 154 live on pay-per-view.

At UFC 83, Georges St-Pierre reclaimed the welterweight championship in front of him hometown crowd in Montreal. Relive the rematch with Matt Serra as GSP takes breaks down the greatest moment in his career.

After a year and a half away from the cage, Georges St-Pierre says he's better and stronger than ever. Hear why he's confident he'll still be champ after UFC 154.

"I'm a different fighter every time." Interim UFC welterweight champion Carlos Condit is more than ready to defeat the best version of Georges St-Pierre, and become the undisputed welterweight king at UFC 154.

Martin Kampmann uses nasty ground and pound to set up a guillotine choke against Jacob Volkmann at UFC 108.

UFC interim welterweight champion Carlos Condit recounts his breakthrough performance: a knockout victory in front of a hostile crowd at UFC 120.

Two finishers, two champions, two icons converge in a contest to determine who will hold the undisputed welterweight belt at the end.

The wait is over: UFC welterweight champion Georges St-Pierre makes his eagerly anticipated return to the Octagon on Saturday, November 17th in a five-round battle for the undisputed crown.

Interim welterweight champ Carlos Condit joins UFC Ultimate Insider host Jon Anik in studio share his insight on the road to facing Georges St-Pierre for the welterweight belt.

Cameras follow UFC interim welterweight champion Carlos Condit through a workout as he prepares for his upcoming fight against Georges St-Pierre.

Watch the UFC 154 ticket press conference with Georges St-Pierre and Carlos Condit