UFC 173 features an action-packed main event as Renan Barao puts his bantamweight belt on the line against TJ Dillashaw. In the co-main, heavy-hitters Daniel Cormier and Dan Henderson square off, but not before Lawler and Ellenberger go to war!.

The UFC's Fight Motion Cam captures the biggest hits of UFC 173 in super slow-mo.

UFC light heavyweight champ Daniel Cormier made his second appearance at 205 against the legendary Dan Henderson at UFC 173. Watch Cormier toss the iconic wrestler around for three round en route to the big win, which catapulted him into title contention.

On episode #3 of 7, all roads lead to Las Vegas for UFC 173. Co-main event star Dan Henderson completes media obligations in LA and heads to Sin City, while UFC President Dana White watches fights on the set of TUF Latin America and wins big at the tables

On a remarkable 35-fight unbeaten streak, Renan Barao will put his UFC bantamweight title on the line when he faces talented contender TJ Dillashaw. Saturday, May 24th, from the MGM Grand Garden Arena in Las Vegas, Nevada.

UFC correspondent Megan Olivi jumps into the action at UFC 173 Ultimate Media Day to pick the brains of fighters before the big event Saturday. Hear from headliners Renan Barao and TJ Dillashaw, and other stars from the main card.

MMA veterans Daniel "DC" Cormier and Dan "Hendo" Henderson battle at UFC 173 to see who is the top light heavyweight contender. Cormier takes on Anthony Johnson for the light heavyweight title at UFC 187 in Las Vegas, Nevada.

Chris Holdsworth looks to keep his winning streak alive as he battles Chico Camus at UFC 173 May 24th at the MGM Grand Garden Arena in Las Vegas.

On episode #6 of the 7-part fight week series it’s the day before UFC 173, and Dana White meets with a slew of Hall of Famers and current champions before the weigh-ins. 

Countdown follows six of the UFC's top fighters as they prepare for UFC 173 in Las Vegas. Watch Countdown this Sunday, May 18, at 8PM/5PM ETPT on FOX Sports 1.

The Ultimate Fighter season 13 winner and rising lightweight contender Tony "El Cucuy" Ferguson looks to make his name known as he goes up against Katsunori Kikuno at UFC 173. Watch Ferguson take on Danny Castillo in the co-main event at UFC 177.

TJ Dillashaw's reign as UFC bantamweight champion began on May 24, 2014 at UFC 173 when KO'ed Renan Barao in the fifth round. Dillashaw has recorded two title defenses since and will attempt a third on Jan. 17 against Dominick Cruz.

Take an exclusive look inside the daily life of UFC President Dana White. Plus, hear from Daniel Cormier and Dan Henderson while they are in their training camps gearing up for a light heavyweight battle at UFC 173.

On episode #4 of 7, with UFC 173 just four days away, the main card fighters have arrived in the fight capital of the world. UFC Embedded is a new, behind-the-scenes , video blog series focusing on the final days leading up to an epic PPV event.

UFC 173 is sure to excite as Renan Barao puts his dominant streak on the line against TJ Dillashaw, Daniel Cormier tries to earn a title shot with a win over Dan Henderson, and heavy hitters Jake Ellenberger and Robbie Lawler go to war!

Hear from newly crowned bantamweight champion TJ Dillashaw after his upset of Renan Barao. Dillashaw tells fans what it feels like to accomplish a dream, while Barao, who hadn't lost since 2005, looks forward to bouncing back even stronger.

O campeão Renan Barão colocou sua longa série de vitórias e seu título peso-galo em jogo contra o desafiante T.J. Dillashaw.

On UFC Embedded episode #2 of 7, Daniel Cormier & Dan Henderson both spend personal time with their families before packing their bags and heading out on a media tour. The same day, UFC President Dana White flies to LA to be honored as a sports visionary.

On episode #7 of the 7-part series, UFC Embedded, just a few hours before their co-main event clash, Daniel Cormier and Dan Henderson follow very different routines that will lead them to the same place, inside the Octagon facing each other.

Part of the new breed of fighters making their way to the Octagon, TJ Dillashaw has the skills to unseat current bantamweight champion Renan Barao. Tune in to UFC 173 to find out if the Team Alpha Male fighter can pull off the upset!

Undefeated and top light heavyweight contender Daniel "DC" Cormier goes up against hard-hitting UFC vet Dan Henderson. Watch "DC battle" for the light heavyweight belt against current reigning champ Jon Jones in the main event at UFC 182.

At UFC 173 Mitch Clarke submits Al Iaquinta with a d'arce choke. Clarke steps back into the Octagon to face off against Joe Duffy July 7 in Las Vegas at UFC Fight Night: Dos Anjos vs Alvarez.

T.J. Dillashaw looks to bring back the UFC Bantamweight title belt back to Team Alpha Male as he takes on current Champion Renan Barao at UFC 173 at The MGM Grand Garden Arena on May 24th in Las Vegas. Courtesy of TheShoot!

On episode #5 of the 7-part fight week series, UFC Embedded, the UFC's biggest stars press their luck. At Zuffa HQ, Dana White takes a call from Nick Diaz, deals with Jon Jones' manager, and gets his long-awaited walking papers.