MMA

Georges St-Pierre was already considered one of the greatest fighters of all time when he walked away from MMA. Now, after four years away from the octagon, he returns to to fight a bigger man on the biggest stage.

Police in China swept in and detained controversial Chinese mixed martial arts fighter Xu Xiaodong minutes before his scheduled comeback fight against a Tai Chi master.

Follow along as MMA fighter, Kron Gracie, fuels himself through the brutal days of training that have made him so dominant on the mat.

Before Ronda Rousey defends her UFC title this weekend she sat down in our L.A. offices to talk about fame, fighting, and the "bubble-wrapped" "pageant" that is the Olympics.

The New York-based tattoo artist and Jiu Jitsu enthusiast trains out of one of the most renowned academies in New York.

The New York-based tattoo artist and Jiu Jitsu enthusiast demonstrates the Kimura, a popular submission move in mixed martial arts.

Mo Wilkerson is still looking for ways to cause headaches for NFL offenses. As if being a pro bowler wasn't enough, Mo has now taken up MMA to be even quicker.

Every year there is a medieval style combat tournament that takes place in a castle in Europe; that means swords, full body armor, and shields.

Inside the Bangkok prison where inmates can fight Muay Thai to earn favor, get money, and celebrate the honor of Thailand.

We take a drive with Cain as he takes us through his upbringing and explains why he enjoys punching people in the face.

Now retired as a wrestler, Phil Brooks is onto his second career as a fighter – you know, the "real" kind – in the UFC.

In Klong Prem high-security prison in Bangkok, inmates box outsiders for money, shorter sentences, and the greater glory of Thailand.