Bas Rutten is a retired Dutch mixed martial artist and kickboxer. He was the UFC Heavyweight Champion, a three time King of Pancrase world champion, and finished his career with not a single loss in his last 22 fights. He's know for dropping his opponents with his livershot which is a left punch, kick or knee to his opponents right side. Has an almost 90% finishing rate 28 wins 25 wins by stoppage (14 subs, 11 KO's). And has a 70.6% striking accuracy rate, the highest FightMetrix has ever recorded.

Bas is now a well-recognized color commentator, is also the commentator and Chairman for Karate Combat a full contact Karate league (Karate.com) accredited actor, television host, coach and entrepreneur, the inventor of the O2Trainer and Body Action System. He is also a children's fitness advocate on the Cartoon Network and a participant in the networks highly publicized "anti-bullying" campaign, and was the host on Axstv "Inside MMA."