Chris "The Westside Strangler" Brennan, Pro MMA from 1994 until 2012, has competed for the UFC, PRIDE, Cage Rage, King of the Cage and Shooto. He is a former King of the Cage Middleweight Champion and former King of the Cage Middleweight Superfight Champion. In 2014 Chris was inducted in to the Mixed Martial Arts Hall of Fame.

After retiring from MMA competition Chris switched his focus back to grappling and won the No-Gi Black Belt World Championships in 2013, 2014, and 2015 was also the 2014 Nogi Pan American Champion.

He made his UFC debut at UFC 16 in March 1998 and won via armbar submission in the first round.

As a professional MMA fighter has accumulated 21 wins including 18 first round submissions. he holds a 95% finish rate, amongst the highest in MMA.