chuck liddell

(born December 17, 1969) is a retired American

and former

. Liddell has an extensive

background in

, Koei-Kan karate and

, as well as a

background in collegiate

and

.

Liddell holds the record with the most knockouts in UFC history at thirteen. Liddell had 23 fights in the UFC, and along with

, is widely credited for bringing mixed martial arts into the mainstream of American sports and entertainment.

On July 10, 2009, he was inducted into the

.