Born on Dec. 17, 1969 in Santa Barbara, California. He is an American MMA and former UFC light heavyweight champion. He is tied with Tito Ortiz for the most fights in UFC history, 22 fights. This UFC Hall of Famer was in Dancing With the Stars in 2009.

Won a decision over Noe Hernandez at UFC 17

Won a decision over Jose Landi-Jons at IVC 6

Lost to Jeremy Horn at UFC 19

Submitted Kenneth Williams at NG 11

Knocked out Paul Jones at UFC 22

Knocked out Steve Heath at IFC WC 9

won a decision over Jeff Monson at UFC

Knocked out Kevin Randleman at UFC 31

Knocked out Guy Mezger at Pride 14

won a decision over Murilo Bustamante at UFC 33

won a decision over Amar Suloev at UFC 35

won a decision over Vitor Belfort at UFC 37

knocked out Renato Sobral at UFC 40

He was knocked out by Randy Couture at UFC 43

knocked out Alistair Overeen at Pride Total Elimination

lost to Quinton Jackson at Pride Final Conflict

Knocked out Tito Ortiz at UFC 47

knocked out Vernon White at UFC 49

Knocked out Randy Couture at UFC 52

defeated Jeremy Horn at UFC 54

Knocked out Randy Couture at UFC 57