Former MMA fighter known for his powerful looping punches. He captured the WEC Lightweight Championship and was a contender for the UFC Lightweight Championship. He was forced into retirement in 2011 after being fired from the MFC and deported due to multiple charges of sexual assault.
He made his pro debut in 2001, defeating Mike Brown in a small promotion; Brown would go on to become a WEC featherweight champion.
His TKO victory over Spencer Fisher earned him a Fight of the Night bonus.
He has one son with his wife.
He submitted Nate Diaz by armbar at WEC 24 to retain the WEC lightweight belt.