Boxer and MMA fighter who competed at the amateur and professional level. He is infamous for his extensive arrest record, having been arrested on a variety of charges including weapon possession and domestic violence.
He played college football at Notre Dame, where he frequently butted heads with coach Lou Holtz.
He has been a staunch advocate of the athletic performance enhancer Stevia.
He has sons named Kyle and Ryan.
He was defeated by Frank Mir via triangle choke on August 31, 2001.