Former NFL defensive lineman made his MMA debut as a competitor on The Ultimate Fighter: Heavyweights.
He had brief stints playing for the Vikings and Giants after graduating from Purdue University in 2002.
He earned five of his first six UFC victories by way of knockout.
He had three children with his wife Tina Mitrione.
He defeated Kimbo Slice with a second round TKO at UFC 113.