Two-time UFC Heavyweight Champion who became the top-ranked fighter in the heavyweight class.
He was an NJCAA National Champion at Iowa Central Community College before transferring to Arizona State University.
He won back the UFC Heavyweight title with a unanimous decision victory over Junior dos Santos in September, 2012.
He married Michelle Valasquez in May 2011.
He defeated Brock Lesnar by TKO on October 23, 2010 to win the UFC Heavyweight title for the first time.