http://www.askmen.com/sports/bodybuildin...
He made his pro debut in Oct 2006, so that would mean that he'd had roughly a year or more of MMA training, on top of his years of wrestling. He'd been a two-time Arizona State high-school champ, a Junior College champ, and placed in the top ten in 2005 and 2006, which no doubt helped him transition into MMA.