Shane Bannister Carwin^[4] (born January 4, 1975) is an American mixed martial artist who competes in the heavyweight division of the Ultimate Fighting Championship (UFC), where he was previously the UFC Interim Heavyweight Champion. He won his first 12 MMA fights in the first round which led to his Heavyweight Championship shot at UFC 116 against then-champion Brock Lesnar, which became his first career loss. As of March 21, 2011, he is ranked as the #5 heavyweight fighter in the world by Sherdog.^[5]