MMA

Junior Dos Santos, of Brazil, smiles after defeating Shane Carwin, of Greeley, Colo., in the main event heavyweight bout at UFC 131, Saturday, June 11, 2011, in Vancouver, British Columbia. (AP Photo/The Canadian Press, Darryl Dyck)

Junior Dos Santos, of Brazil, smiles after defeating Shane Carwin, of Greeley, Colo., in the main event heavyweight bout at UFC 131, Saturday, June 11, 2011, in Vancouver, British Columbia. (AP Photo/The Canadian Press, Darryl Dyck)