Interviews - UFC 131 - Dos Santos vs. Carwin - Get more MMA and UFC news at the World's top MMA News website http://www.mmaweekly.com. First his fight with UFC heavyweight champion Cain Velasquez was called off, and then it happened again with Brock Lesnar. But thanks to Shane Carwin stepping up at the last minute Junior dos Santos will still get a fight at UFC 131 and that's just what he wanted. The big Brazilian didn't want to sit an wait, he's a fighter and fighting is what he wants to do.