CM Punk made his life work selling feuds. He knows what sells fights - personal narratives that the audience can get caught up in. As such, you can expect an almost 'storyline' element to Punk's MMA career. The first story is the initial fight, but the follow up will almost certainly be something built around a feud. There's plenty of fighters calling Punk out, because they know they'll make good money by being featured with him. For Punk's second fight, UFC will likely use one of these personal call outs. Have someone call Punk a phoney and ensue with a war of words where Punk looks to prove himself. A personal feud between CM Punk and fighter X in the UFC is sure to be money.