Live Chat: UFC 181 Results, CM Punk To UFC Discussion, UFC On FOX 13 Preview

UFC 181 results are in the books, former WWE star CM Punk is in the UFC and UFC on FOX 13: Junior dos Santos vs. Stipe Miocic is Saturday. It's a busy week in mixed martial arts. We'll also talk Robbie Lawler beating Johny Hendricks, Anthony Pettis stopping Gilbert Melendez and a whole lot more.