CM Punk Says Training For His UFC Debut Is Becoming Frustrating

CM Punk recently spoke with Rolling Stone, where he explained why the MMA training he has been doing in preparation for his upcoming UFC debut is becoming frustrating."I'm always a little bit frustrated, because it's just repetition to get muscle memory down so I'm not making the same mistakes," said Punk. "I think it's a lot harder than people realize. You're re-learning this entirely new skillset and trying to condition your body to do things it wouldn't normally do. It's challenging and it's