CM Punk

CM Punk, the legendary WWE and AEW professional wrestler, attempted to prove his combat credentials in mixed martial arts by joining the UFC in 2016 at 38 years old. Making his octagon debut at UFC 203, he faced Mickey Gall and was submitted in the first round via rear-naked choke, a stark introduction to the technical demands of elite MMA. The loss marked the beginning of a brief and unsuccessful two-year run in the promotion.

Punk's striking was ineffective and his grappling defense poor. UFC statistics from his fights reveal a fighter who landed significant strikes at a low rate, absorbed strikes consistently, and failed to land takedowns despite multiple attempts. His second bout came two years later against journeyman Mike Jackson at UFC 225, where Punk earned a split decision victory. However, this win was overturned to a no-contest following a failed drug test, leaving his official record at 0-1-0.

After retiring from MMA in August 2021, Punk has reflected candidly on the gap between stardom in professional wrestling and the technical rigor required in combat sports. He later commented on Ronda Rousey's comeback announcement, noting from experience that fighting at an older age without recent competition is "not the easiest thing to do." His MMA venture remains a cautionary tale about crossing over from one combat discipline to another, and he has since resumed his primary career in professional wrestling and acting.