CM Punk retired from UFC competition as he returns to professional

CM Punk has officially put an end to his mixed martial arts career after notifying the UFC of his retirement as he returns full time to professional wrestling.

CM Punk confirms WWE retirement: It feels good, I can paint chairs now, The Independent

Update On CM Punk's UFC Status Following WWE Return - WrestleTalk

What was CM Punk's decision to leave the wrestling business and join the Ultimate Fighting Championship (UFC) instead of staying in WWE? Does he regret this decision? - Quora

CM Punk in serious talks with WWE & a 'Safe Bet' for Survivor Series appearance

CM Punk - Wikiwand

CM Punk Returns, Andrade to Make Wrestling Comeback & More: WWE RAW 03/25 Preview and Predictions - EssentiallySports

UFC 203 results: Mickey Gall clobbers CM Punk, calls out Sage Northcutt - MMA Fighting

Bryan Danielson Discusses CM Punk's AEW Departure & WWE Return - WrestleTalk

CM Punk should retire all these wrestlers had worse injuries than Punk and came back fine. Punk will be fine : r/Wrasslin

Why CM Punk Signing With WWE Isn't As Crazy As It Seems