CM Punk infamously stepped into the Octagon on two occasions, with neither going particularly well. He was choked out in the first round against Mickey Gall in September 2016 and lost a decision, which was later overturned to a no contest due to a failed marijuana test, to Mike Jackson in June 2018.

The animosity between WWE stars Seth Rollins and CM Punk, a rivalry that has unfolded both inside and outside the squared circle, could potentially extend into a completely different combat sport. During a recent appearance on the Ouitta Pocket with RGIII podcast,