Former WWE champion CM Punk had made the announcement last night that's signed a contract to fight in the UFC.

CM Punk appeared ringside with UFC commentator Joe Rogan, saying “I have a limited window like all fighters do, and I’m here for a fight… This is my new career, 100%.”

As of right now, it's not known when his debut will be, but we'll let you know when hear something!

How do you think he'll do in the UFC?