Ariel Helwani of is featuring an interview with former WWE star CM Punk (Phil Brooks) discussing the announcement on Saturday that he has agreed to a multi-fight contract with UFC. Punk talks about plans for his debut in 2015, how long he has been thinking about doing this, the reception among UFC fighters, critics and more.

MMAFighting: CM Punk discusses decision to leave WWE for UFC, his MMA debut, critics, more