Phillip Jack Brooks, better known by the ring name CM Punk, is an American professional wrestler, sports commentator, actor, and retired mixed martial artist, currently signed to World Wrestling Entertainment (WWE), best known for his influential WWE career, highlighted by his era-defining rivalry with John Cena. Brooks began his professional wrestling career in 1999 on the independent circuit, most notably with Ring of Honor (ROH), where he won the ROH World Championship once. He signed with W...