King Green is an American professional mixed martial artist. He currently competes in the Lightweight division in the Ultimate Fighting Championship (UFC). A professional competitor since 2008, Green is the former King of the Cage Lightweight Champion and Junior Welterweight Champion, and in addition he has also competed in Tachi Palace Fights, Strikeforce, and Affliction. As of April 16, 2024, he is #15 in the UFC lightweight rankings