Stephen "Wonderboy" Thompson is an American professional mixed martial artist fighting out of the Welterweight division of the UFC. He is currently ranked #1 in the official UFC Welterweight rankings. He has been awarded "Performance of the Night" three times as well "Fight of the Night" and "Knockout of the Night" once each respectively . Prior to the UFC, Stephen fought as a professional full-contact kickboxer and has never been defeated in 94 matches with 40 wins by knockout. His career professional MMA record is (13-2-1).