Manny Gamburyan has suffered an injury and he is off UFC On Fox 15, replacing him against Aljamain Sterling will be Takeya Mizugaki. Sterling is currently undefeated in UFC competition and he is a former Cage Fury Fighting Championships Bantamweight Champion. Mizugaki has won five of his last six fights, with that lone loss coming to former UFC Bantamweight Champion Dominick Cruz. UFC On Fox 15 takes place on April 18th from the Prudential Center in Newark, New Jersey with Lyoto Machida and Luke Rockhold headlining.