Sergio Pettis, the brother of current UFC Lightweight Champion Anthony Pettis, has signed a contract with the UFC and will make his debut at UFC 167 against an opponent to be announced. Pettis is currently undefeated as a professional MMA fighter, with a record of 8-0-0, with notable victories coming over Jimmy Jones, Dillard Pegg and James Porter. While his debut is set for UFC 167, Pettis’s opponent has yet to be named and should be named shortly.