Sergio Pettis, the undefeated younger brother of UFC lightweight champion Anthony Pettis, will make his Octagon debut this November against Vaughan Lee at UFC 167.

Officials announced the bout recently for November 16 from Las Vegas. Georges St-Pierre defends his UFC welterweight title in the main event against Johny Hendricks.

Pettis (9-0) is coming off a recent submission win. Lee, meanwhile, is 13-9-1 in his career and 2-3 in the UFC.