Diego Ferreira is looking to put on a war at UFC Vegas 120. Ferreira is set to take on Billy Quarantillo at lightweight in the co-main event of UFC Vegas 120. It’s a fan-friendly fight, and Ferreira is just excited to get back into the Octagon after nearly a year away. Ferreira is set to take on Quarantillo, who’s set to make his lightweight debut. Diego Ferreira looking to put on a showInstead, Diego Ferreira is just focusing on beating Billy Quarantillo at UFC Vegas 120.