Chael Sonnen and FloSports present Submission Underground 2 LIVE on FloGrappling.com Sunday, Dec. 11, at 2:30 p.m. PT. A submission-only grappling event, SUG 2 brings the world's best grapplers and mixed martial artists together to determine the best submission fighters in the world. There are no ties and no draws. One person wins and one person loses every matchup.

Mason Fowler will be defending his belt for the third time against Bellator heavyweight champion and former light heavyweight champion Ryan Bader. A former NCAA wrestling standout, Bader presents a different challenge than previous defenses. Also on the card, Craig Jones will face Vinny Magalhaes, who are both decorated Brazilian Jiu-Jitsu practitioners, along with former judo Olympic gold medalist Satoshi Ishii. Fowler won all of his previous defenses in the overtime ruleset.