The Ultimate Fighting Championship explodes in this event from Las Vegas's Mandalay Bay, as Matt Serra defends his UFC welterweight championship against fellow Ultimate Fighter coach Matt Hughes. Other bouts include Chuck Liddell finally facing Brazil's Wanderlei Silva in the light heavyweight category, Rich Clementi taking on Melvin Guillard, Machida battling Sokoudjou, and Eddie Sanchez squaring off against Soa Palelei.