Description: April 10, 2010 Yas Island - The Ultimate Fighting Championship travels to Abu Dhabi for UFC 112, and on board for this event are two of the best pound-for-pound fighters in the world. Middleweight champion Anderson Silva and lightweight champ BJ Penn defend their titles against top contenders Demain Maia and Frankie Edgar. Also, two legends meet for the first time, as Matt Hughes takes on Renzo Gracie in a battle for pride and honor.