Watch UFC 100: Mir vs Lernar 2 | UFC 100: Mir vs Lernar 2 Preview

Two championships will be on the line when UFC® heavyweight title holder Brock Lesnar defends his crown against rival Frank Mir in their long-awaited grudge match, and UFC welterweight champion Georges “Rush” St-Pierre puts his belt up for grabs against Brazilian knockout artist Thiago “Pitbull” Alves. Also, The Ultimate Fighter coaches collide as Dan Henderson takes on Michael “The Count” Bisping in a pivotal middleweight showdown.