UFC 137: ST-PIERRE VS. CONDIT

Unbeaten for over four years, UFC welterweight champion Georges St-Pierre has ruled the 170-pound division with an iron fist, defeating the likes of Matt Hughes, BJ Penn, Jon Fitch, Jake Shields, and Thiago Alves along the way. He will face his toughest challenge to date in "The Natural Born Killer," Carlos Condit. A former WEC champion, Condit has won four in a row, including consecutive knockouts of Rory MacDonald, Dan Hardy, and Dong Hyun Kim. In the main event of UFC 137, the true welterweight king will be crowned.

Plus, a new challenger for the winner of the main event may be anointed when former two-division world Champion BJ Penn squares off with the always compelling Strikeforce 170-pound titleholder, Nick Diaz. UFC 137.