UFC 137 Fight Card

B.J. Penn (No. 9 WW) vs. Nick Diaz (No. 5 WW)
Cheick Kongo vs. Matt Mitrione
Hatsu Hioki vs. George Roop
Mirko Filipovic vs. Roy Nelson
Jeff Curran vs. Scott Jorgensen
Dennis Siver vs. Donald Cerrone
Bart Palaszewski vs. Tyson Griffin
Brandon Vera vs. Eliot Marshall
Daniel Downes vs. Ramsey Nijem
Francis Carmont vs. Chris Camozzi
Dustin Jacoby vs. Clifford Starks