Event name: UFC 137: Penn vs. Diaz
Date: October 29, 2011
Location: Las Vegas, Negas
Venue: Mandalay Bay Events Center
Broadcast: Pay-per-view (9pm ET)
MAIN CARD (PPV)
■BJ Penn vs. Nick Diaz
■Matt Mitrione vs. Cheick Kongo
■Mirko Cro Cop vs. Roy Nelson
■Hatsu Hioki vs. George Roop
■Jeff Curran vs. Scott Jorgensen
PRELIMINARY CARD (Spike TV)
■Dennis Siver vs. Donald Cerrone
■Bart Palaszewski vs. Tyson Griffin
PRELIMINARY CARD (Facebook)
■Brandon Vera vs. Eliot Marshall
■Ramsey Nijem vs. Danny Downes
■Francis Carmont vs. Chris Camozzi
■Dustin Jacoby vs. Clifford Starks