UFC 137: Penn vs. Diaz (2011)
UFC 137: Penn vs. Diaz was a mixed martial arts event held by the Ultimate Fighting Championship on October 29, 2011 at Mandalay Bay Events Center in Las Vegas, Nevada.
Released: Oct 29, 2011
Runtime: 171 minutes
Genre:
Stars: Nick Diaz, B.J. Penn, Cheick Kongo, Matt Mitrione, Roy Nelson, Mirko Filipović
Crew:
