Nick Diaz
Self
B.J. Penn
Self
Cheick Kongo
Self
Matt Mitrione
Self
Roy Nelson
Self
Mirko Filipović
Self
UFC 137: Penn vs. Diaz
2011
NR
2 h 51 min
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.