Score: 68%( 5 votes )

Overview: 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.

Cast:

Nick Diaz
Self

B.J. Penn
Self

Cheick Kongo
Self

Matt Mitrione
Self

Roy Nelson
Self

Mirko Filipović
Self

Scott Jorgensen
Self

Jeff Curran
Self

Hatsu Hioki
Self

George Roop
Self

Donald Cerrone
Self

Dennis Siver
Self

Bart Palaszewski
Self

Tyson Griffin
Self

Brandon Vera
Self

Eliot Marshall
Self

Ramsey Nijem
Self

Danny Downes
Self

Francis Carmont
Self

Chris Camozzi
Self

Clifford Starks
Self

Dustin Jacoby
Self