UFC 137: Penn vs. Diaz

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.

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)