February 4, 2012 at the Mandalay Bay Events Center in Las Vegas, Nevada.
Main card
Interim Welterweight Championship bout: Nick Diaz vs. Carlos Condit
Heavyweight bout: Roy Nelson vs. Fabricio Werdum
Welterweight bout: Josh Koscheck vs. Mike Pierce
Bantamweight bout: Renan Barão vs. Scott Jorgensen
Middleweight bout: Ed Herman vs. Clifford Starks
FX Preliminary card
Middleweight bout: Rafael Natal vs. Michael Kuiper
Bantamweight bout: Alex Caceres vs. Edwin Figueroa
Welterweight bout: Matt Riddle vs. Jorge Lopez
Welterweight bout: Matt Brown vs. Chris Cope
Welterweight bout: Justin Edwards vs. Mike Stumpf
Featherweight bout: Dustin Poirier vs. Max Holloway