October 8, 2011, at the Toyota Center in Houston, Texas.
Main card
Lightweight Championship bout: Frankie Edgar (c) vs. Gray Maynard
Featherweight Championship bout: José Aldo (c) vs. Kenny Florian
Middleweight bout: Chael Sonnen vs. Brian Stann
Heavyweight bout: Dave Herman vs. Mike Russow
Lightweight bout: Melvin Guillard vs. Joe Lauzon
Preliminary card
Middleweight bout: Demian Maia vs. Jorge Santiago
Lightweight bout: Anthony Pettis vs. Jeremy Stephens
Heavyweight bout: Joey Beltran vs. Stipe Miocic
Middleweight bout: Aaron Simpson vs. Nick Catone
Middleweight bout: Steve Cantwell vs. Mike Massenzio
Featherweight bout: Matt Grice vs. Nam Phan
Featherweight bout: Zhang Tie Quan vs. Darren Elkins