Welterweight bout: Nate Diaz vs. Marcus Davis
Diaz defeated Davis via technical submission (guillotine choke) at 4:02 of round 3.
Lightweight bout: Kenny Florian vs. Gray Maynard
Maynard defeated Florian via unanimous decision (30-27, 30-27, 29-28).
Middleweight bout: Demian Maia vs. Mario Miranda
Maia defeated Miranda via unanimous decision (30-27, 30-27, 30-27).
Heavyweight bout: Randy Couture vs. James Toney
Couture defeated Toney via submission (arm-triangle choke) at 3:19 of round 1.
Lightweight Championship bout: Frankie Edgar (c) vs. B.J. Penn
Edgar defeated Penn via unanimous decision (50-45, 50-45, 50-45).