Live from the Mandalay Bay Events Center in Las Vegas, NV., UFC presents UFC 109: Relentless. The card is as follows:

Preliminaries (not airing on TV): Rolles Gracie (247) vs Joey Beltran (238); Chris Tuchscherer (263) vs Tim Hague (263); Phil Davis (205) vs Brian Stann (205); Rob Emerson (155) vs Phillipe Nover (155)

Preliminaries (airing on Spike TV): Ronys Torres (156) vs Melvin Guillard (155); Justin Buchholz (156) vs. Mac Danzig (156)

Main card (airing on PPV): Dan Miller (185) vs Demian Maia (186); Frank Trigg (171) vs Matt Serra (169); Paulo Thiago (170) vs Mike Swick (171); Chael Sonnen (185) vs Nate Marquardt (186); Mark Coleman (205) vs. Randy Couture (205)