Here are the results from yesterday's UFC 109: Relentless pay-per-view from Las Vegas, NV.

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

Preliminaries (aired on Spike TV): Melvin Guillard (155) defeated Ronys Torres (156); Mac Danzig (156) defeated Justin Buchholz (156)

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