UFC 109 Relentless: Results and Video

Main card
Welterweight bout: Matt Serra vs. Frank Trigg
Serra defeated Trigg via KO (punches) at 2:23 of round 1.

Middleweight bout: Demian Maia vs. Dan Miller
Maia defeated Miller via unanimous decision (30-27, 29-28, 29-28).

Welterweight bout: Mike Swick vs. Paulo Thiago
Thiago defeated Swick via submission (d’arce choke) at 1:54 of round 2.

Middleweight bout: Nate Marquardt vs. Chael Sonnen
Sonnen defeated Marquardt via unanimous decision (30-27, 30-27, 30-27).

Light Heavyweight bout: Randy Couture vs. Mark Coleman
Couture defeated Coleman via submission (rear naked choke) at 1:09 of round 2.

Watch Full event here.