UFC 109: ‘Relentless’ is scheduled for Saturday, February 6 at Mandalay Bay in Las Vegas, NV. The Main Event will feature Randy Couture taking on Mark Coleman plus Nate Marquardt vs Chael Sonnen and Matt Serra will battle Frank Trigg.

Main event:

Mark Coleman vs. Randy Couture

Main card (Televised):

Nate Marquardt vs. Chael Sonnen
Paulo Thiago vs. Mike Swick
Demian Maia vs. Dan Miller
Matt Serra vs. Frank Trigg

Under card (May not be broadcast):

Mac Danzig vs. Justin Buchholz
Melvin Guillard vs. Ronys Torres
Phillipe Nover vs. Rob Emerson
Brian Stann vs. Phil Davis
Tim Hague vs. Chris Tuchscherer
Rolles Gracie vs. Joey Beltran

Official UFC 109 RELENTLESS website