UFC 109: Relentless 6th February 2010 Mandalay Bay Events Center, Las Vegas, Nevada Attendance: 10,687 Main PPV: Matt Serra vs. Frank Trigg Demian Maia vs. Dan Miller Prelim: Brian Stann vs. Phil Davis Mike Swick vs. Paulo Thiago Nate Marquard... (more)t vs. Chael Sonnen Randy Couture vs. Mark Coleman Prelim: Rolles Gracie vs. Joey Beltran Spike-TV Prelims: Melvin Guillard vs. Ronnys Torres Mac Danzig vs. Justin Buchholz DVD Only Prelims: Tim Hague vs. Chris Tuchscherer Phillipe Nover vs. Rob Emerson