UFC 109: Relentless was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on February 6, 2010 at the Mandalay Bay Events Center in Las Vegas, Nevada.
Released: Feb 06, 2010
Runtime: 163 minutes
Genre:
Stars: Randy Couture, Mark Coleman, Chael Sonnen, Nate Marquardt, Paulo Thiago, Mike Swick
Crew: Frank Fertitta III (Executive Producer), Lorenzo Fertitta (Executive Producer), Dana White (Executive Producer), Craig Borsari (Production Supervisor), Bruce Connal (Producer), Joe Silva (Casting)