Pictures: UFC 109 'Relentless' Misc. Feb 9, 2010 Randy Couture and Chael Sonnen dominated their co-headlining bouts on Saturday at UFC 109 “Relentless.” Dave Mandel was cageside at the Mandalay Bay Events Center in Las Vegas to photograph the action for Sherdog.com. Next Gallery: Randy Couture Def. Mark Coleman » More info about UFC 109
