THQ has released three new trailers and details on the Ground Game feature from UFC 2009 Undisputed, a game based on the renowned Ultimate Fighting Championship mixed martial arts organization and due to ship in Spring 2009, for Xbox 360, PS3 and mobile devices. Players will explore a deep roster of more than 80 top fighters in UFC competition across all five weight classes. In addition, they will enter the Octagon surrounded by the sport's popular commentators, announcers, referees, trainers, Octagon girls and more. Photorealistic models are at the forefront, as players will view amazing ripple effects across the faces and bodies of their fighters from the impact of devastating punches and kicks. Check the overview and download the trailers.