NEW : George Huguely pleaded not guilty . Killer and victim were members of the college 's highly successful lacrosse teams . The prosecution says Huguely fatally injured Yeardley Smith during a game . The defense called the death a ` ` tragic '' accident .
NEW : George Huguely pleads not guilty . Suspect and victim were members of the college 's highly ranked lacrosse teams . The prosecution contends Huguely fatally injured Yeardley Love during a fight . The defense calls the death a `` tragic '' accident .