Former Gophers star Marion Barber III died from accidental heat stroke
Marion Barber III's Cause of Death: NFL Played Died of Heatstroke
Former Dallas Cowboys RB Marion Barber died of heat stroke, according to medical examiner
Extreme Heat Workout Habit Killed Marion Barber
Former Dallas Cowboys star Marion Barber III died from heat stroke: Medical examiner - ABC News
Ex-Cowboys running back Marion Barber III died of heat stroke
Marion Barber News, Photos, Quotes, Video
Marion Barber III - Wikipedia