Former Dallas Cowboy Marion Barber III died from heatstroke
Cowboys say former running back Marion Barber dead at 38 - The
Former Cowboys, Bears RB Marion Barber III Died of Heatstroke, Per
Why have NFL obituaries become so unfeeling?
NFL Player Marion Barber's Cause of Death Revealed - E! Online - CA
Former Dallas Cowboys running back Marion Barber dead at 38
Marion Barber dead at 38 - Former Dallas Cowboys star 'found dead