Marion Barber III's Cause of Death: NFL Played Died of Heatstroke
Former Cowboys RB Marion Barber III died of heat stroke, per autopsy
Marion Barber, former Dallas Cowboys running back, dead at 38: report
Former Golden Gophers Star Running Back Marion Barber III Dies At 38
Former Cowboys, Bears RB Marion Barber III's death caused by heat stroke, per report
Terence Newman on last Marion Barber encounter: 'I was scared'
Marion Barber death: Former Dallas Cowboys player found dead, aged 38
Marion Barber III's cause of death revealed - A to Z Sports
Reports Reveal Former Dallas Cowboys RB Marion Barber III Died Due to This Condition - EssentiallySports