Former Dallas Cowboys RB Marion Barber III died of heat stroke
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Marion Barber III's cause of death revealed - A to Z Sports
Former Dallas Cowboys running back Marion Barber III dies aged 38, NFL
REPORT: Former Cowboys Star Marion Barber Died From Heat Stroke
Cowboys Star Marion Barber III Death Reportedly Due To A Heat Stroke
Report: Marion Barber cause of death revealed as heat stroke - On3
Former NFL player Marion Barber's cause of death revealed to be heat stroke
Former Cowboys, Bears RB Marion Barber III's death caused by heat stroke, per report
NFL Player Marion Barber III's Cause of Death Released After Sudden Passing at 38, Marion Barber III, RIP
Marion Barber III's Cause of Death Revealed: Coroner