Marion Barber: Former Dallas Cowboys' running back has died at age 38, team says
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Former NFL Running Back Marion Barber Dead at 38
Former Dallas Cowboy Marion Barber III died from heatstroke, officials say
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Shock as former NFL star Marion Barber III dies of unknown causes aged 38 « Euro Weekly News
Former Dallas Cowboys Player Marion Barber III Dead at 38
Marion Barber III's cause of death revealed - A to Z Sports