Marion Barber III cause of death updates – Tributes to ex-Dallas Cowboy star flood in after NFL athlete's passing at 38
Marion Barber was much more than a bruising football player
Officials: Ex-Cowboys RB Marion Barber died of heat stroke - Fox Sports Texarkana
Former Cowboys RB Marion Barber III died of heat stroke, medical examiner says
Former NFL player Marion Barber dies at 38, Dallas Cowboys say
Former Dallas Cowboys Star Marion Barber III Dead At 38
Former Cowboys RB Marion Barber III's death caused by heat stroke, per officials
Former Dallas Cowboys Player Marion Barber III Dead at 38 - E! Online
Marion Barber III Found Dead: Former Pro Bowl Running Back For Dallas Cowboys Was 38