Former Dallas Cowboy Marion Barber III died from heatstroke
Dallas Cowboys Ex Marion Barber Death Result of Heat Stroke, Says
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Marion Barber III - Wikipedia
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Ex-Cowboys star Marion Barber III died of heat stroke and
Former NFL player Marion Barber's cause of death revealed to be
Former NFL star Marion Barber III dies of heatstroke, police say
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Former Dallas Cowboys star Marion Barber III died from heat stroke
Former Dallas Cowboys RB Marion Barber III died of heat stroke
Dallas Cowboy's Death Reveals Risk of Heat Stroke – NBC 5 Dallas