Former Cowboys, Bears RB Marion Barber III's death caused by heat stroke, per report
Former Cowboys RB Marion Barber Dies at 38 - Sports Illustrated
Former Dallas Cowboys running back Don Perkins dead at 84, Trending
Cowboys' Marion Barber's brain will not be donated for CTE
Former Gophers RB Marion Barber found dead at 38 North News - Bally Sports
Former Dallas Cowboys star Marion Barber III died from heat stroke: Medical examiner - ABC News
Former Dallas Cowboys RB Marion Barber found dead. He was 38
Texas medical examiner: Marion Barber III died from heat stroke
Gavin Escobar, former Dallas Cowboys tight end, dead at 31
Former Cowboys Player Marion Barber Found Dead in His Texas Apartment (UPDATE)