Former Dallas Cowboys running back Marion Barber found dead at 38 - On3
Marion Barber, former Cowboys running back, dies at age 38; NFL world mourns loss
Marion Barber's furious running style left an impact on the Cowboys
Ex-Cowboys RB Marion Barber III died of heat stroke, authorities say
Marion Barber III's cause of death revealed - A to Z Sports
Former Cowboys RB Marion Barber dies at 38
NFL Player Marion Barber III's Cause of Death Released After Sudden Passing at 38, Marion Barber III, RIP
Former Bears running back Marion Barber III died of heat stroke, officials say – NBC Sports Chicago
Former Cowboys RB Marion Barber Found Deceased – NBC 5 Dallas-Fort Worth