JosinaAnderson on X: I'm told it is true that former #Cowboys and #Bears RB Marion Barber III has passed away, per league source. Barber was 38. May his soul Rest In Peace.
Former Dallas Cowboys Star Marion Barber III Dead At 38
Former Dallas Cowboys RB Marion Barber III found dead aged just 38
Dallas Cowboys former RB Marion Barber dies, team says
Former NFL Running Back Marion Barber Died of Heat Stroke – NBC 5 Dallas-Fort Worth
Former Cowboys and Bears running back Marion Barber III found dead at Frisco apartment
Former Chicago Bears RB Marion Barber's cause of death revealed
Officials: Former Bears RB Marion Barber died of heat stroke
Marion Barber III Dead: Former Dallas Cowboys Pro Bowl Running Back For Was 38 – Deadline
Former Cowboys, Bears RB Marion Barber III Dies