NFL notebook: Former Cowboys running back Marion Barber found dead
Cowboys say former running back Marion Barber dead at 38
Who was Marion Barber and what was his cause of death?
Report: Family says cause of Marion Barber III's death unknown
Marion Barber III cause of death updates – Tributes to ex-Dallas
Oh Brother Where Art Thou
Monday's NFL: Ex-Cowboys RB Marion Barber died of heat stroke
Ex- Cowboys RB Marion Barber found dead in apartment: report
Another defensive flop – The Denver Post
Former Dallas Cowboys RB Marion Barber died of heat stroke
Cowboys set to unload Marion Barber - National Football Post