Tebow prevails, Barber fails
Officials say former Dallas Cowboys, Chicago Bears running back Marion Barber III died of heat stroke - ESPN
Why have NFL obituaries become so unfeeling?
2009 Dallas Cowboys have plenty in common with 1991 team, which turned out to be the foundation of a Super Bowl dynasty. - ESPN
What Was Marion Barber III's Cause of Death? Details
Former Dallas Cowboys Running Back Marion Barber III Dead at 38
Marion Barber III Dead: Former Dallas Cowboys Pro Bowl Running Back For Was 38 – Deadline
Dallas Cowboys 2011 Preview - ESPN
Marion Barber III - Wikipedia
Down And Shut Out, Redskins Fall to Cowboys 17-0
Past/Present: Romo among 15 former Cowboys listed as HOF nominees