As painful as it might be to watch, this one is worth your while. The NFL's Top 10 Devastating Departures. Older pro football fans should remember all of these. Young ones consider this a history lesson. This countdown is chock full of Hall of Famers, past present and future. Yes Bill is in here...twice! Of course Art Modell moving his team to Baltimore made the list but was it the most devastating departure? Watch and find out.