The Patriots and Colts have lived up to their promise. The Cowboys, Steelers and Packers have, to varying degrees, exceeded expectations. That takes care of the 3-0 teams. But what about the supposedly elite teams who have underachieved this season? Specifically, we’re talking about the Chargers, Bears and Saints, who were considered not only playoff locks, but teams that could make deep postseason runs. How quickly do you jump off their respective bandwagons?