Would it be the loss of LeGarrette Blount, the top running back? The loss of tight end Trey Burton, who threw the "Philly Special" pass?
Not even close. The Eagles got multi-back Darren Sproles back and they drafted tight end Dallas Goedert in the second round.
The biggest obstacle won't be on the field. It will be on the sidelines, in the meeting rooms and on the practice fields. It will be overcoming the departures of offensive coordinator Frank Reich and quarterbacks coach John DeFilippo.
In fact, the assemblage of players that kick off the season Sept.