Eagles defense shines in training camp behind Jalen Carter's ferocious debut. Is Cooper DeJean still returning punts?

As temperatures reached into the 90s at Eagles training camp on Tuesday, Philadelphia decided to move practice an hour earlier in the day. However, Eagles quarterback Jalen Hurts and defensive coordinator Vic Fangio made it clear that they would not let the heat deter them.

If you're looking for real potential obstacles, here are a few. Don't worry about the defense's acclimation. Worry about its depth, especially at edge rusher, and cross your fingers that a committee system is used in the backfield. This team can't overwork Saquon Barkley as they did last season.

PFSN believes the Eagles’ biggest challenge in repeating will come on defense.

Training camps have kicked off around the NFL, and our team reporters are on the ground each day following all the action. The Philadelphia Eagles' camp is taking place in Philadelphia, and Eagles reporter Tim McManus has the latest intel on standouts,