PHILADELPHIA -- As the Philadelphia Eagles begin their final week of offseason practices before training camp opens in late July, we have learned some things about the Doug Pederson era.

The return to NFL orthodoxy is going to be good for everyone. It has been compelling to hear players like Lane Johnson, Jordan Matthews and Nelson Agholor talk enthusiastically about the way Pederson’s offense will operate.

These are players whose entire NFL careers have been with coach Chip Kelly, so they have no other perspective. They were immersed in Kelly’s uptempo offense, with its slim playbook and specific principles, and are now learning a whole new way of doing things.

For them, Kelly’s ways might as well have been the norm. Pederson could be the outlier.

But those players are excited by what they’ve seen so far. Johnson talked about how valuable it is to vary snap counts and add a moment’s hesitation to the defenders lined up across from him. Agholor and Matthews are enthused by the number of offensive plays and the variations within those plays -- giving them new tools to use as they try to get open against various coverages.

For the defensive players, the benefits won’t really become clear until the games start. They won’t lead the NFL in number of plays they have to defend. They will get to operate like a normal NFL defense.

The quarterback situation is under control. Pederson and Howie Roseman, the Eagles’ executive vice president of football operations, had a plan in mind. They would start Sam Bradford, sign Chase Daniel for his thorough knowledge of Pederson’s offense, then do their best to move up in the draft for a quarterback of the future.

Bradford’s reaction to the trade that landed Carson Wentz changed the conversation. He walked away from the NovaCare Complex and asked to be traded. If that situation wasn’t handled correctly, it could have torpedoed the entire plan.

But Pederson and Roseman maintained public support for Bradford. In turn, Bradford realized he had no leverage when a trade was not in the works. He returned to work and has conducted himself as professionally as his contract suggests he should. Wentz, the eager rookie from North Dakota State, slid seamlessly into the quarterback meeting room.

There is still a long way to go. Injuries, poor performances and public pressure could still force Pederson to adjust his plan. But going into training camp, at least, everything is about as fine as it could be.

There is a concern about the lack of big-time playmakers, but there are also a few reasons for hope. During Kelly’s reign, the Eagles discarded offensive stars DeSean Jackson, LeSean McCoy, Jeremy Maclin, and even quarterbacks Michael Vick and Nick Foles. The players who have been added have not attained the performance levels of the players who have been subtracted.

But Matthews, Agholor, tight end Zach Ertz and running back Ryan Mathews have only played in Kelly’s offense during their Eagles careers. It may be that Kelly’s offense had some limitations in that regard.

Yes, McCoy and Jackson had productive seasons for Kelly. But DeMarco Murray went from leading the NFL in rushing to being a liability. Matthews and Agholor have not had breakout seasons.

Pederson’s offense, which uses some West Coast principles while incorporating a spread-offense concept, may give all of the current players the opportunities they need to be effective.

Ertz could put up the kind of numbers Travis Kelce has posted in Kansas City. Mathews could get the kind of work Jamaal Charles has with the Chiefs. Matthews and Agholor could emerge as featured receivers, the way Jackson and Terrell Owens once did under Andy Reid in Philadelphia.

We’re talking potential here. There is still work to be done to realize that potential. It will help a lot if Bradford or Wentz can go out and play like a franchise quarterback. That will help everyone else on the offense play their best.

The Pederson era remains a work in progress, but already some real progress has been made.