So says Odds Shark:

The Eagles are 11-3 SU and ATS in their last 14 games in the preseason.

The total has gone UNDER in four of the Eagles’ last five games in the preseason.

The Eagles are 9-2 SU and ATS in their last 11 games in the preseason as favorite.

The total has gone UNDER in five of the Eagles’ last six games in the preseason as favorite.

The Eagles are 9-27 SU in their last 36 games in the preseason as underdog.

The total has gone OVER in 10 of the Eagles’ last 14 games in the preseason as underdog.

https://www.oddsshark.com/nfl/nfl-preseason-betting-primer