The Philadelphia Eagles versus Dallas Cowboys rivalry exists even during the NFL offseason.
The 2018 Super Bowl champions recently submitted a league resolution proposal that would attempt to rectify an unfair advantage that the Cowboys (and Detroit Lions) currently posses. Here’s the proposal (hat tip to Pro Football Talk):
Withdrawn, By Philadelphia; to continue the annual tradition of having Dallas and Detroit play on Thanksgiving, provided that one of those clubs host a home game with the other club playing away, and alternating home and away games each subsequent season.