Cowboys–Eagles rivalry - Wikipedia
Why the Eagles are still the Dallas Cowboys most hated rival
Rooted In Rivalry: Redskins And Eagles
How Did the Eagles Become the Cowboys' Biggest Rival? – NBC 5 Dallas-Fort Worth
New York Giants: Washington rivalry fun again
Rivalries: Giants-Eagles is big, but not the biggest - Big Blue View
Rooted In Rivalry: Redskins And Eagles
Rooted In Rivalry: Redskins And Eagles
Cowboys were born to be the Eagles' (and everyone else's) rival
Cowboys and Redskins: Hail Victory!
Rivalries: Giants-Eagles is big, but not the biggest - Big Blue View
Rooted In Rivalry: Redskins And Eagles
Eagles–Commanders rivalry, American Football Wiki