Eagles fans are buying out 's inventory of underdog masks

Yay, the Eagles! Ugh, the Patriots? - WSJ

Super Bowl Prediction: Patriots Have Edge Over 'Underdog' Eagles - The New York Times

Philly Underdog Face Masks for Sale

Eagles allowing fans to wear underdog masks at NFC Championship Game

This Is Why Super Bowl Fans in Philadelphia

Why the Eagles are wearing dog masks - The Washington Post

MOLEZU Halloween German Shepherd Dog Head Mask,Novelty Party Costume Super Bowl Underdog (Coffee) : Clothing, Shoes & Jewelry

Eagles encouraging fans to wear creepy dog masks to NFC Championship Game

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NFL playoffs: Philadelphia Eagles fans embrace underdog role - ESPN - Philadelphia Eagles Blog- ESPN