Eagles fans swarm Lincoln Financial Field in dog masks for NFC Championship (PHOTOS)
IBX Sponsors Underdog masks for Eagles Fans
When Philadelphia Eagles' Greg Ward and Baltimore Ravens' Lamar Jackson last squared off, game wasn't close
Philadelphia's core four: Brandon Graham, Jason Kelce, Fletcher Cox and Lane Johnson define Eagles
Eagles encouraging fans to wear creepy dog masks to NFC Championship Game
Eagles fans are doggone crazy for those creepy underdog masks
Why the Eagles are wearing dog masks - The Washington Post
Why Do Eagles Fans Wear Dog Masks? - Thrillist
Eagles underdog masks quickly sell out on