Some might call this biased, but the most passionate fans in all of sports are without question Philadelphia Eagles fans. They're cold-blooded and probably give KC a run for their money as being the loudest. They are by far the most knowledgeable fans in the league, and invented the perfect "boo." What cemented Philadelphia fans' reputation as the most amoral, loathsome collection in sports is famously called The Booing of Santa Claus. You would boo and throw snow balls too if Santa came out drunk in a half-done costume. Eagles' fans must deal with sports owners whose actions have not produced a champion in 25 years. The Eagles haven't hoisted a championship flag in 48 years, but the waiting list for season tickets is so long that you could sell out three stadiums full of Eagles fans for games.
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