9. Philadelphia, Pennsylvania (9.9%)

Diehard fans of the NFL’s Philadelphia Eagles are notorious for their rude behavior. They’ve built this reputation over multiple decades of highly questionable conduct in and around the arena.

In 1968, fans hurled snowballs at Santa Clause, and there were 60 fights at a single game in 1997. Fans cheered over a severe neck injury to an opponent in 1999. In 2018, a fan even hit a police horse.