BigGov

Raiders fans are all talk compared to Philly fans.

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One day an Englishman, a Scotsman, and an Irishman walked into a pub together. They each bought a pint of Guinness. Just as they were about to enjoy their creamy beverage, three flies landed in each of their pints. The Englishman pushed his beer away in disgust. The Scotsman fished the fly out of his beer and continued drinking it, as if nothing had happened. The Irishman, too, picked the fly out of his drink but then held it out over the beer and yelled "SPIT IT OUT, SPIT IT OUT, YOU BASTARD!"

Eiresol

I don't like rugby. What's your point?


Our world doesnt revolve around sports either, and I've yet to see major business' shut down for a game, so if you want to back that up with some proof feel free.
Regarding rivalry it's between a small number of fans for certain teams. England, though going to great lenghts to remedy it, have a big enough hooligan problem and they are known worldwide for it.
The Turks are pretty bad too.
And the Lazio facists.