Holland too has suffered at the hands of soccer yobs and in Italy mounting trouble came to a head in 1995 when a 24-year-old Genoa fan was stabbed to death by an AC Milan supporter.

BBC: Soccer hooliganism: Made in England, but big abroad

There's a second alternative: A growing number of New Yorkers are going for duct-free AC systems that involve a small, wall-mounted indoor fan powered by a separate outdoor unit the size of suitcase.

WSJ: Ugliness for All

This is a valid point, but the problem is that this also allows big teams like AC Milan to take advantage of its large domestic and international fan base, and receive extra revenue based on casual fans who are not invested enough to follow the smaller teams.

FORBES: Labor Issues Dragging Down The Italian Serie A