We live in a world in which many of us spend week after week crowded on a subway, cramped in a cubicle, pushing a lawn mower, washing dishes or cleaning bathrooms. Perhaps the trials of this world are why sports teams have become such an important outlet, such an integral part of our selves.
When our team wins, we feel elated, empowered, successful. When our team wins at home, all the better; we have defended our castle, turned back the infidels, marked our territory.
But a percentage of each fan base lose sight of where to draw the line. They become mean-spirited. Angry. Dangerous.
Click on to see the 20 most vicious home fans in sports.