For sports fans, there is such a fine line between "going the extra mile" and going well beyond that mile marker into a much uglier space. Much of the time the fans who go too far still have relatively good intentions.
But you know what they say about good intentions—and the road to hell that's paved with them.
Superfans sometimes have trouble capping their enthusiasm, controlling their tempers or resisting the urge to storm the field for reasons deemed at the time to be critically important. Other times, they just have an overwhelming urge to be noticed.
The result is that a fair number of them go WAY too far every now and again. Here are some fans and their respective offenses.