Every team has its share of fans who express themselves with team colors, hats, jerseys and a fair amount of face paint.
But not many go to that extra level that reaches into emotional intimidation, and there is really only one group that has earned its way to its own nickname — "The Black Hole."
Whether the term refers just to the tunnel area from which both teams enter the playing field at the Oakland stadium or to the total environment is debatable, but either fits perfectly.
Oakland is a tough town—there is no question about that—and the Raiders historically have been an embodiment of that.