Have you ever rubbed your eyes while watching an NBA basketball game, frustrated with the incessant chants and the chronic fan routines?Yelling at the TV to stop showing the never-ending sea of signs, probably loaded with insults and jokes about your team or favorite player?Yeah, me too.There's the soothing tune that we Celtics die-hards belt out, "Beat L.A.!" which I'm sure is about as annoying as it gets for Laker fans.There's the pregame introductions in Palace Hills,...