For those of us who also follow the fine TV show "Justified" this whole biting rings a bell.
Timothy Olyphant plays Raylen Givens a US Marshal who has the tendency to get into situation where he has to shoot people. I couldn't find that scene on youtube but it is Season 1 Episode 1. Here is the quote taken from a NY Times review:
"After Givens shoots a man in that Florida hotel and then, upon being transferred to his home state of Kentucky, promptly shoots another, his new boss warns him that he might be getting a reputation. “Put it like this: If you was in the first grade, and you bit somebody every week, they’d start to think of you as a biter.”
I'm afraid Luis Suarez is a "biter".