One of the most awesome things about the National Football League is hard hitting—the guys who can really deliver a vicious blow to an opponent.
But sometimes players go too far. They hit with their helmet or hit after the whistle. Recently the NFL has been cracking down on illegal helmet-to-helmet hits with fines (and potentially suspensions), but that hasn't stopped a number of players from continuing their dirty style of play.
The following slides will introduce the 12 dirtiest players in the NFL today.