The NFL features an abundance of characters. Some have pretty normal hair, but some just decide not to give a fuck. Many of the players eschew the norms of a simple buzz-cut and decide to etch things, dye, grow, and do pretty much everything under the sun to their hair. We never know what they have under those helmets. Some have the cuts only five year olds have and some have cuts that make statements. From Mark Sanchez's headband to Jared Allen's classic mullet, here are the Most Ridiculous Haircuts in NFL History.