As part of his endorsement deal with Under Armour, Newton has been wearing blacked-out Under Armour helmet clips attached to his facemask, which is not allowed because UA is not an official uniform partner of the NFL.
“No invisible identification of a manufacturer’s name or logo on the exterior of a helmet or on any attachment to a helmet is permitted unless provided for under a commercial arrangement between the League and manufacturer.”
Amazingly, the dubious infraction was not immediately noticed by the NFL, but rather Forbes, instead. And apparently Newton has been in violation of the uniform policy since his rookie campaign in 2011.
Via For the Win