Doug Martin heading back to the locker room now. Again: looked like knee to his helmet while blocking. Not good.
— Will Brinson (@WillBrinson) August 17, 2013
Doug Martin to the locker room. Took a knee to the helmet while trying to block.
— gregg rosenthal (@greggrosenthal) August 17, 2013
— Michael DiPirro (@RealDealDiPirro) August 17, 2013
Hopefully, this isn’t a concussion, but it appears that’s what the training staff is testing for.