Mike Shanahan says RGIII has a “mild” concussion

The Redskins have confirmed that quarterback Robert Griffin III suffered a concussion in today’s loss to the Falcons. Specifically, Redskins coach Mike Shanahan said Griffin suffered a “mild” concussion. The term “mild” concussion may be more descriptive than “shaken up,” which was how the Redskins initially described Griffin, but with the NFL’s emphasis on protecting…