Video quiz: Battery on the football field?

Players in a contact sport consent to, or assume the risks of, the inherent risks of the game and its customs.  Intentional conduct outside the rules and customs of the game, on the other hand, may give rise to a valid claim.  Here is a clip from a recent NFL game.  The play has ended; the whistles have blown it "dead."  Watch what the St. Louis defender (Ogletree) does with the ball.  Battery?