Moehrig punched Jennings in the groin after a play, constituting a clear violation of Rule 12, Section 3, Article 1, which the NFL cited as applying to "any act which is contrary to the generally understood principles of sportsmanship," including "throwing a punch, or a forearm, or kicking at an opponent."

San Francisco receiver Jauan Jennings responded to a cheap shot from Carolina safety Tre'Von Moehrig late in Monday night's game by throwing a punch after the final whistle.

And all that was before a massive cheap shot late in the game from Panthers safety Tre’von Moehrig, who reared back and punched San Francisco wide receiver Jauan Jennings below the belt and was caught...