During this game, in the first period, the Capitals really got under the skin of the Penguins players and the frustration of the opponents was palpable. Especially for Pens captain Sidney Croby.
The referees on the ice did see the gesture, but the penalty was overturned, as Washington scored on the same sequence.
It wasn't the hardest hit you've ever seen, but there's no doubt that it was a deliberate punch thrown at Dowd's head. It will be interesting to see if the NHL's disciplinary committee will crack down on Crosby...