D'Agastini played the puck just a split second prior to tripping JVR. NO PENALTY!!!
Here is exactly why IT WAS NOT CALLED TRIPPING:
Rule 57 - Tripping
57.1 Tripping – A player shall not place the stick, knee, foot, arm, hand or elbow in such a manner that causes his opponent to trip or fall.
Accidental trips which occur simultaneously with a completed play will not be penalized. Accidental trips occurring simultaneously with or after a stoppage of play will not be penalized.
If, in the opinion of the Referee, a player makes contact with the puck first and subsequently trips the opponent in so doing, no penalty shall be assessed.