That circled Chicago Blackhawks player is Patrick Kane coming off the bench for a line change. Seconds later he did this:
But the first goal of these playoffs for the Blackhawks star shouldn’t have counted, as Chicago muffed a line change and should have been called for too many men. Heck, even six guys were involved in the post-goal celebratory circle.
Peter Laviolette was obviously livid following the goal, but the call isn't reviewable and still won't be next season when the league likely implements a coach's challenge.