Watch: Penguins score moments after Werenski bloodied by puck to face
Play continued as Werenski lay on the ice after absorbing the blow. He left the ice while bleeding profusely into a towel as the Penguins celebrated their goal late in the second period.
He then returned in the third wearing a full visor and looking like this:
As far as whether the goal should have counted, NHL on-site officiating supervisor Don Koharski declined to say if allowing play to continue was the correct call, according to Aaron Portzline of the Columbus Dispatch.
Werenski scored his first career playoff goal in the opening frame.