OTTAWA, ON - MAY 17:  Head coach Mike Sullivan of the Pittsburgh Penguins looks on against the Ottawa Senators in Game Three of the Eastern Conference Final during the 2017 NHL Stanley Cup Playoffs at Canadian Tire Centre on May 17, 2017 in Ottawa, Ontario, Canada.  The Ottawa Senators defeated the Pittsburgh Penguins 5-1.  (Photo by Minas Panagiotakis/Getty Images)