BOSTON, MA - APRIL 19: Ottawa Senators defenseman Erik Karlsson (65) picks up the puck as Ottawa Senators defenseman Marc Methot (3) holds off Boston Bruins right wing Noel Acciari (55) during Game 4 of a first round NHL playoff series between the Boston Bruins and the Ottawa Senators on April 19, 2017, at TD Garden in Boston, Massachusetts. The Senators defeated the Bruins 1-0. (Photo by Fred Kfoury III/Icon Sportswire via Getty Images)