Bruins-Senators Preview: The streaking B's get their first crack at a playoff rematch with the Senators. (Photo by Maddie Meyer/Getty Images)

Erik Karlsson of the Ottawa Senators talks with Charlie McAvoy and Zdeno Chara of the Boston Bruins after the Senators defeated the Bruins 3-2 in overtime of Game Six of the Eastern Conference First Round during the 2017 NHL Stanley Cup Playoffs. (Photo by Maddie Meyer/Getty Images)