FILE - In this April 8, 2017, file photo, Boston Bruins interim head coach Bruce Cassidy works behind the bench in the third period of an NHL hockey game against the Washington Capitals. The Bruins said on Wednesday, April 26, 2017, it will drop the interim tag and Cassidy will return next season as the team's head coach. Cassidy replaced Claude Julien in February and helped the team return to the playoffs for the first time in three seasons. (AP Photo/Winslow Townson, File)