Boston Bruins defenseman Matt Grzelcyk (48) shields the puck from Tampa Bay Lightning center Anthony Cirelli (71) during the third period of Tampa's 4-1 win in game three of the second round of the 2018 Stanley Cup Playoffs at TD Garden.

Boston Bruins head coach Bruce Cassidy yells at a referee during the third period of their 4-1 loss to the Tampa Bay Lightning in game three of the second round of the 2018 Stanley Cup Playoffs at TD Garden. (Winslow Townson-USA TODAY Sports)

Tampa Bay Lightning defenseman Anton Stralman (6) checks Boston Bruins center Riley Nash (20) during the third period of Tampa's 4-1 win in game three of the second round of the 2018 Stanley Cup Playoffs at TD Garden.

Boston Bruins left wing Brad Marchand (63) yells at referee Marc Joannette (25) after being called for a slashing penalty during the second period of game three of the second round of the 2018 Stanley Cup Playoffs against the Tampa Bay Lightning at TD Garden.

Boston Bruins center David Krejci (46) reaches for a loose puck in front of Tampa Bay Lightning goaltender Andrei Vasilevskiy (88) who lost his stick during the second period of game three of the second round of the 2018 Stanley Cup Playoffs at TD Garden.

Boston Bruins center Patrice Bergeron (37) celebrates his goal with defenseman Torey Krug (47) and right wing David Pastrnak (88) during the first period of game three of the second round of the 2018 Stanley Cup Playoffs at TD Garden.

Tampa Bay Lightning left wing Ondrej Palat (18) can't control a bouncing puck in the crease behind Boston Bruins goaltender Tuukka Rask (40) during the first period of game three of the second round of the 2018 Stanley Cup Playoffs at TD Garden.

Tampa Bay Lightning left wing Ondrej Palat (18) (right) scores on Boston Bruins goaltender Tuukka Rask (40) during the first period of game three of the second round of the 2018 Stanley Cup Playoffs at TD Garden.

Tampa Bay Lightning left wing Ondrej Palat (18) battles Boston Bruins center David Krejci (46) for the puck during the first period of game three of the second round of the 2018 Stanley Cup Playoffs at TD Garden.

Tampa Bay Lightning left wing Ondrej Palat (18) scores over the shoulder of Boston Bruins goaltender Tuukka Rask (40) during the first period of game three of the second round of the 2018 Stanley Cup Playoffs at TD Garden.