NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Ottawa Senators center Derick Brassard (19) during the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Boston Bruins Patrice Bergeron (37) and Ottawa Senators Derick Brassard (19) prepare for a first period face-off during the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Ottawa Senators Mark Stone (61) scores on Boston Bruins goalie Tuukka Rask (40) during the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Ottawa Senators Mark Stone (61) scores on Boston Bruins goalie Tuukka Rask (40) during the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Boston Bruins left wing Brad Marchand (63) attempts a wraparound on Ottawa Senators goalie Craig Anderson (41) during the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Boston Bruins David Pastrnak (88) crashes into the crossbar after being hooked by Ottawa Senators Dion Phaneuf (2) in front of goalie Craig Anderson (41) during the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Ottawa Senators captain Erik Karlsson (65) during the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Boston Bruins center Noel Acciari (55) during the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Boston Bruins Sean Kuraly (52) celebrates scoring a goal to tie the score 2-2 in the second period of the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Boston Bruins Patrice Bergeron (37) and Ottawa Senators Jean-Gabriel Pageau (44) prepare to take a face-off during the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Boston Bruins center Patrice Bergeron (37) during the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Boston Bruins David Backes (42) attempts to deflect a shot in front of Ottawa Senators goalie Craig Anderson (41) during first overtime of the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Ottawa Senators left wing Clarke MacArthur (16) during the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Boston Bruins left wing Brad Marchand (63) keeps the puck away from Ottawa Senators defenseman Dion Phaneuf (2) during the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Bruins won the game 3-2 in the second overtime. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Ottawa Senators Viktor Stalberg (24) and Boston Bruins Frank Vatrano (72) battle during the first overtime of the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Ottawa Senators goalie Craig Anderson (41) makes a save in the first overtime of the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Bruins won the game 3-2 in the second overtime. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Boston Bruins David Backes (42) discusses a disallowed goal with referee Chris Lee (28) in the first overtime of the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Bruins won the game 3-2 in the second overtime. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Boston Bruins goalie Tuukka Rask (40) makes a save and Ottawa Senators Bobby Ryan (9) looks for a rebound during second overtime of the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Bruins won the game 3-2 in the second overtime. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Ottawa Senators Derick Brassard (19) and Boston Bruins Zdeno Chara (33) battle in front of the net during second overtime of the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Bruins won the game 3-2 in the second overtime. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Ottawa Senators Kyle Turris (7) on a breakaway attempts to deke Boston Bruins goalie Tuukka Rask (40) during second overtime of the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Bruins won the game 3-2 in the second overtime. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Ottawa Senators Derick Brassard (19) attempts to centre the puck while fallen to the ice. Boston Bruins Riley Nash (20) defends during second overtime of the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Bruins won the game 3-2 in the second overtime. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: Boston Bruins David Pastrnak (88) congratulates goalie Tuukka Rask (40) on the win after the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Bruins won the game 3-2 in the second overtime. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: during the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Bruins won the game 3-2 in the second overtime. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: during the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Bruins won the game 3-2 in the second overtime. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: during the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Bruins won the game 3-2 in the second overtime. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: during the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Bruins won the game 3-2 in the second overtime. Daniel Lea/CSM

NHL 2017: Bruins vs Senators APR 21

April 21, 2017: during the NHL playoff game between Boston Bruins and Ottawa Senators at the Canadian Tire Centre in Ottawa, Canada. Bruins won the game 3-2 in the second overtime. Daniel Lea/CSM