Montreal Canadiens' P.K. Subban battles Boston Bruins' Brad Marchand along the boards during first period NHL playoff hockey action Thursday, May 8, 2014 in Montreal.Paul Chiasson/The Canadian Press
Montreal Canadiens right wing Brendan Gallagher and Boston Bruins centre Gregory Campbell fall to the ice during first period NHL playoff hockey action Thursday, May 8, 2014 in Montreal.Ryan Remiorz/The Canadian Press
Montreal Canadiens goaltender Carey Price makes a save as Boston Bruins' Patrice Bergeron looks for the rebound during first period NHL playoff hockey action Thursday, May 8, 2014 in Montreal.Paul Chiasson/The Canadian Press
Boston Bruins goalie Tuukka Rask deflects a shot as they face the Montreal Canadiens during first period NHL playoff hockey action Thursday, May 8, 2014 in Montreal.Paul Chiasson/The Canadian Press
Montreal Canadiens defenseman Douglas Murray (6) and Boston Bruins Matt Frasier battle for the puck in front of Canadiens goalie Carey Price during first period NHL playoff hockey action Thursday, May 8, 2014 in Montreal.Ryan Remiorz/The Canadian Press
Montreal Canadiens right wing Brian Gionta misses a chance to score a goal against Boston Bruins goalie Tuukka Rask as defenceman Kevan Miller defends during the first period in Game 4 of the second round of the 2014 Stanley Cup Playoffs at Bell Centre.Jean-Yves Ahern
Boston Bruins right wing Matt Fraser misses a chance to score a goal against Montreal Canadiens goalie Carey Price as defenceman Douglas Murray defends during the first period.Jean-Yves Ahern
Boston Bruins' Brad Marchand is taken out by Montreal Canadiens' P.K. Subban during second period NHL playoff hockey action Thursday, May 8, 2014 in Montreal.Paul Chiasson/The Canadian Press
Boston Bruins' Loui Eriksson tries to score past Montreal Canadiens goalie Carey Price on the wrap around as defeceeman Douglas Murray comes in during second period NHL playoff hockey action Thursday, May 8, 2014 in Montreal.Paul Chiasson/The Canadian Press
Boston Bruins defenceman Matt Bartkowski is checked by Montreal Canadiens centre Lars Eller during the second period.Jean-Yves Ahern
Montreal Canadiens defenceman Alexei Emelin and Boston Bruins centre Patrice Bergeron battle for the puck during the second period.Jean-Yves Ahern
Boston Bruins centre Carl Soderberg falls after being checked by Montreal Canadiens defenceman Douglas Murray and left wing Rene Bourque during the second period.Jean-Yves Ahern
Montreal Canadiens right wing Brian Gionta (21) misses a chance to score a goal against Boston Bruins goalie Tuukka Rask (40) as right wing Reilly Smith (18) defends during the third period.Jean-Yves Ahern
The puck goes in the net past Montreal Canadiens goalie Carey Price on a goal by Boston Bruins' Matt Fraser, left, during the first period overtime in NHL playoff hockey action Thursday, May 8, 2014 inPaul Chiasson/The Canadian Press
Boston Bruins' Matt Fraser is mobbed by teammates after scoring the winning goal against the Montreal Canadiens during the first overtime period in playoff action Thursday, May 8, 2014 in Montreal.Ryan Remiorz/The Canadian Press