Frank Vatrano’s goal, five minutes into the third period, completed the rout.
Tuukka Rask, who had NEVER beaten the Canadiens in Boston, made 25 saves for the shutout.
Carey Price faced 36 shots.
The Bruins had not beaten the Canadiens at the TD Garden since Jan. 12, 2012.
Adam McQuaid got the home team on the board nine minutes into the game.
Unaccountably wide-open, McQuaid’s blast was pretty much unstoppable by Carey Price.
With the Canadiens on a power play, Zdeno Chara danced through the white jerseys and beat Carey Price from close in to make it 2-0 five minutes into the second period.
Ten minutes later, David Krejci had an open side to Price’s right and buried it on a Bruins power play.
The Canadiens couldn’t score with a 5-on-3 power play in the first period.