David Pastrnak had his fourth hat trick of the season and the Boston Bruins rolled to their third straight win over the Montreal Canadiens, 4-1.
Boston has won seven of its last eight and took the season series with rival Montreal 3-1.
The Bruins outscored the Canadiens 15-3 over the final three meetings. Montreal has lost two straight as it tries to stay in the hunt for the playoffs.
Patrice Bergeron added an empty-net goal and Tuukka Rask had 28 saves for the Bruins to improve to 13-0-6 at home this season.
Marco Scandella scored Montreal's lone goal.
with files from Canadian Press