Boston trailed by two goals entering the third period, but goals from Tyler Seguin and Chris Clark propelled them to a 2-1 victory - their second straight over the Montreal Canadiens - at the Bell Centre on Monday night in Montreal.
Mike Cammalleri scored the first and only goal for Montreal (1-5-0) at 15:33 in the first period, giving the Canadiens a lead that would hold through two periods. Cammalleri's goal was assisted by Phil Desimone.
Seguin scored the game-tying goal for Boston (3-0-1) at 4:17 in the third period on a power play, with assists coming from Jordan Caron and Matt Bartkowski. Clark potted the game-winning tally at 13:15, assisted by Max Suave and Steve Kampfer, to give Boston its third consecutive preseason win.