Brad Marchand scored his second goal of the game 34 seconds into overtime to give the Boston Bruins a 3-2 win over the Montreal Canadiens on Monday night.

Connor Clifton had a goal and an assist and Erik Haula had two assists for Boston. Jeremy Swayman stopped 26 shots.

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Boston Bruins' Brad Marchand (63) celebrates with teammate Erik Haula (56) after scoring the winning goal during overtime of an NHL hockey game against the Montreal Canadiens in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins' Brad Marchand (63) celebrates with teammate Erik Haula (56) after scoring the winning goal during overtime of an NHL hockey game against the Montreal Canadiens in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins' Brad Marchand, center, is congratulated by teammates after scoring the winning goal during the overtime period of an NHL hockey game against the Montreal Canadiens in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins' Brad Marchand, center, is congratulated by teammates after scoring the winning goal during the overtime period of an NHL hockey game against the Montreal Canadiens in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins defenseman Connor Clifton (75) celebrates with teammate Craig Smith (12) after scoring the second goal during third-period NHL hockey game action against the Montreal Canadiens in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins defenseman Connor Clifton (75) celebrates with teammate Craig Smith (12) after scoring the second goal during third-period NHL hockey game action against the Montreal Canadiens in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins goaltender Jeremy Swayman (1) makes a save on Montreal Canadiens' Joel Armia (40) during the second period of an NHL hockey game in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins goaltender Jeremy Swayman (1) makes a save on Montreal Canadiens' Joel Armia (40) during the second period of an NHL hockey game in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Montreal Canadiens right wing Joel Armia (40) scores a short-handed goal against Boston Bruins goaltender Jeremy Swayman(1) during third-period NHL hockey game action in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Montreal Canadiens right wing Joel Armia (40) scores a short-handed goal against Boston Bruins goaltender Jeremy Swayman(1) during third-period NHL hockey game action in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins goaltender Jeremy Swayman (1) stops Montreal Canadiens' Jonathan Drouin (92) during the third period of an NHL hockey game in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins goaltender Jeremy Swayman (1) stops Montreal Canadiens' Jonathan Drouin (92) during the third period of an NHL hockey game in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Montreal Canadiens' David Savard (58) celebrates with teammate Alexander Romanov (27) after scoring the first goal during the second period of an NHL hockey game in Montreal against the Boston Bruins, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Montreal Canadiens' David Savard (58) celebrates with teammate Alexander Romanov (27) after scoring the first goal during the second period of an NHL hockey game in Montreal against the Boston Bruins, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Montreal Canadiens goaltender Jake Allen (34) makes a glove save on Boston Bruins' Brad Marchand (63) as Montreal Canadiens' Jeff Petry (26) looks on during the second period of an NHL hockey game in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Montreal Canadiens goaltender Jake Allen (34) makes a glove save on Boston Bruins' Brad Marchand (63) as Montreal Canadiens' Jeff Petry (26) looks on during the second period of an NHL hockey game in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins left wing Brad Marchand (63) celebrates with teammates Jake DeBrusk, left, and Erik Haula (56) after scoring the first goal during first-period NHL hockey game action against the Montreal Canadiens in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins left wing Brad Marchand (63) celebrates with teammates Jake DeBrusk, left, and Erik Haula (56) after scoring the first goal during first-period NHL hockey game action against the Montreal Canadiens in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins goaltender Jeremy Swayman (1) makes the save on Montreal Canadiens' Joel Armia (40) during the second period of an NHL hockey game in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins goaltender Jeremy Swayman (1) makes the save on Montreal Canadiens' Joel Armia (40) during the second period of an NHL hockey game in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins' Brad Marchand (63) is stopped by Montreal Canadiens goaltender Jake Allen (34) during first-period NHL hockey game action in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins' Brad Marchand (63) is stopped by Montreal Canadiens goaltender Jake Allen (34) during first-period NHL hockey game action in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Joel Armia and Denis Savard scored for Montreal, and Jake Allen finished with 43 saves.

Boston Bruins' Brad Marchand (63) celebrates with teammate Erik Haula (56) after scoring the winning goal during overtime of an NHL hockey game against the Montreal Canadiens in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins' Brad Marchand (63) celebrates with teammate Erik Haula (56) after scoring the winning goal during overtime of an NHL hockey game against the Montreal Canadiens in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

In the extra period, the Bruins brought the puck up the ice and Haula sent a pass in the middle to Marchand. Marchand skated in, faked to his left and went to his right and backhanded it past Allen for his 27th of the season.

The Bruins got on the scoreboard first after a Montreal turnover. Haula sent the puck over to Marchand in the crease and he tapped it in at 9:21 of the first period.

Savard tied it at 8:49 of the second on a delayed penalty advantage in his first game back from an ankle injury when his backhand shot from the high slot deflected off Boston's Derek Forbort and past Swayman.

Boston Bruins' Brad Marchand, center, is congratulated by teammates after scoring the winning goal during the overtime period of an NHL hockey game against the Montreal Canadiens in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins' Brad Marchand, center, is congratulated by teammates after scoring the winning goal during the overtime period of an NHL hockey game against the Montreal Canadiens in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Montreal's Alexander Romanov was called for tripping, giving the Bruin a power play in the final seconds of the second period. Marchand tried to send both teams to the second intermission with a one-timer but Allen robbed him with a glove save.

The Canadiens then got a short-handed goal at 1:13 of the third as Armia took the puck away from Charlie McAvoy in the neutral zone and scored on a breakaway.

Clifton tied it with just under 3 minutes remaining in regulation as he controlled Craig Smith’s pass with his skate before beating Allen for his second of the season.

Boston Bruins defenseman Connor Clifton (75) celebrates with teammate Craig Smith (12) after scoring the second goal during third-period NHL hockey game action against the Montreal Canadiens in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins defenseman Connor Clifton (75) celebrates with teammate Craig Smith (12) after scoring the second goal during third-period NHL hockey game action against the Montreal Canadiens in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

UP NEXT

Bruins: Host Tampa Bay on Thursday night.

Canadiens: Host Florida on Thursday night.

Boston Bruins goaltender Jeremy Swayman (1) makes a save on Montreal Canadiens' Joel Armia (40) during the second period of an NHL hockey game in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins goaltender Jeremy Swayman (1) makes a save on Montreal Canadiens' Joel Armia (40) during the second period of an NHL hockey game in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Montreal Canadiens right wing Joel Armia (40) scores a short-handed goal against Boston Bruins goaltender Jeremy Swayman(1) during third-period NHL hockey game action in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Montreal Canadiens right wing Joel Armia (40) scores a short-handed goal against Boston Bruins goaltender Jeremy Swayman(1) during third-period NHL hockey game action in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins goaltender Jeremy Swayman (1) stops Montreal Canadiens' Jonathan Drouin (92) during the third period of an NHL hockey game in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins goaltender Jeremy Swayman (1) stops Montreal Canadiens' Jonathan Drouin (92) during the third period of an NHL hockey game in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Montreal Canadiens' David Savard (58) celebrates with teammate Alexander Romanov (27) after scoring the first goal during the second period of an NHL hockey game in Montreal against the Boston Bruins, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Montreal Canadiens' David Savard (58) celebrates with teammate Alexander Romanov (27) after scoring the first goal during the second period of an NHL hockey game in Montreal against the Boston Bruins, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Montreal Canadiens goaltender Jake Allen (34) makes a glove save on Boston Bruins' Brad Marchand (63) as Montreal Canadiens' Jeff Petry (26) looks on during the second period of an NHL hockey game in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Montreal Canadiens goaltender Jake Allen (34) makes a glove save on Boston Bruins' Brad Marchand (63) as Montreal Canadiens' Jeff Petry (26) looks on during the second period of an NHL hockey game in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins left wing Brad Marchand (63) celebrates with teammates Jake DeBrusk, left, and Erik Haula (56) after scoring the first goal during first-period NHL hockey game action against the Montreal Canadiens in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins left wing Brad Marchand (63) celebrates with teammates Jake DeBrusk, left, and Erik Haula (56) after scoring the first goal during first-period NHL hockey game action against the Montreal Canadiens in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins goaltender Jeremy Swayman (1) makes the save on Montreal Canadiens' Joel Armia (40) during the second period of an NHL hockey game in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins goaltender Jeremy Swayman (1) makes the save on Montreal Canadiens' Joel Armia (40) during the second period of an NHL hockey game in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins' Brad Marchand (63) is stopped by Montreal Canadiens goaltender Jake Allen (34) during first-period NHL hockey game action in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)

Boston Bruins' Brad Marchand (63) is stopped by Montreal Canadiens goaltender Jake Allen (34) during first-period NHL hockey game action in Montreal, Monday, March 21, 2022. (Ryan RemiorzThe Canadian Press via AP)