Tim Stützle scored twice in the third period and the Ottawa Senators beat Boston 5-3 on Thursday night to end the Bruins ‘ seven-game win streak.

Dylan Cozens and Claude Giroux each had a goal and an assist for Ottawa, while Shane Pinto scored just hours after signing a four-year extension. Leevi Merilainen finished with 18 saves.

Morgan Geekie had a goal and an assist, and David Pastrnak and Mark Kastelic also scored for the Bruins. Joonas Korpisalo stopped 18 shots.

Boston lost for the first time since a 7-2 defeat against the Senators on Oct. 27.

Giroux had a power-play goal 1:28 into the game, and Cozens made it 2-0 with 57 seconds remaining in the period.

Geekie scored on a deflection off a pass from Pastrnak to get the Bruins on the board with 8:11 remaining in the second.

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