A two-goal first period stood up as the Boston Bruins defeated the visiting Ottawa Senators 2-1 for their fourth consecutive win on Tuesday night.
After Ottawa drew first blood, David Krejci and Jake DeBrusk scored for Boston.
Hampus Lindholm assisted on both, posting multiple helpers in a game for the eighth time this season.
Linus Ullmark made 40 saves for Boston, improving to 10-1-0 in his last 11 starts.
Boston's four straight victories have come after its first back-to-back regulation losses of the season.
Dylan Gambrell scored Ottawa's goal, and Mads Sogaard stopped 33 shots. The Senators are 1-5-1 in their last seven games.
Ottawa finished with a 41-35 shots advantage and went 0-for-3 on the power play, letting a late opportunity go by with the goaltender pulled.
Boston had allowed 40 or more shots only four other times this season.
Ottawa got off to a strong start and played with a lead after Gambrell scored at the 8:55 mark. A turnover in the neutral zone allowed Ridly Greig to rush the other way and set up Gambrell for the wraparound goal.
The lead did not last long as Boston took advantage of a 58-second 5-on-3, with Krejci burying a rebound from the left crease at 11:33. Lindholm's point shot started the play.
Despite being outshot 16-11, the Bruins finished the first period with a 2-1 lead. DeBrusk tallied the go-ahead goal at 15:52 as he took Brad Marchand's cross-ice pass and whizzed from the left wing into the slot for a backhand finish.
In the scoreless second period, Ottawa had a 21-15 edge in shots on goal without the help of the power play until the Bruins were called for too many men on the ice in the final five minutes.
Greig hitting Ottawa's second goalpost of the night at the 12:24 mark represented a key game-tying chance.
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