Torey Krug will miss the duration of the preseason.

The Boston Bruins defenseman is out and will be re-evaluated in three weeks after sustaining a non-displaced fracture in his jaw after being struck by a shot during Tuesday's preseason game against the Detroit Red Wings, the Bruins announced.

Boston will surely be hoping the injury doesn't keep Krug out for too long. Last season, the 26-year-old paced all Bruins defenders with 51 points, setting a new career high.

Boston opens the regular season Oct. 5 when it hosts the Nashville Predators.

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