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BOSTON, MA - JULY 08: Boston Bruins forward Anders Bjork (51) and Boston Bruins forward Trent Frederic (57) skate in the timed drill during Bruins Development Camp on July 8, 2017 at Warrior Ice Arena in Boston, Massachusetts. (Photo by Fred Kfoury III/Icon Sportswire via Getty Images)

BOSTON, MA - JULY 08: Boston Bruins forward Anders Bjork (51) and Boston Bruins forward Trent Frederic (57) skate in the timed drill during Bruins Development Camp on July 8, 2017 at Warrior Ice Arena in Boston, Massachusetts.  (Photo by Fred Kfoury III/Icon Sportswire via Getty Images)