Even though the trade was expected, removing a player instead of adding one sent a ripple through the Bruins room. It showed on the ice.

Boston Bruins forward Trent Frederic is out week-to-week with a lower-body injury, which could alter the Bruins’ approach to the March 7 trade deadline. Frederic looked like the Bruins’ most obvious trade candidate.

Frequently mentioned in trade rumors and an impending unrestricted free agent, Frederic has had a down year, but his versality could makes him attractive to some teams.