"If you followed like the last time we played them, it kind of all stems from that." The post Trent Frederic avenges Bruins teammate in heavyweight fight with Emil Lilleberg appeared first on Boston.com.

Kastelic has been out since Jan. 9 when he struggled leaving the ice against Tampa. Emil Lilleberg cross-checked him and then the two fought prior to the injury. Kastelic was retroactively placed on injured reserve on Wednesday.

Even though a recent report saying the Boston Bruins are an un-unified team was already deemed baseless, Trent Frederic completely dispelled it with just a few punches.

Boston Bruins forward Mark Kastelic dropped the gloves with Tampa Bay Lightning defenseman Emil Lilleberg during Thursday's matchup.

After Emil Lilleberg's crosscheck sent Mark Kastelic to the IR, Trent Frederic challenged the Tampa defenseman to fight.