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It's still too early to grade the third line as head coach Claude Julien continues to shuffle wingers on either side of Chris Kelly.
Carl Soderberg and Reilly Smith won the wing-work in camp, but a Soderberg injury stopped that trio from ever appearing together in a competitive game.
Jordan Caron took Soderberg's spot through the first six games of the season and played surprisingly well. The oft-criticized winger flashed some previously unseen offensive skill in the season's opening week. At times he was arguably Boston's most threatening player.
However, Caron managed to score just one goal in six games while failing to pick up any assists. He was scratched to make way for Soderberg's debut against Tampa Bay on October 19.
Reilly Smith played so well across from Caron that he earned a promotion after just a handful of games. In his place Brad Marchand has been unspectacular. Marchand has a minus-one rating and just one point since dropping into the bottom-six.
Despite all of the moving parts around him, Chris Kelly has performed nicely as the one constant. After scoring just three goals all of last season, the Bruins' alternate captain has found his scoring touch with three lamp-lighters in seven games.
He has yet to replace the goose egg in his assist column, but that should change soon if Marchand and Soderberg stay by his side.
Soderberg's play moving forward will be especially interesting. He was a goal-scoring machine in his native Sweden, but he has yet to score an NHL goal in seven career games.
The upside on Boston's third line is evident, but questions continue to be abound.