Let's get this out of the way: with three goals and seven assists this season, Dmitrij Jaskin has been an offensive disappointment. Also, he has been on the fourth line with Kyle Brodziak and Ryan Reaves. Offense isn't going to come naturally there.
Offense hasn't been easy to come by for Jaskin, which is disappointing for someone who has the offensive skills. Last season with the Blues he had 13 goals and 5 assists in 49, and was buoyed by Patrik Berglund and Paul Stastny toward the end of the season. That line was a solid third line, but again, Jaskin was playing with two players who have offensive abilities. He hasn't played in a game since February 6th, and his TOI as the season progressed has been cut nearly in half; he only saw a little over five minutes in the Blues' loss to the Sharks on February 4th.
He is, apparently, the new Magnus Paajarvi.
Someone needed to head down with the return of Jaden Schwartz. Paajarvi, who hasn't played since the Blues' loss to the Winnipeg Jets on February 9th (6:50, TOI!) has two goals and three assists in 36 games.
The move frees up some cash for the Blues.
As Jeff Gordon states today, don't give up on Jaskin yet. He needs to work on his offense, and perhaps John Anderson's coaching staff will be better equipped to do so in Chicago. Jaskin certainly will get more ice time and will be playing in a more offensive role.