Maybe not in the spirit of the thread starter, but I have had thoughts that Calen Addison would be a much better player in the Cap's system than the Wild's for some time now. For a likely low cost acquisition, he is a guy that could potentially fill a big niche for the Caps and may be even more useful for Washington in current circumstances. I am not saying he solves this issue at all, but he could potentially be a small piece that helps.
I am not going to high sell you on the player, he is very flawed in his defensive game and his physical package is not overwhelming. He does have one pretty unique part of his skill set though, his ability to execute quick, effective distributing during set play times, like the PP, is very very good. I think he would a very good fit on the Caps PP and could assist Ovechkin greatly in his push for the record. I do not think that he will help you win very many games, but he will help you get points and entertainment and he does get the puck to the best offensive guys on the ice mostly effectively.
The Wild at this point are in need of someone capable of providing a semblance of stability on the bottom pair. With injuries this year they have gone through organizational depth evaluation down to their #10 D man and frankly all the bottom pair guys have shown that they are not ready or capable in the NHL at this moment. To keep the season from further deteriorating, I believe that they would be willing to move Addison as soon as Spurgeon returns and a more established/positionally sound, but "lower" future potential defender would be the only requested return, a #6/7 type of guy. I believe that Washington has a few defenders in the system that would fit this billing but not as up to date on if any would be available.
Any thoughts from Washington fans on if there would be any interest in this player? The Wild cap situation is limiting, though on Spurgeon's imminent return they will be able to accrue some decent in season space, so this is something that could definitely be re-visited throughout the season if needed.