Detroit seems like a really, really good trading partner for us if we are talking about selling 1 or more of the 'core veterans.' They have been really good since the coaching change and are currently in playoff position. It feels like this year should be viewed as the opening (or preamble to the opening) of a window, so a pure rental doesn't make much sense. But it would make a ton of sense to bring in vets with term who can contribute as the window opens wider. They also have a ton of cap space. They can add $9M today and $12M by the deadline. They can include Husso's expiring deal in a trade to open even more space and they have $26 of cap space next year (with Kane being the only bigger ticket extension/replacement need). They have one of the best prospect pools in the league and they have all of their own draft picks for the next 3 years (minus their 4th this year).
I wonder if they have interest in Parayko. He and Seider would make a hell of a 1-2 punch on the right side. I see a real argument that being on the same team would increase the effectiveness of both guys. They could play both of them 24+ minutes a night and it would still be noticeably easier minutes for both than the roles each are currently playing. I think that Seider and Parayko is a Cup-caliber right side of the top 4 for several seasons and Edvinsson is shaping up to be a damn good complimentary partner for that window.
I also wonder if they have interest in Schenn. They are thin at center and he would slot in as their #2 center right now. His strengths are different than Copp's, so that would give them a versatile middle 6 C group. There is some built in chemistry with Tarasenko and he brings a layer of physicality that isn't there in Detroit's lineup. He (and Copp) can both slide to wing and down the lineup in the coming years as prospects start earning time in the middle 6. I think he'd address a big need in the present and be able to contribute in a meaningful way for 2 (and maybe all) of the 3 additional years on his contract.
I also wonder how Yzerman views Binner and Detroit's goaltending. Talbot and Lyon have been good enough this year, but do you really trust either of those guys in the playoffs? Do you trust either to be the 1A (or starter) for Cossa's rookie season when your team has playoff aspirations? How far away do you think Cossa is from being a legit #1? Binner is under contract for 2 more seasons after this one and that feels like a nice little bridge to get them to the (presumptive) Cossa/Augustine tandem.
Army and Yzerman have a pretty long track record of doing business with each other and there appear to be a good chunk of fits there.