I did address it - 6 points up above.
1) The Devils knew the medical prognosis better than we did - they knew that we had no Jack/Jonas and Dougie was a playoff only option, and that only matters if the Devils make the playoffs.
So you think the Devils should go for it now because, point 1, they knew they were without their top center, top defender, and possibly top offensive defenseman? That’s literally the biggest reason not to go for it. The team is already lacking tons of talent that they can’t replace this year and don’t have enough remaining talent to win without a bunch of good bounces anyway.
2)The Devils had incredible cap flexibility by having two of their highest paid players on LTIR, usually big trades happen in the offseason for cap flexibility purposes but the Devils could have taken on anyones salary they wanted and not have to worry about it until next year.
Because of point 1, making next years cap messier is a bad idea. Use the cap growth to strengthen next year, not supplement this year with all the injuries and create problems next year.
3) for the first time in years the cap was increasing and we had visibility to what the numbers would be. Every player currently locked into a contract you know precisely how much of the cap they will take up, and since they were signed in a lower cap environment the deal will naturally be a better value than any signed starting this offseason.
This is a non-point, it’s true for everyone and everyone values the players with this in mind.
4) Making the playoffs matter - if the Devils collapsed we have a front office in deep and a first year head coach who oversaw an epic collapse. Maybe this means the FO is more secure than we believe, but the drumbeat of the offseason can change a lot.
Non-point. The Devils did make the playoffs.
Devils made the playoffs and were never really at risk of not making the playoffs. They made the playoffs in the spot they’ve been most likely to end in for months. They didn’t have to gamble a big future sacrifice to supplement today and get in.
5) All of the Devils top players are under contract, and the one who needs a new one happens to have his brother playing on the team.
Non-point. This doesn’t address trading future items to help this years team.
As for Nemec - I'd trade some upside for certainty now, would need to be a top 2 center or wing with ~3-4 years of control
Like who? Cozens doesn’t fit this definition to you but you also think he would have been impactful?
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Just for me, looking at your list, I personally still don’t see how you justify going for it this year or that that Devils are in a great spot to do so.
Assuming your most compelling point is #1, you have it backwards. The injuries explain why not to go for it, not a reason to go for it.