I was very outspoken about this when it happened, so I guess I'll re-open old wounds..
I still feel like we will look back on this trade with great regret. I like Seth Jones alot. I feel like he is a good defenseman with potential to be very good to even great possibly. However, I KNOW Ryan Johansen is great with the potential to be elite. By elite, I mean a top tier center in the NHL with the likes of Thornton in his prime, Giroux, Kopitar, etc. Not in the class of Crosby or McDavid, but the tier below them. He had a bad year last year, there's no escaping that. There's no question he has some issue with commitment in his past with the benching in the AHL playoffs to the conspiracy of last year (In my opinion, Joey was out of shape due to his heart condition, but that's neither here nor there), and to his relationship with Torts.
I think Joey will be PPG this season, and will establish himself as an elite center. Personally, I am rooting for the kid because I think he was made the villain for our horrible season on these boards, and in our media. To me, his 'lackadaisical' attitude in his answers to the media and his 'questionable effort' in games (which to me, looked the exact same as previous years when he emerged) were over analyzed because he was our best player and we sucked. I guess that comes with the territory of being great, but damn did we have to run him out of town?
I really hope we don't outright lose this deal like we did in both Gaborik deals and basically every other trade Jarmo has done aside from Umberger for Hartnell. I hope Jones can at the very least be a top pairing defenseman (no, I don't mean a top pairing defenseman on OUR team, a legit top pairing defenseman like Josi, Suter, whoever you want to pick). If he can develop into an elite #1 defenseman and Joey is a #1 center then we'll be perfectly happy and so will Nashville.
Long story short, Go Joey.