Trading Devers doesn't make sense, because no one will give up anything good for him unless they legitimately think they can sign him; that narrows it down to a small handful of clubs that like spending. Even then, the return for one year of Raffy won't be anything special -- for example, one-for-one trade proposals on BTV in swaps for Sean Murphy or Brian Reynolds don't even come close to being acceptable.
What a debacle for the front office. New England is really pissed, and ownership knows it needs to just pay Devers -- but we don't know if he'll even sign now, for any price after the past week of free agent riches.
If he won't, the best remaining option has to be to pay Correa -- the middle-of-the-order righty power bat and Platinum Glove defender in his prime that won't cost any draft picks. Swanson as a consolation prize won't cut it: good player, but older than Carlos with only 14.5 career WAR. Correa is the star, with 39.5 career WAR and 18 postseason home runs. He's also the best fit for Fenway and with Cora.