Dalbec certainly has not proven he's here to stay, but decent 1Bmen are usually easy to acquire, mid season, if needed, so we'll start the season with Dalbec (and some Chavis) at 1B, IMO.
We may also roll the dice on Arroyo, Munez & Co. at 2B before looking elsewhere. I doubt Chatham makes the opening days roster, unless we add no infielders and there's an injury.
I think CF is a position we have to add to, this winter. I do not think Duran will be ML ready by opening day. Duran or Chatham may become part of the puzzle at some point during the year.
Basically, about 90% of our available resources should go towards pitching. Yes, both SP'ers and RP'ers. We will likely limit Houck's innings and maybe even his time on the big squad, so as to add a year of service to his tenure with the Sox. With ERod & Sale being question marks, and Eovaldi always one, we should add one durable innings eater and maybe another very good SP'er and/or 2-3 decent SP'ers that can fight for the remaining 1-2 jobs, if and when everyone gets healthy.
I can see us trading for a closer and signing a decent #2 man. We may even add another 1-2 pen arms on top of those two.