Looks good for Celtics, but I think the Bulls will insist on the Nets 17 pick as the starting point for Butler. I also think they'll want Crowder, Bradley or Smart. Maybe they'll settle for just the nets17 and other players, but I doubt it.
Gibson would be a good get just by himself. I'd prefer him over any Celtics big after Horford.
The kind of guy they need. I don't know if he's available.
I'd prefer they keep their starters and Nets picks, and trade for a Gibson, Nurkic or Noel.
The trick is to get Noel without giving up starters or Nets picks. Should be possible since he is a FA.