I like the big man rotation (Sheed + Davis + Scal + Shelden). There's good quality, flexibility and depth in that rotation.
So a primary backup point guard + a secondary backup wing + 13-15th men insurance players or young talent additions.
Red - I don't agree that rotation offers enough flexibility and quality. There's flexibility and there's quality, but I'm not sure if they go along. I think it's missing a better version of Scal (nothing special, just Scal with much better rebounding ability). There's only one above average rebounder in that rotation and he's the 5th/6th big man (aggravated by the fact that all the others are sub-par rebounders). There's only one guy who's comfortable defending mobile, perimeter orienteded PFs and he's the 5th/6th big man. I'd be happy to replace any one of those players with someone who'd make the team more comfortable matching up small-ball line-ups (especially if Garnett keeps struggling to defend quicker players).
Green - I don't see Daniels sticking around for the non-Bird exception. We'll need to waste a fair part of the MLE if we want to retain him in the next off-season. That will make difficult to grab a quality backup guard plus a secondary wing backup in the FA market. Difficult to predict at this point.
I fully agree with the rest of the post.
Big man rotationI see that as more of a limitation of having Glen Davis as your second backup big man than an issue with Scalabrine.
It'll be extremely difficult to acquire a superior talent to Scal, that offers a similar type of skill-set to Scalabrine, who'll be happy coming to Boston as the sixth big in the rotation + signing for a minimum contract. I think Scal is about as good as you can expect to do for that role.
I think the way to get a better option at that spot is to move Glen Davis for an athletic perimeter orientated power forward. A rotation regular who you can spend a few million on. Someone who gives the Celtics better lineup flexibility on an everyday basis ... and not just situationally.
Marquis DanielsI was ignoring Marquis' situation for the time-being ... I was only looking for spots that are holes + considering Daniels spot as ably filled. Of course, if Marquis does leave, which there's a good chance of, that hole immediately jumps to #1 or #2 on the Celtics list.
ResourcesTrades, Draft, MLE ... which would need to split between a primary backup guard + a primary backup wing (hopefully Daniels). Do the Celtics have a first round pick this season? I think they do.
Secondary backup wing should be available for a minimum contract. As should the 13th-15th roster spots.