The Boston Celtics practically doubled their roster number in recent days, officially signing three rookies Tuesday and nearing deals with both Jeff Green and Jason Terry. What do these signings mean for the roster moving forward? Is there still room for the likes of Ray Allen and Brandon Bass? Let's crunch the numbers in our latest roster reset:

SIGNED FOR 2012-13 WITH SALARY ESTIMATES (10)  

Guards: Rajon Rondo ($11 million), Avery Bradey ($1.6 million), Jason Terry ($5 million)
Forwards: Paul Pierce ($16.8 million), JaJuan Johnson ($1.1 million), Jared Sullinger ($1.3 million**); Jeff Green ($9 million*), Kris Joseph ($473,604)
Center: Kevin Garnett ($11 million*), Fab Melo ($1.3 million**)

 
NON-GUARANTEED 2012-13 CONTRACTS (2)  

E'Twaun Moore ($760,000); Sean Williams ($915,000)

 
FREE AGENTS FROM 2011-12 SEASON (10)  

Restricted: Greg Stiemsma ($1.1 million)
Unrestricted: Ray Allen, Brandon Bass, Keyon Dooling, Mickael Pietrus, Marquis Daniels, Sasha Pavlovic, Ryan Hollins, Jermaine O'Neal, Chris Wilcox

 
Estimated total salary committed to guaranteed contracts: $58.7 million
(* = Estimated salary, awaiting official; ** = 120% of rookie scale)

For the purpose of this exercise, we're doing a little bit of assuming (that deals with Green and Terry will be finalized) as well as some guesswork on the numbers while awaiting official contract values for the likes of Garnett and Green (which won't likely be finalized until after the moratorium; we're using Green's $9 million figure from last year as a guide this year though that number might be lower).

We're also assuming that the Celtics went to 120 percent of the rookie scale with Sullinger and Melo. But going high on all of the estimated numbers, the Celtics still have roughly $15 million max to fill out their roster. And they don't want to get too close to that $74 million threshold because they want to leave room to absorb more salary during the season (whether it be injury replacements or taking on a little extra salary in the trade).

Even still, that means Boston still seemingly has enough room to bring back both Allen and Bass (though it won't leave much to fill out the end of the bench). Regardless, Boston still has room to do some combination of the following:

* Offer Ray Allen a two-year, $12 million contract ($6 million on book for next season)

* Offer Brandon Bass in the vicinity of $6 million in the first year of a long-term deal (though a lower number would provide more wiggle room). If unable to bring back Bass at an agreeable number, the team could facilitate a sign-and-trade in order to bring back an asset.

* Use the bi-annual exception (or part of it) to bring back a role player like Mickael Pietrus or fend off any modest offer sheets that Greg Stiemsma receives. The $2 million value will still require the likes of Pietrus to take a bit of a discount, but a veteran might be enticed by the roster Boston is putting together for another title run.

* Fill out the end of the roster with low-budget options like Moore and Williams, or any other minimum salary player. Remember that the league pays a portion of all one-year veteran contracts, so even a long-time veteran with a $1+ million price tag only counts against Boston's books at a fraction of the cost. For instance, Pietrus made $1.2 million last season, but Boston only paid $854,000.