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The first thing to know when venturing into the NBA's free-agency period is how much money your team has available, where the money is tied up, and if any guarantees have been made beyond next season, especially raises.
Currently, the Boston Celtics have about $48.5 million tied up, according to Basketball Insiders, in Rajon Rondo ($12.9 million), Gerald Wallace ($10.1 million), Jeff Green ($9.2 million), Brandon Bass ($6.2 million), Joel Anthony ($3.8 million), Vitor Faverani ($2.09 million), Kelly Olynyk ($2.07 million) and Jared Sullinger ($1.4 million).
Boston also has two first-round picks that it will likely sign soon.
Marcus Smart (No. 6 overall) could make in the neighborhood of $3 million, given that last year's No. 6 pick, Nerlens Noel, made $3.1 million as a rookie.
James Young, Boston's No. 17 pick, is compared to Dennis Schroder (No. 17 in 2013), who made $1.3 million. So, that should tack on around $4 million to the $48.5.
The NBA's salary cap saw a bump this offseason and is projected to be set at $63.2 million, with a tax level of $77 million, according to Larry Coon.
So, still at $52.5 million or so, the Celtics have some room to spend. Likely, barring the availability of a major free agent, they would prefer to stay under the cap if this is to be another rebuilding year.
The other important factor to remember, though, is Bradley. Boston tendered him a qualifying offer of $3.58 million, which will allow the team to match any offer he receives as a restricted free agent. If that offer is matched at $6 million to $8 million, most of Boston's available cap room will be eaten up.
The other important thing to remember is that Rondo, Bass and Anthony come off the books next summer. Right now Boston has no major raises laying in wait for any current players. Faverani's contract is not guaranteed after this season, and Green will have the player option ($9.2 million) to decline and become a free agent.
However, if Boston is to keep Rondo, he will come with a lucrative new deal.