NBA Notebook: Which Celtics free agents probably won’t be back next season?

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The Celtics are positioned to have far less turnover in the summer of 2018 than recent offseasons. Eleven of the team’s 15 roster players are already under contract and Danny Ainge likes what he saw from the group that came up just short of an NBA Finals berth despite the absence of two All-Stars.

“At this time last year I couldn’t have said we’d have 11 new players off a team that just won 53 games and won a playoff round,” Ainge explained. “But you just don’t know what opportunities present themselves. But I like this group of guys. We’re not looking to make changes other than just small tweaks here and there to our roster. But we really do like this core group of guys that we’ve had all year.”

While the vast majority of the core is in place, there are some tricky decisions that loom for some key pieces of the squad in free agency. The Celtics will enter the offseason over the salary cap and they only have Bird Rights on one free agent (Marcus Smart). The front office will have limited resources to bring the rest back (Non-Bird Rights or Mid-Level/Bi-Annual Exception) and playing time opportunities will certainly factor into the decision for both sides as negotiations unfold.

So what are the odds of each free agent returning to Boston next season? Let’s take a closer look at the situation of each player to analyze the chances that they will be back:

NOT LIKELY TO RETURN (Under 25 percent)