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WALTHAM — Rajon Rondo was sidelined for half the season, now he’s back.
Jordan Crawford, MarShon Brooks, Courtney Lee, Keith Bogans and Vander Blue were all here, now they’re all gone.
Jerryd Bayless, Joel Anthony and Chris Johnson were all elsewhere, now all three are Celtics.
Add in the fact that Kelly Olynyk, Kris Humphries, Avery Bradley and Jared Sullinger have all missed at least one game for one reason or another, such as an injury, and what you have is a Celtics roster that has had almost no continuity at all this season.
And there’s the strong chance that, after the Feb. 21 trade deadline, the team could be even more different, especially with management in full-rebuilding mode, aiming to gather as many precious assets as possible to speed up the transition process.