The Boston Celtics shuffled up three spots to No. 4 in ESPN Insider's Tank Rank.

A snippet from curator Chad Ford: "All three of the teams ahead of [the Celtics] have at least one young player they can conceivably build around. The Celtics? Rajon Rondo could be that building block. But he turns 28 in February, has posed chemistry issues in the past and there is an increasing belief among NBA circles that GM Danny Ainge will use him, once healthy, to get multiple assets back. So the chances that he's the Celtics' cornerstone moving forward look slim. Unless you think Avery Bradley or Jared Sullinger is a savior, the cupboard is pretty bare."

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