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Basketball's biggest garage sale—known formally as the 2017 NBA offseason—is winding down as both supply and demand dwindle.

But the task of personnel management is a yearlong endeavor.

As rosters come into focus, so do their biggest voids. And no matter how successful their summer shopping excursions have been, every team has at least one area in need of improvement.

Through a combination of statistical analysis, player projections and the always-trusty eye test, we have uncovered each club's primary weakness. Some are finishing touches on otherwise polished products. Others may require the construction of a new foundation.

Either way, these should be the focal points for each franchise to address through internal or external means.