It's rare for basketball players to see substantial improvement in their rebounding over the course of their career. Here's a preliminary look showing exactly that.
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Memphis Grizzlies' Hamed Haddadi, center, Golden State Warriors' Monta Ellis, left, and Warriors' Anthony Randolph go up for a rebound during the second half of an NBA basketball game, Monday, March 30, 2009 in Oakland, Calif. The Grizzlies beat the Warriors 114-109. (AP Photo/George Nikitin)