Heat assign Pittman to D-League's Sioux Falls
Spoelstra says the move will give the second-year player from Texas more time to develop.
Pittman has played in only four games this season for the Heat and is averaging 1.5 points and 1.8 rebounds per game.
Miami has not filled his roster spot.
Copyright 2012 by The Associated Press
This story is from ESPN.com's automated news wire. Wire index
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