The defending NBA champion Heat had a five-game home winning streak snapped and were held to a season-low point total on their own floor. Their home record dropped to 15-3.
Chicago pulled away in the fourth quarter after Miami had closed within three points. The Bulls dominated the rebounding battle 48-28.
Joakim Noah, who had missed a game due to illness, returned to score 13 points and claim 12 boards. It was Chicago's third win in four games.
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