The Pacers raced to a 16-point lead through one period and spent the rest of the evening fighting off the Rockets, who had won their previous three games.
Hibbert made 11-of-17 shots and was backed up by a season-best 21 points from Lance Stephenson. Paul George and Tyler Hansbrough had 16 points each for the Pacers.
Smith's 18 points were one more than the entire Indiana reserve corps could muster.
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