Memphis won its third in a row, having moved 29 games above the .500 mark for the first time in franchise history. The Grizzlies jumped into a tie with Denver for the third seed in the Western Conference.
Jeremy Lin hit a 3-pointer with 1:33 remaining to tie the contest, but Houston did not score again.
Houston, standing seventh in the Western Conference playoff picture, was led by 30 points from James Harden.
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