Leonard had 22 points and 15 rebounds in 38 minutes before exiting with an injured right ankle. Leonard stepped on Harden's foot with 5:37 left in the third quarter and then played limited minutes before sitting out overtime.
Harden had 33 points, 10 rebounds and 10 assists. He had a chance at potential tying 3-pointer in the final seconds of overtime, but was blocked from behind by Manu Ginobili.
The Associated Press contributed to this report.
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