The Houston Rockets got contributions from several players Sunday night against the Spurs. In closing time, they turned to James Harden again. Harden sank an off-balance jumper with 4.5 seconds left to lift the Rockets to a 96-95 victory over San Antonio. Harden scored 18 of his 29 points in the second half as the Rockets rallied from three down in the final minute to snap a four-game losing streak to their state rivals.