MEMPHIS, Tenn. - James Harden had 32 points and 10 assists, Josh Smith scored 21 points in his Rockets debut, and Houston beat the Memphis Grizzlies 117-111 in overtime on Friday night.

Trevor Ariza finished with 15 points, while Corey Brewer added 13. Patrick Beverley had 12 points for the Rockets, who took over the top spot in the Western Conference's Southwest Division.

Dwight Howard had only six points, but connected on all four of his free throws in overtime. He grabbed 11 rebounds.

Marc Gasol led Memphis with 29 points, while Beno Udrih contributed 17. Quincy Pondexter scored 14, and Vince Carter had 10, including a pair of 3-pointers in the fourth quarter to fuel a Memphis rally.

The teams were tied at 104 at the end of regulation after Gasol's jumper at the end of the fourth bounced away.