The Spurs led 44-41 at halftime before outscoring the Hawks 38-26 in the third quarter.
The game provided Spurs coach Gregg Popovich time to visit his former longtime assistant, first-year Hawks coach Mike Budenholzer. The Hawks have another Spurs connection in second-year general manager Danny Ferry, who came to Atlanta after two years as San Antonio's vice president of basketball operations.
Budenholzer spent 19 years with the Spurs, including 17 as Popovich's assistant.
"I feel like I'm lost half the time when I turn to my right and my left and he's not there, suggesting to me who I should have in the game and that I should be changing the pick-and-roll defense," Popovich said. "All that kind of stuff. I'm a little bit more free now, but I'm not as smart."
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ATLANTA, GA - OCTOBER 17: Kyle Korver #26 defends as Elton Brand #42 of the Atlanta Hawks blocks a pass by Marco...