The game was close throughout, with neither team leading by double figures. The Hawks were within 91-88 with under a minute left, but Conley's 19-footer with 32 seconds left closed out the scoring.
Zach Randolph had 10 points and eight rebounds for Memphis. Vince Carter, who signed a free-agent deal with the Grizzlies, saw his first action of the preseason, playing just under 13 minutes and scoring nine points, making a pair of 3-pointers.
John Jenkins led the Hawks with 15 points, while Dennis Schroder added 14, including 10 in the fourth quarter, to keep Atlanta close. Shelvin Mack had 11 points and eight assists, while Mike Scott finished with 10 points.
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