ATLANTA -- Mike Conley hit a 3-pointer with 53 seconds remaining, Zach Randolph scored 19 points and the Memphis Grizzlies remained unbeaten in the preseason with an 82-81 win over the Atlanta Hawks on Wednesday night.

Both teams rallied from double-digit deficits, the Hawks going ahead 77-76 on Paul Millsap's 3-pointer from the corner with 1:07 to go. Conley responded with a 3 of his own for Memphis (6-0) -- his only field goal of the night.

GRIZZLIES: Randolph also had 13 rebounds.

HAWKS: Kent Bazemore led with 18 points. ... Al Horford had 13 points and 14 rebounds.

LIKE THE REAL THING: Both teams had starters on the court at the end, giving the game a regular-season feel.

UP NEXT: The Hawks play their preseason finale Friday at Detroit, a preview of their regular season opener. The Grizzlies also close the preseason Friday, traveling to Orlando to take on the Magic.