Kemp earned two RBIs on the hit and a third run scored when right fielder Mitch Haniger bobbled the ball. Kemp also had an sacrifice fly.
Adonis Garcia had three hits, including a double, and scored twice for the Braves, who have won two of three after losing seven straight. Dansby Swanson earned his first major league RBI with a sacrifice fly in the ninth.
Jose Ramirez (2-0) allowed a hit and hit a batter but struck out the side in the seventh to get the victory. Jake Barrett (1-2) took the loss. Jim Johnson pitched a scoreless ninth for his 11th save.