BOSTON (Interstat) — Max Muncy doubled home Donovan Walton in the ninth inning as the Athletics beat the Red Sox 4-3 on Sunday at Fenway Park.

J.T. Ginn allowed one run and five hits over six innings for the Athletics. Brayan Bello allowed one run and three hits over four innings for Boston. Jonah Heim tied it with an RBI double in the eighth. Elvis Alvarado (4-3) earned the win with a scoreless inning of relief, and Hogan Harris pitched the ninth for his 11th save. Aroldis Chapman (2-4) took the loss.

The Athletics scored in the first on Tyler Soderstrom’s groundout and in the fourth on Tommy White’s groundout. Boston tied it in the second on Eli White’s RBI single, then took a 3-2 lead in the fifth on Nick Sogard’s fielder’s choice and Wilyer Abreu’s sacrifice fly.

The Red Sox had six hits, while the Athletics finished with nine. Attendance was 36,817, and the game lasted 2:38. Boston fell to 64-53; the Athletics improved to 47-71.