Kyle Harrison, the left-handed starter who the Red Sox acquired from the Giants in the Rafael Devers trade, allowed just one hit in five scoreless innings in Worcester’s 1-0 loss to Iowa.

Before the Red Sox traded Rafael Devers to the Giants in June, tension emerged between Boston and Devers over his position this season. The conflict began when the team signed Alex Bregman and decided to play him at third base over Devers,