CHICAGO—Pinch-hitter Brooks Baldwin lined an RBI single off Boston closer Aroldis Chapman with one out in the bottom of the ninth, lifting the Chicago White Sox to a 3–2 win over the Red Sox on Saturday.
Baldwin’s hit to left scored Luis Robert Jr. from second and gave Chicago a second straight win following an eight-game skid. It handed Chapman (2–1) his first loss as Boston dropped its fifth game in its past six.
Robert Jr. hit his first home run of the season, a two-run shot in the sixth that tied the game at 2.
Ceddanne Rafaela had two hits, including an RBI triple, and scored a run. Trevor Story added two hits and Romy Gonzalez drove in a run.
Boston starter Richard Fitts allowed just two singles, while striking out five and walking one in five innings before leaving with right shoulder pain as he faced Miguel Vargas leading off the sixth.
Zack Kelly completed a walk to Vargas. After Nick Maton struck out, Robert lined Kelly’s down-the-middle 2–0 fastball to the bullpen.
Tyler Gilbert (1–0) got the last out in the ninth for the win. White Sox starter Martin Pérez allowed two runs and five hits in 4 2/3 innings.