Sean Manaea struck out nine in seven dominant innings, and the Oakland Athletics beat the Chicago White Sox 3-1 on Thursday.
Manaea (9-9) allowed one run and five hits in his first win since July 28. The left-hander went 0-3 with an 8.00 ERA in his previous six starts.
Tony Kemp and Matt Chapman each drove in a run for Oakland, which took two of three games in the series.
Jose Abreu had two hits and drove in a run for the AL Central-leading White Sox, who have lost 10 of their last 11 regular-season games at the Oakland Coliseum.
Reynaldo Lopez was charged with one earned run and six hits in five innings.
Carlos Rodon (11-5, 2.41 ERA) is expected to start Friday night when Chicago returns home to open a three-game series against Boston.