BALTIMORE — Zach Eflin allowed four hits over seven shutout innings and the Baltimore Orioles beat the Chicago White Sox 2-1 on Friday.

Eflin (4-2) struck out six and walked one in his first scoreless outing this season while lowering his ERA nearly a run to 4.46.

Ramón Urías broke a scoreless tie with a sixth-inning sacrifice fly off Sean Burke (3-6). Ryan Mountcastle then swiped home on a double steal, then left before the eighth inning with right hamstring discomfort.

Bryan Baker worked a perfect eighth in a game originally scheduled to start at 7:05 p.m. that was moved up to 4:30 p.m. because of expected inclement weather in the area, before Felix Bautista gave up Andrew Benintendi’s RBI double in the ninth then stranded two for his ninth save.

Burke worked six innings after opener

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