BOSTON (Interstat) — Kyle Bradish pitched six strong innings and the Baltimore Orioles scored four runs in the first inning to beat the Boston Red Sox 5-1 in the first game of a doubleheader Wednesday at Fenway Park.

Bradish allowed one run on four hits with four strikeouts to improve to 7-9. Eduardo Rivera took the loss in his first decision of the season for Boston.

Dylan Beavers delivered a two-run single in the opening frame, scoring Gunnar Henderson and Tyler O’Neill. Johnathan Rodríguez followed with an RBI double to make it 4-0. Baltimore added a run in the seventh.

Masataka Yoshida drove in Boston’s lone run with a ground-ball single in the fourth inning. The Red Sox managed five hits off Baltimore pitching.

Brayan Bello worked 5 1/3 scoreless innings of relief for Boston, allowing four hits with five strikeouts. The Orioles improved to 50-53, while the Red Sox fell to 52-49.

Attendance was 38,005. The game lasted 2 hours, 48 minutes.