BALTIMORE (Interstat) — Ranger Suarez pitched seven scoreless innings and Mickey Gasper hit a first-inning solo home run as the Boston Red Sox defeated the Baltimore Orioles 1-0 on Friday at Oriole Park at Camden Yards.

Suarez (6-4) allowed five hits and struck out three to help Boston improve to 77-65. Gasper, who finished 2 for 4, homered to right off Shane Baz for the game’s only run.

Aroldis Chapman earned his 32nd save with a scoreless ninth. Garrett Whitlock pitched a scoreless inning in relief. Baltimore fell to 69-73.

Baz (5-15) allowed four hits and one earned run in 6 1/3 innings with six strikeouts. Cam Sanders struck out two in one inning for the Orioles. Blaze Alexander went 3 for 4. Baltimore had six hits, while Boston had five, and the Orioles grounded into two double plays. Attendance was 19,821 and the game lasted 2:31. The teams continue the series Saturday.