BALTIMORE (Interstat) — Matthew Boyd pitched six innings of three-hit shutout ball as the Chicago Cubs defeated the Baltimore Orioles 5-2 on Tuesday night at Oriole Park at Camden Yards.

Boyd struck out seven and walked none, improving to 4-1. Trent Thornton earned his second save. Shane Baz took the loss, falling to 4-9 after allowing three earned runs over six innings.

The Cubs scored one in the third on Alex Bregman’s RBI single, added two in the fifth on Pete Crow-Armstrong’s run-scoring single and a Bregman force out. Michael Busch’s sacrifice fly in the seventh made it 4-0. Baltimore answered in the bottom half on Adley Rutschman’s two-run single. Dansby Swanson’s RBI single in the eighth restored the three-run lead.

The Cubs had 10 hits; the Orioles six. Chicago improved to 51-40; Baltimore fell to 42-50. Attendance was 16,200, and the game lasted 2 hours, 56 minutes.