Adley Rutschman and Ryan Mountcastle hit back-to-back home runs in the first inning and the Baltimore Orioles held on to nip the visiting Athletics 3-2 in a series opener Friday night.
Baltimore rode seven innings of solid pitching from Tomoyuki Sugano to pull out a victory despite registering only three hits.
Nick Kurtz and Tyler Soderstrom each had two hits for the Athletics, who were coming off a series victory at Washington.
A's starter J.T Ginn (2-4) lasted five innings, allowing three runs on three hits with two walks and nine strikeouts.
Baltimore went ahead in the first inning when Gunnar Henderson walked and scored on Rutschman's ninth homer of the season. Mountcastle, who was playing in his first big-league game in more than two months, followed with his third long ball of th