BALTIMORE -- Ryan Mountcastle homered in his first at-bat since late May one batter after Adley Rutschman connected for a two-run shot, and the Orioles completed a 3-2 victory over the Athletics in Friday night’s series opener at Camden Yards.

Mountcastle’s first-inning shot off J.T. Ginn (2-4) to dead center was his first since April 30, a month before he landed on the IL with a hamstring strain. He finished 1-for-3 as a DH after returning to a lineup far different than the one he departed; The O’s dealt Ryan O’Hearn and Ramón Laureano to the Padres at the Trade Deadline , and sent Cedric Mullins to the Mets.

Tomoyuki Sugano (9-5) allowed a run on five hits over seven strong innings in his lengthiest outing since going seven frames in a win at the Mariners on June 3. Despite Rutsc

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