The Athletics lost for the sixth time in seven games.
Baltimore overcame an early two-run deficit with a three-run third that featured an RBI double by Jones and the Orioles piled on seven runs in a four-inning stretch beginning with the fifth.
Jason Hammel (3-1) benefited from the offense to get the easy win. He allowed only three hits and two unearned runs in six innings.
Baltimore roughed up starter Jarrod Parker (0-4) for six runs on eight hits in 5 1/3 innings.
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