The decisive hits came in a six-run seventh inning outburst by Los Angeles.
Jerome Williams (5-2) gave up four runs on nine hits and struck out four through six innings to card the victory.
Pedro Strop (0-3) was the loser in relief, allowing four runs on three hits after coming into the game in the seventh.
That made it a no-decision for Baltimore starter Jason Hammel who surrendered four runs on seven hits in six-plus frames.
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