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(AP) -- Adam Jones homered with one out in the 15th inning, lifting the Baltimore Orioles to a 4-3 victory over the Kansas City Royals on Wednesday night.

Jones was hitless in six at-bats before connecting for his team-leading 12th home run - nine of them tying the game or giving the Orioles a lead.

Jones sent a 2-2 pitch from Nate Adcock (0-1), the fifth Kansas City pitcher, far over the left field wall.

The Orioles improved to 5-0 in extra-inning road games.

Kevin Gregg (1-1) pitched two hitless innings, walking one, to pick up the victory. Jim Johnson earned his 13th save.

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