BOSTON -- - Brent Rooker homered in a three-run first inning and J.T. Ginn limited Boston to five hits over six innings on Thursday to lead the Athletics to a 5-3 victory over the Red Sox.

The A's started the game with four straight hits, including Rooker's two-run shot - his 30th of the season. Ginn (4-6) allowed two runs while walking one and striking out three.

Hogan Harris pitched two innings for his fourth save.

David Hamilton and Trevor Story each hit a solo homer for Boston, which lost for the fifth time in seven games. The Red Sox entered the day tied with Seattle for the third and final AL wild-card spot, two games ahead of Cleveland.

Brayan Bello (11-8) allowed four runs - three earned - on five hits and two walks while striking out three in four innings.

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