Watch Buster Posey throw the ball back to pitcher Jake Peavy’s glove without Peavy looking at the ball

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Buster Posey hits the third grand slam of his career, belting a shot over the left-field fence to give the Giants a 4-1 lead

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Buster Posey is called out on fan interference after the umpiring crew reviews his foul ball along the right-field line

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