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Buster Posey Joins San Francisco Giants Ownership Group - The New York Times
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Buster Posey set to retire despite big season
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Giants' Buster Posey will announce retirement: report
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Buster Posey announces retirement
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Giants' Buster Posey reportedly set to retire Thursday
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Buster Posey announces retirement
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Buster Posey explains why he retired after celebrated career with Giants