AP Source: Giants C Buster Posey will announce retirement
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Giants' Buster Posey expected to announce retirement: reports
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AP Source: Giants C Buster Posey will announce retirement, News
Giants' Buster Posey expected to announce retirement: reports
Buster Posey announces retirement
Giants Buster Posey announces retirement at press conference - McCovey Chronicles
Former FSU great Buster Posey announces retirement from baseball