AP Source: Giants C Buster Posey will announce retirement
Giants' Buster Posey expected to announce retirement: reports
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Giants Star Buster Posey Announces Retirement – NBC Bay Area
FSU to retire baseball star Buster Posey's jersey
Buster Posey announces retirement
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San Francisco Giants catcher Buster Posey's expected retirement
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Buster Posey - Wikipedia
Buster_Posey
Buster Posey ready to move on from baseball, says farewell