Buster Posey retires after 12 years with San Francisco Giants
Buster Posey announces retirement
San Francisco Giants to honor Buster Posey before May 7 game at Oracle Park - ABC7 San Francisco
Buster Posey returns to college after 15 years of playing ball - Sactown Sports
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Buster Posey Retires — Is He a Hall of Famer? – The Fordham Ram
Buster Posey retires after 12 seasons
SF Giants set Buster Posey ceremony for May 7 at Oracle Park
Buster Posey ready to move on from baseball, says farewell
FSU legend and Major League Baseball star Buster Posey announces retirement
Buster Posey retires from baseball after 12 MLB seasons – NSS
Posey decides to retire from San Francisco - WQKT Sports Country Radio - Wooster Ohio
Three-time champ Buster Posey becomes first former player to join San Francisco Giants ownership group - ESPN