Buster Posey announces retirement
Citing the Pain of a Demanding Job, Buster Posey Retires at 34 - The New York Times
Buster Posey announces retirement
Surprise retirements from MLB players
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Family at forefront of Lee County grad Buster Posey's MLB retirement decision, Sports
Sports and Spirituality: 2021
FSU legend and Major League Baseball star Buster Posey announces retirement
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Giants legend Buster Posey officially retires, cites family, other reasons
Bruce Robinson – Society for American Baseball Research
Buster Posey announces retirement
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Family at forefront of Lee County grad Buster Posey's MLB retirement decision, Sports
2018 18U National Team Alums Prep for 2019 MLB Draft