Why is Buster Posey retiring? Giants MVP catcher reportedly calling it a career
Giants' Buster Posey explains why he chose to retire from MLB – NBC Sports Bay Area & California
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SF Giants Buster Posey announces retirement after 12 seasons
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Giants' Buster Posey expected to announce retirement: reports
Buster Posey Retires to Focus on Family. Fans React with Love.
Giant among Giants: Buster Posey retires near the top of his game National News - Bally Sports
Local fans react to Giants Buster Posey's retirement