MLB world reacts to shocking Buster Posey retirement news
Buster Posey retires: Giants catcher's singular career, legacy - Sports Illustrated
Giant among Giants: Buster Posey retires near the top of his game National News - Bally Sports
San Francisco Giants legend Buster Posey retires – The Phoenix
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MLB Twitter reacts to Buster Posey's shocking Giants retirement – NBC Sports Bay Area & California
Buster Posey - MLB News, Rumors, & Updates
Buster Posey retires: Giants catcher's singular career, legacy - Sports Illustrated
Buster Posey announces retirement
Surprise retirements from MLB players
Buster Posey's reaction to Game 162 hinted at retirement to Sergio Romo – NBC Sports Bay Area & California
