Buster Posey says farewell, thanks to Giants fans: 'Very important for me
Giants' Buster Posey expected to announce retirement: reports
MLB: Giants star Buster Posey retires from baseball
Buster Posey's reaction to Game 162 hinted at retirement to Sergio Romo – NBC Sports Bay Area & California
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Buster Posey ready to move on from baseball, says farewell
SF Giants pull out all the stops to honor Buster Posey
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For Posey and Giants Fans, Timing Is Everything - The New York Times