Giants' Buster Posey, with health concerns over adopted twins
The Poseys
Buster Posey announces retirement
SF Giants' Buster Posey details emotional decision to retire: 'I went into this last season feeling like it might be my last' – Times Herald Online
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Buster Posey opts out of 2020 MLB season - McCovey Chronicles
Buster Posey, Brandon Crawford finalists for Players Choice Award – NBC Sports Bay Area & California
Giants consider Lee County native Buster Posey primary catcher in 2021 ahead of top prospect, Sports
Citing the Pain of a Demanding Job, Buster Posey Retires at 34 - The New York Times
Giants' Buster Posey, with health concerns over adopted twins, will opt out of 2020 season
Giants star Buster Posey sitting out the 2020 season – Santa Cruz Sentinel