Giants' Buster Posey opts out of 2020 MLB season, citing newborns' health - ESPN
Buster Posey announces adoption of twin girls, opts out of shortened 2020 season – SFBay
Giants' Buster Posey Opts Out of Virus-Shortened Season – NBC Bay Area
San Francisco Giants plan to exercise Buster Posey's $22M option if he wants to keep playing - ESPN
Buster Posey's decision to opt out heightens his legacy with Giants
Buster Posey joins Giants' ownership group
Overwhelmed with joy': Buster Posey reveals his reason for opting out in 2020 - The Athletic
San Francisco Giants catcher Buster Posey to sit out season over COVID-19 concerns
San Francisco Giants' Buster Posey opts out of 2020 season
Giants' Buster Posey opts out of 2020 MLB season, citing newborns' health - ESPN
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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
Giants star Buster Posey sitting out the 2020 season – Daily News
Buster Posey opts out of 2020 MLB season - McCovey Chronicles