Giants catcher Buster Posey will announce retirement - Los Angeles Times
SF Giants' Buster Posey opts out of 2020 season after adopting twins
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
Nevius: Buster Posey's bold decision to sit last year paying off for Giants
Buster Posey opts out of 2020 MLB season - McCovey Chronicles
Giants star Buster Posey sitting out the 2020 season – Santa Cruz Sentinel
Buster Posey skipping MLB season for his babies is a huge sacrifice
Giants' Buster Posey Opts out of MLB Restart, Citing Health of Newborn Twins, News, Scores, Highlights, Stats, and Rumors
Giants' Buster Posey opts out of season after adopting twins: 'Not a difficult decision
Buster Posey to remain San Francisco Giants' primary catcher this season - ESPN
Giants star catcher Buster Posey to sit out season over coronavirus concerns
Buster Posey - Wikipedia