Giants' Buster Posey may opt out of 2020 MLB season

Buster Posey opts out of 2020 season over COVID-19 concerns after adopting twin girls

SF Giants catcher Buster Posey shines in loss to Angels

Citing the Pain of a Demanding Job, Buster Posey Retires at 34 - The New York Times

Angels Baseball: Buster Posey's opt-out decision puts spotlight on Mike Trout

AP Source: Giants C Buster Posey will announce retirement

Coronavirus: Giants' Buster Posey opts out of MLB season - Los Angeles Times

Giants' Buster Posey Opts out of MLB Restart, Citing Health of Newborn Twins, News, Scores, Highlights, Stats, and Rumors

Why Giants star Buster Posey's adoption of twin girls means he will sit out the season – Times Herald Online

Giants catcher Buster Posey will announce retirement - Los Angeles Times

Buster Posey back with Giants after opting out, slinging diapers

Buster Posey homers twice, Phillies' bullpen falters late in loss to Giants – The Morning Call