Giants star catcher Posey out this year over virus concerns
Buster Posey's Career Was Short But Elite. Will It Land Him In The Hall Of Fame?
Buster Posey officially opts out of the 2020 MLB season
LIVE: Buster Posey announces retirement at Oracle Park
San Francisco Giants plan to exercise Buster Posey's $22M option if he wants to keep playing - ESPN
AP Source: Giants C Buster Posey will announce retirement
Giants catcher Buster Posey will announce retirement - Los Angeles Times
Buster Posey opts out of 2020 season over COVID-19 concerns after adopting twin girls
San Francisco Giants legend Buster Posey announces retirement - AmadorValleyToday