Buster Posey officially opts out of the 2020 MLB season
Giants' Buster Posey Wins 2021 NL Comeback Player of the Year – NBC Connecticut
With Buster Posey sitting out, who is the face of 2020 SF Giants? – Daily Democrat
Posey out for 2020 as MLB teams deal with churning rosters
Giants' Kapler Reiterates Buster Posey Is 'Surefire Lock' to Be Starting Catcher – NBC Bay Area
Giants legend Buster Posey going back to school to earn degree from FSU – KION546
Retired Giants catcher Buster Posey goes back to school to complete his degree from Florida State
Giants don't view Joey Bart as next up after Buster Posey opts out of season – KNBR
Giants star catcher Posey out this year over virus concerns
Leesburg native Buster Posey named National League All-Star starter at catcher, Sports
Tracking MLB Opt-Outs - NBC Sports
Giants' Buster Posey will announce retirement Thursday: report
Citing the Pain of a Demanding Job, Buster Posey Retires at 34 - The New York Times
Pebble Beach Pro-Am: Former Giants catcher Buster Posey to take part in tournament