San Francisco Giants' Buster Posey (knee) out of lineup in win vs. New York Mets - ESPN
Buster Posey opts out of 2020 season - MLB Daily Dish
Giants catcher Buster Posey opts out of 2020 season
Buster Posey considers opting out of San Francisco Giants season - McCovey Chronicles
Buster Posey opts out of playing for San Francisco Giants in coronavirus-shortened MLB season - CBS News
Buster Posey's Career Was Short But Elite. Will It Land Him In The Hall Of Fame?
SF Giants' Buster Posey set to announce retirement on Thursday, per report – Times Herald Online
Giants plan to exercise Posey's $22M option if he will play
Looking back on Buster Posey's Giants career, season by season