Giants' Buster Posey is unexpectedly retiring, according to reports
Retired Giants catcher Buster Posey goes back to school to complete his degree from Florida State
Report: San Francisco Giants catcher Buster Posey to announce retirement Thursday
Giants evaluating replacements for Buster Posey
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 Thursday, source says
San Francisco Giants Catcher Buster Posey Opts Out of MLB 60-Game Season - 750 The Game
Giants' Buster Posey latest MLB star to opt out of 2020 season - Athletics Nation
Giants' Buster Posey to retire, per report - MLB Daily Dish
SF Giants News: Buster Posey to announce his retirement tomorrow - McCovey Chronicles
LIVE: Buster Posey announces retirement at Oracle Park
Longtime Giants catcher Buster Posey announces retirement after 12 seasons