Retired Giants catcher Buster Posey goes back to school to complete his degree from Florida State
Citing the Pain of a Demanding Job, Buster Posey Retires at 34 - The New York Times
Buster Posey: San Francisco Giants' 7-time All-Star catcher to retire
The time Buster Posey's (Hall of Fame?) career took a detour through Reno
Citing the Pain of a Demanding Job, Buster Posey Retires at 34 - The New York Times
SF Giants: With Buster Posey retired, is it Joey Bart's time for an extended look? – Daily Democrat
Posey out for 2020 as MLB teams deal with churning rosters
Thank You, Buster by Brandon Crawford
AP Source: Giants C Buster Posey will announce retirement