Citing the Pain of a Demanding Job, Buster Posey Retires at 34 - The New York Times
Giants news: San Francisco makes shocking decision on Buster Posey's prized replacement
Giants' Buster Posey revitalized by 2020 opt-out
Why is Buster Posey retiring? Giants MVP catcher reportedly calling it a career
Giants legend Buster Posey re-enrolls at FSU to earn college degree – NBC Sports Bay Area & California
Giants catcher Buster Posey to retire from MLB
Stats could hurt Buster Posey's Hall of Fame candidacy, Duane Kuiper says – NBC Sports Bay Area & California
AP: Giants Catcher Buster Posey Will Announce Retirement, Sports
Retired Giants catcher Buster Posey goes back to school to complete his degree from Florida State
Buster Posey: Breaking News, Rumors & Highlights
Giants catcher Buster Posey will announce retirement - Los Angeles Times
MLB offseason tracker: Blue Jays add Chad Green to bullpen MLB - Bally Sports
Buster Posey announces retirement