MLB News: Giant farewell: Buster Posey retires with three World

Buster Posey set to retire despite big season

Buster Posey announces retirement

San Francisco Giants' Buster Posey retires, citing family, physical toll of game - ESPN

Citing the Pain of a Demanding Job, Buster Posey Retires at 34 - The New York Times

Totally Different From Other Catchers”: Shohei Ohtani Sends a Heartfelt Message to Buster Posey on Retirement - EssentiallySports

Giants star catcher Buster Posey bids farewell to baseball

Buster Posey explains why he retired after celebrated career with Giants

Giants' Buster Posey Retires, Ending 7-Time All-Star's Career At 34