San Francisco Giants star Buster Posey opts out of 2020 season
Buster Posey retirement: Giants catcher's career ends fittingly - Sports Illustrated
Giants place Buster Posey on injured list with thumb injury; he'll miss All- Star Game
Giants' Buster Posey opts out of 2020 season
Thank you SF Giants for a fun, wild, surprising 2020 season
Buster Posey Joins San Francisco Giants Ownership Group - The New York Times
SF Giants HQ: A different buzz around Buster Posey, the smooth swing of Heliot Ramos and more – Daily Democrat
San Francisco Giants' Buster Posey opts out of 2020 season
Buster Posey opts out of 2020 season - Lone Star Ball