Nevius: Posey's surprise retirement is understated, typical Buster
Buster Posey, Marlins legend? Two wild pitches, two homers that changed paths for two MLB franchises
Buster Posey retires from baseball after 12 MLB seasons – NSS
Giants' Posey out, Crawford in lineup day after injuries - The San Diego Union-Tribune
SF Giants Buster Posey will remain starting catcher for 2021 season – Bobino Sports Break
San Francisco Giants injury updates: Buster Posey and Brandon Belt - McCovey Chronicles
Giants icon Buster Posey to join team's ownership group
Looking back on Buster Posey's Giants career, season by season
A lot has changed with Buster Posey's game, and it's working – KNBR