Buster Posey off to strong start in 2021 season
Giants' Buster Posey Wins 2021 NL Comeback Player of the Year – NBC Connecticut
Madden: Giants and Cardinals proving that geezers can play
Nevius: Posey's surprise retirement is understated, typical Buster
Buster Posey Announces Retirement - MLB Trade Rumors
Dodgers struggle in 4-0 loss to Giants in NLDS Game 1 - Los Angeles Times
Looking back on Buster Posey's Giants career, season by season
Buster Posey retires: Giants catcher's singular career, legacy - Sports Illustrated
Thank You Buster - Diamond Digest
Buster Posey's Hall of Fame resume heavy on playoff success, light on traditional statistics
Giants legend Bruce Bochy explains why Buster Posey will have a big season in 2021
Giants plan to exercise Posey's $22M option if he will play
Turner's error lets Posey, Giants take 1st over Dodgers