Giants' Buster Posey, with health concerns over adopted twins, will opt out of 2020 season
Buster Posey returns to SF Giants organization in a new role - Sports Illustrated San Francisco Giants News, Analysis and More
Is Buster Posey a First Ballot Hall of Famer? : r/baseball
Buster Posey's greatest MLB moments
Millions' of children have been helped by Buster Posey's cancer research foundation - ABC7 San Francisco
Pebble Beach Pro-Am: Former Giants catcher Buster Posey to take part in tournament – Monterey Herald
Giants' Buster Posey latest MLB star to opt out of 2020 season - Athletics Nation
Buster Posey Retires to Focus on Family. Fans React with Love.
Giants' Buster Posey will announce retirement: report
Buster Posey's decision to opt out heightens his legacy with Giants