Giants' Buster Posey Won't Play in 2020 MLB Season Due to Twin

Why you'll see so many San Francisco Giants players at multiple positions in 2020 – Daily Democrat

Retired Giants catcher Buster Posey goes back to school to complete his degree from Florida State

Kawakami: He's opting out of 2020, but Buster Posey has never been more valuable - The Athletic

Buster Posey of the San Francisco Giants Wins Phi Delta Theta Fraternity's Lou Gehrig Memorial Award - Phi Delta Theta Fraternity

2020 MLB season preview - Power Rankings and everything you need to know for 60-game sprint - ESPN

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

Buster Posey, Giants catcher, out in 2020 over COVID-19 concerns

Buster Posey sets record with Giants, catches 1,000th game

Buster Posey opts out of playing for San Francisco Giants in coronavirus-shortened MLB season - CBS News

Buster Posey opts out of 2020 season - MLB Daily Dish

FSU baseball to retire Giants great Buster Posey's jersey