Buster Posey officially opts out of the 2020 MLB season

Tracking MLB Opt-Outs - NBC Sports

Nevius: Giants' Joey Bart getting a major league education

AP Source: Giants C Buster Posey will announce retirement

Muntz Named to Buster Posey Award Watch List - Wake Forest University Athletics

Amy Gutierrez on Instagram: Buster Posey officially opts out of 2020 MLB season after he and wife Kristen officially became adoptive parents to twin baby girls yesterday. The twins were born prematurely

Giants catcher Buster Posey opts-out of the 2020 MLB season

Nevius: Buster Posey's bold decision to sit last year paying off for Giants

Giants evaluating replacements for Buster Posey

San Francisco Giants announce catcher Buster Posey has opted out of 2020 season - ABC7 San Francisco

2021 MLB Season Preview: Team-by-Team Capsules - The New York Times

Buster Posey opts out of 2020 season - Lone Star Ball

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

Lorenzo Cain is opting out of 2020 season - NBC Sports