Giants' Buster Posey opts out of 2020 season after adopting premature twins – NBC Sports Chicago
Retired Giants catcher Buster Posey goes back to school to complete his degree from Florida State
Giants catcher Buster Posey to retire from MLB
Giants star Buster Posey sitting out the 2020 season – Santa Cruz Sentinel
Giants' Buster Posey latest MLB star to opt out of 2020 season - Athletics Nation
Buster Posey is back behind plate after opting out in 2020
San Francisco Giants star Buster Posey opts out of 2020 season
Buster Posey adopts identical twins, will sit out 2020 season as COVID-19 precaution
Buster Posey officially opts out of the 2020 MLB season