Buster Posey opts out of 2020 season - MLB Daily Dish
Giants' Buster Posey still unsure if he'll opt out of season - ESPN
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Buster Posey opts out of 2020 MLB season: Giants star catcher
Giants catcher Buster Posey will announce retirement - Los Angeles
Buster Posey adopts identical twins, will sit out 2020 season as
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Giants star Buster Posey sitting out the 2020 season – Santa Cruz
Buster Posey skipping MLB season for his babies is a huge sacrifice
Giants' Buster Posey opting out of 2020 MLB season
Buster Posey opts out of 2020 MLB season - McCovey Chronicles
AP Source: Giants C Buster Posey will announce retirement