Giants' Buster Posey opts out of 2020 season after adopting premature twins – NBC Sports Chicago
Buster Posey back with Giants after opting out, slinging diapers
Here We Are, Again': The Giants Stick to a Formula That Works - The New York Times
Giants' Buster Posey arrives in camp but says he still might opt out
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Giants' Buster Posey will opt out of pandemic-shortened 2020 season
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Buster Posey opting out of 2020 MLB season - DraftKings Network
Why Buster Posey returned to Giants after opting out of 2020 season – NBC Sports Bay Area & California
Giants' Buster Posey, with health concerns over adopted twins, will opt out of 2020 season