San Francisco Giants Catcher Buster Posey to Skip 2020 MLB Season - Bloomberg
Giants' Buster Posey to announce retirement Thursday: Sources - The Athletic
MLB's Mike Trout, Buster Posey Consider Opting Out Of Season –
Buster Posey - Wikipedia
Giants' Buster Posey may opt out of 2020 MLB season
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Giants' Buster Posey Retires, Ending 7-Time All-Star's Career At 34