Buster Posey opts out of 2020 season over COVID-19 concerns after
BCB After Dark: Giants Buster Posey retires Hall of Fame - Bleed Cubbie Blue
Posey out for 2020 as MLB teams deal with churning rosters
MLB 2020 Should Have Been the Season of the Robot Umpire
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Mets slugger Yoenis Cespedes opts out of MLB season over coronavirus concerns - Los Angeles Times
Giants' Buster Posey may opt out of 2020 MLB season
Price, Posey, MLBers who opted out for virus excited for '21
San Francisco Giants' Donovan Solano tests positive for COVID-19; Buster Posey sits again - ESPN
San Francisco Giants catcher Buster Posey to sit out season over COVID-19 concerns
Dodgers pitcher David Price opts out of 2020 MLB season
Dusty Baker: Some players 'uncomfortable' playing amid specter of COVID-19