Giants' Posey out, Crawford in lineup day after injuries
Who Will Benefit from the MLB Layoff as the 2020 Season Starts? - The New York Times
Price, Posey, MLBers who opted out for virus excited for '21
MLB on FOX - San Francisco Giants catcher Buster Posey
Posey out for 2020 as MLB teams deal with churning rosters
Giants star catcher Buster Posey opts out of 2020 MLB season
AP sources: Several MLB umpires opt out over COVID-19 concerns
Buster Posey sets record with Giants, catches 1,000th game
Even after Buster Posey's retirement, Giants catcher Joey Bart must earn his time behind the plate - The Athletic
BCB After Dark: Giants Buster Posey retires Hall of Fame - Bleed Cubbie Blue