Giants' Buster Posey opting out of 2020 MLB season
Buster Posey Joins San Francisco Giants Ownership Group - The New York Times
Orioles reset: Like Buster Posey before him, Adley Rutschman showing value of having a two-way catcher
Posey out for 2020 as MLB teams deal with churning rosters
San Francisco Giants catcher Buster Posey to sit out season over COVID-19 concerns
Buster Posey opts out of 2020 season - MLB Daily Dish
Giants catcher Buster Posey makes NL All-Star team for seventh time
How the SF Giants got the best of Buster Posey when no one expected it – Times Herald Online
With Buster Posey sitting out, who is the face of 2020 SF Giants? – Daily Democrat
Giants star catcher Posey out this year over virus concerns
SF Giants catcher Buster Posey shines in loss to Angels
Report - San Francisco Giants' Buster Posey plans to retire Thursday - ESPN
Giants' Buster Posey Wins 2021 NL Comeback Player of the Year – NBC Connecticut
Coronavirus: Giants' Buster Posey opts out of MLB season - Los Angeles Times
Tracking MLB Opt-Outs - NBC Sports