Coronavirus: Giants' Buster Posey opts out of MLB season - Los Angeles Times
Buster Posey misses third workout at Giants camp - NBC Sports
San Francisco Giants catcher Buster Posey to sit out season over COVID-19 concerns
Report - San Francisco Giants' Buster Posey plans to retire Thursday - ESPN
SF Giants' Buster Posey set to announce retirement on Thursday, per report – Daily Democrat
Buster Posey's Career Was Short But Elite. Will It Land Him In The Hall Of Fame?
Buster Posey officially opts out of the 2020 MLB season
MLB on FOX - San Francisco Giants catcher Buster Posey
Buster Posey, Giants catcher, out in 2020 over COVID-19 concerns