Buster Posey ready to move on from baseball, says farewell
Posey out for 2020 as MLB teams deal with churning rosters
Report: Giants' Buster Posey will announce retirement - NBC Sports
Retired Giants catcher Buster Posey goes back to school to complete his degree from Florida State
On this date, 2010: Giants rookie Buster Posey makes lasting impression in debut – Daily Democrat
Giants' Buster Posey opts out of MLB season after he and his wife adopt newborn twins - The Washington Post
Giants catcher Buster Posey will announce retirement - Los Angeles Times
Tracking MLB Opt-Outs - NBC Sports
Even after Buster Posey's retirement, Giants catcher Joey Bart must earn his time behind the plate - The Athletic
Giants' Buster Posey explains why he chose to retire from MLB – NBC Sports Bay Area & California
With Buster Posey sitting out, who is the face of 2020 SF Giants? – Daily Democrat
Buster Posey officially opts out of the 2020 MLB season