Buster Posey retirement: Giants catcher's career ends fittingly - Sports Illustrated
Giants' Buster Posey undecided about playing; cites Covid risk
Giants' Buster Posey Opts Out of Virus-Shortened Season – NBC Bay Area
San Francisco Giants catcher Buster Posey to sit out season over COVID-19 concerns
Posey out for 2020 as MLB teams deal with churning rosters
Giants' Buster Posey may opt out of 2020 MLB season
Giants star catcher Posey out this year over virus concerns
Big Stars Are Sitting Out the MLB Season. Other Players Have No Choice but to Play. - WSJ
Buster Posey sets record with Giants, catches 1,000th game
The 2020 Season Won't Be the Distraction MLB Hopes - The Ringer
Former Tampa Bay Ray David Price Opts Out of 2020 Season
Buster Posey skipping MLB season for his babies is a huge sacrifice
Former Mariners ace Felix Hernandez decides not to play in 2020
Brewers' Lorenzo Cain opts out of 2020 MLB season as league deals with COVID -19 outbreaks