Buster Posey scratched with hip tightness
Buster Posey sets record with Giants, catches 1,000th game
AP Source: Giants C Buster Posey will announce retirement
Some MLB umpires will opt out of the 2020 season over covid-19 fears - The Washington Post
Ian Desmond and Ryan Zimmerman the latest MLB players to opt out of the 2020 season over COVID-19 concerns – The Virginian-Pilot
Buster Posey, Giants catcher, out in 2020 over COVID-19 concerns
Big Stars Are Sitting Out the MLB Season. Other Players Have No Choice but to Play. - WSJ
MLB opt-out tracker: Full list of players who have opted out during COVID-19 pandemic
Giants' Buster Posey Opts Out of Virus-Shortened Season – NBC Bay Area
Timeline of how the COVID-19 pandemic has impacted the 2020 Major League Baseball season
MLB players who are opting out of the 2020 season - ESPN
San Francisco Giants roster and schedule for 2020 season - NBC Sports
Giants star catcher Buster Posey to sit out season over coronavirus concerns