Buster Posey opts out of 2020 season over COVID-19 concerns after

Posey, Crawford & Belt, 10-years Service Time Trio

MLB players opting out of 2020 season: David Price, Ian Desmond, Ryan Zimmerman headline list of players sitting out due to coronavirus concerns

Giants star catcher Posey out this year over virus concerns

Giants' Buster Posey Won't Play in 2020 MLB Season Due to Twin Newborns' Health amid Coronavirus

Buster Posey's retirement could cost Giants in free agency, Duane Kuiper says – NBC Sports Bay Area & California

Buster Posey's decision to opt out heightens his legacy with Giants

Ian Desmond and Ryan Zimmerman the latest MLB players to opt out of the 2020 season over COVID-19 concerns – The Virginian-Pilot

Cardinals closer Jordan Hicks latest MLB player to opt out of 2020 season

Giants' Buster Posey explains why he chose to retire from MLB – NBC Sports Bay Area & California

Sports Are Back. Here Are Some Athletes Who Are Not. - The New York Times

Giants' Buster Posey opts out of 2020 MLB season, citing newborns' health - ESPN

Giants' Buster Posey, with health concerns over adopted twins, will opt out of 2020 season

MLB on FOX - San Francisco Giants catcher Buster Posey

Buster Posey retirement: Giants catcher's career ends fittingly - Sports Illustrated