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

Former Mariners ace Felix Hernandez decides not to play in 2020

Giants' Buster Posey latest MLB star to opt out of 2020 season - Athletics Nation

Buster Posey skipping MLB season for his babies is a huge sacrifice

Posey out for 2020 as MLB teams deal with churning rosters

The San Francisco Giants are the Red Sox of the West, exceeding all expectations - The Boston Globe

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

Coronavirus: Athletes who are opting out of playing in 2020 season

Giants star catcher Posey out this year over virus concerns

AP sources: About 10 MLB umpires opt out over virus concerns

Buster Posey sets record with Giants, catches 1,000th game

AP sources: Several MLB umpires opt out over COVID-19 concerns

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