The NL West Has Only One Superteam, and That Team Has Buster Posey - The Ringer
Buster Posey announces retirement
Source: Giants' Buster Posey to announce MLB retirement in stunning move – NBC Sports Bay Area & California
Giants' Buster Posey explains why he chose to retire from MLB – NBC Sports Bay Area & California
SF Giants Buster Posey announces retirement after 12 seasons
Buster Posey announces retirement
Report: San Francisco Giants catcher Buster Posey to announce retirement Thursday
Buster Posey announces retirement
LIVE: Buster Posey announces retirement at Oracle Park
San Francisco Giants catcher Buster Posey's expected retirement announcement shocks fans - ABC7 San Francisco