Buster Posey announces retirement
Buster_Posey
AP Source: Giants C Buster Posey will announce retirement
Giants Buster Posey announces retirement at press conference - McCovey Chronicles
AP Source: Giants C Buster Posey will announce retirement
Buster_Posey
AP Source: Giants C Buster Posey will announce retirement
LIVE: Buster Posey announces retirement at Oracle Park
Giants' Buster Posey expected to announce retirement: reports