Giants' Buster Posey will announce retirement Thursday: report
SF Giants' Buster Posey set to announce retirement on Thursday
Buster Posey ready to move on from baseball, says farewell
Source: Giants' Buster Posey to announce MLB retirement in
Longtime Giants catcher Buster Posey announces retirement after 12
Buster Posey expected to retire after remarkable 12-year run with
Buster Posey announces retirement
Giants' Buster Posey expected to announce retirement: reports
AP Source: Giants C Buster Posey will announce retirement