Buster Posey - Wikipedia
Buster Posey announces retirement
Buster Posey set to retire despite big season
Buster Posey announces retirement
SF Giants Opinions: Buster Posey Day was everything it needed to be - McCovey Chronicles
Former San Francisco Giants teammates weigh-in on Buster Posey's Retirement
Buster Posey, Major League Baseball, News, Scores, Highlights, Stats, and Rumors
San Francisco Giants plan to exercise Buster Posey's $22M option if he wants to keep playing - ESPN
How much longer can San Francisco Giants star Buster Posey remain a catcher? - ESPN
Buster Posey to remain San Francisco Giants' primary catcher this season - ESPN
Giants catcher Buster Posey will announce retirement Thursday, source says
Buster Posey announces retirement