Nevius: Posey's surprise retirement is understated, typical Buster
Buster Posey wins 2012 NL Comeback Player of the Year award - SB Nation Bay Area
Buster Posey tells KNBR he'd like to be involved with Giants going forward – KNBR
Buster Posey announces retirement
AP Source: Giants C Buster Posey will announce retirement
Giants Star Buster Posey Announces Retirement – NBC Bay Area
Citing the Pain of a Demanding Job, Buster Posey Retires at 34 - The New York Times
MLB Insider Reminds Fans Of Buster Posey's Legacy
Nevius: Posey's surprise retirement is understated, typical Buster
Buster Posey plans to retire, ending his storied Giants career
Buster Posey Works Out Arm in Offseason Firing Dirty Diapers – NBC Bay Area