Surprise retirements from MLB players
Giants' Buster Posey will announce retirement Thursday: report
SF Giants News: Should the Giants retire Buster Posey's number
Citing the Pain of a Demanding Job, Buster Posey Retires at 34
MLB Offseason Rumors: Buster Posey to announce retirement - Over
Buster Posey announces retirement
Buster Posey says farewell, thanks to Giants fans: 'Very important
Buster Posey retirement: Giants legend to call it a career after
Buster Posey Retires to Focus on Family. Fans React with Love.