Major League Baseball links - Buster Posey retires, Tigers add
Buster Posey announces retirement
SF Giants Opinions: Buster Posey Day was everything it needed to
Nevius: Posey's surprise retirement is understated, typical Buster
Buster Posey ready to move on from baseball, says farewell
Buster Posey says farewell, thanks to Giants fans: 'Very important
Buster Posey reflects on why and when he decided to retire – KNBR
Buster Posey announces retirement
Buster Posey to announce retirement – KRON4
Buster Posey announces retirement
Buster Posey ready to move on from baseball, says farewell