Buster Posey - Wikipedia
MLB Trade Rumors and News: Buster Posey retires during a busy day for baseball transactions - MLB Daily Dish
Nevius: Posey's surprise retirement is understated, typical Buster
SF Giants News: Buster Posey to announce his retirement tomorrow - McCovey Chronicles
LIVE: Buster Posey announces retirement at Oracle Park
Report: Buster Posey to announce retirement
Twenty-Seven USA Baseball Alumni Selected to 2021 MLB All-Star Game
Buster Posey retirement: 5 defining moments of SF Giants career
Buster Posey announces retirement
Buster Posey joins SF Giants ownership group as 1st ex-player
Buster Posey retirement: Giants legend to call it a career after 12 seasons - Sports Illustrated
Buster Posey announces retirement