MLB Offseason Rumors: Buster Posey to announce retirement - Over
Report: Buster Posey Plans to Announce Retirement After 12 Seasons
MLB: Giants star Buster Posey retires from baseball
Giants' Buster Posey to retire, per report - MLB Daily Dish
Buster Posey ready to move on from baseball, says farewell – The
Giants' superstar catcher Buster Posey to retire
Buster Posey gets good news on X-ray for thumb injury
The San Francisco Giants are the Red Sox of the West, exceeding
Buster Posey's retirement creates opening for heralded Giants