San Francisco Giants' Buster Posey announces retirement
Buster Posey - San Francisco Chronicle
Buster Posey says farewell, thanks to Giants fans: 'Very important for me
Giant among Giants: Buster Posey retires near the top of his game National News - Bally Sports
Meet Buster Posey: Baseball's Superstar Catcher (All-Star Players): Edwards, Ethan: 9781477730041: : Books
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Major League Baseball links - Buster Posey retires, Tigers add Barnhart - Red Reporter
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San Francisco Giants legend Buster Posey announces retirement - AmadorValleyToday