Giants catcher Buster Posey to retire from MLB
I'm walking off this field': Retiring Giants legend Buster Posey
Buster Posey plans to retire, ending his storied Giants career
Legendary SF Giants catcher Buster Posey returns to Florida St
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MLB: Giants star Buster Posey retires from baseball
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Retired Giants catcher Buster Posey goes back to school to
Report - San Francisco Giants' Buster Posey plans to retire
Buster Posey announces retirement
Major League Baseball links - Buster Posey retires, Tigers add