SF Giants News: Should the Giants retire Buster Posey's number? - McCovey Chronicles
Giants legend Buster Posey officially retires, cites family, other reasons
Buster Posey plans to retire, ending his storied Giants career
Buster Posey reflects on his transition from franchise catcher to Giants investor - The Athletic
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Giants Star Buster Posey Announces Retirement – NBC Bay Area
SF Giants News: Buster Posey joins Giants ownership group - McCovey Chronicles
Buster Posey: San Francisco Giants' 7-time All-Star catcher to retire
SF Giants News: Buster Posey to announce his retirement tomorrow - McCovey Chronicles
Buster Posey Joins San Francisco Giants Ownership Group - The New York Times
Report: San Francisco Giants catcher Buster Posey to announce retirement Thursday
SF Giants: Buster Posey, Brandon Belt, and Brandon Crawford's contracts - McCovey Chronicles