Mets to Retire Jerry Koosman's Jersey - The New York Times
New York Mets - Wikipedia
NY Mets to retire Jerry Koosman's number next season, Jeff Wilpon says
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Mets to retire Jerry Koosman's No. 36 in June - Newsday
Tom Seaver, Mets Hall of Fame pitcher, dies
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Jerry Koosman's No 36 to be retired by Mets in June - ESPN
Mets to honor Tom Seaver with street renaming this Thursday at