Mets retire Koosman's 36 five decades after '69 heroics
Mets Retire Legendary Pitcher Jerry Koosman's No. 36 - Sports
MLB History: Mets All-Time Starting Lineup (1969-2021) - Overtime
Mets to Retire Jerry Koosman's Jersey - The New York Times
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Mets announce Jerry Koosman number retirement date –
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Jerry Koosman's No. 36 to Be Retired By Mets in June – NBC New York
Jerry Koosman number retirement set for June 13 - Amazin' Avenue
