Mets News: Mets to retire Jerry Koosman's number 36 in 2020. - Amazin' Avenue
NY Mets: Jerry Koosman had an all-time great World Series in 1969
Mets retire Koosman's 36 five decades after '69 heroics
Jerry Koosman number retirement set for June 13 - Amazin' Avenue
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The Players - Page 9 - Baseball History - MVP Mods
Why was it considered a miracle when the Mets won the World Series in 1969? - Quora
Humble Jerry Koosman joins Mets hopefully-expanding pantheon with number retirement
Mets retire Jerry Koosman's No. 36 in Citi Field ceremony
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