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Jerry Koosman's number retirement, 08/28/2021

Jerry Koosman: Playoff Ace for NY Mets - Mets History

Jerry Koosman number retirement set for June 13 - Amazin' Avenue

Mets announce Jerry Koosman number retirement date –

Jerry Koosman's Mets number retirement is finally here

Jerry Koosman Jersey Retirement Ceremony

Tom Seaver, heart and mighty arm of Miracle Mets, dies at 75 – The Denver Post

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Jerry Koosman on his near release from the Mets, his prank on Tom Seaver, and what inspired his special 1976 season

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