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Jerry Koosman's number retirement, 08/28/2021
![Jerry Koosman number retirement set for June 13 - Amazin' Avenue](https://i.ytimg.com/vi/EK777HmPfus/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLCkTbmh9isruV3EoCpjEYlRx-mcwQ)
Jerry Koosman Jersey Retirement Ceremony
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Mets News: Mets to retire Jerry Koosman's number 36 in 2020. - Amazin' Avenue
![Jerry Koosman number retirement set for June 13 - Amazin' Avenue](https://thisdayinbaseball.com/wp-content/uploads/1975/07/koosman.jpeg)
Jerry Koosman Stats & Facts - This Day In Baseball
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How New York Mets signed pitcher Jerry Koosman thanks to eagle-eyed Staten Islander
![Jerry Koosman number retirement set for June 13 - Amazin' Avenue](https://i.ytimg.com/vi/-WVOXZIXGvY/sddefault.jpg)
Jerry Koosman Jersey Retirement Ceremony
![Jerry Koosman number retirement set for June 13 - Amazin' Avenue](https://townsquare.media/site/41/files/2022/01/attachment-GettyImages-3383209.jpg?w=630&q=75)
Mets To Retire Hernandez's Number In Coming MLB Season
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Jerry Koosman Autographed Jersey - Mets History
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New York Mets - Wikipedia