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

Mets Will Retire Jerry Koosman's Number On June 13 - Metsmerized Online

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Jerry Koosman's No. 36 retired by Mets

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Jerry Koosman's No. 36 retired by Mets

Mets Will Retire Jerry Koosman's Number On June 13 - Metsmerized Online

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