Mets to retire Koosman's number — Queens Daily Eagle

Mets to retire Jerry Koosman's No. 36 in June - Newsday

Mets to Retire Jerry Koosman's Jersey - The New York Times

Jerry Koosman: NY Mets legend on jersey retirement, World Series

Mets to Retire Jerry Koosman's Jersey - The New York Times

Jerry Koosman to Have Number Retired on August 28, 2021 - Metsmerized Online

Mets retire Jerry Koosman's No. 36 in Citi Field ceremony

Mets announce Jerry Koosman number retirement date

Mets announce Jerry Koosman number retirement date –

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