New York Mets news: Jerry Koosman's No. 36 will be retired next year
Jerry Koosman to Have Number Retired on August 28, 2021 - Metsmerized Online
Mets to Retire Jerry Koosman's Jersey - The New York Times
Jerry Koosman- Mets All Time Lefthander (Part Three 1974-1985)
Mets pick new date for Jerry Koosman's number retirement ceremony
Jerry Koosman's No. 36 retired by Mets
Jerry Koosman: NY Mets legend on jersey retirement, World Series
Jerry Koosman Jersey Retirement Ceremony, Watch live as we retire Jerry Koosman's number 36., By New York Mets
Jerry Koosman number retirement set for June 13 - Amazin' Avenue
Mets announce Jerry Koosman number retirement date –
Jerry Koosman to Have Number Retired on August 28, 2021 - Metsmerized Online
Jerry Koosman to Have Number Retired on August 28, 2021 - Metsmerized Online
Jerry Koosman's No. 36 retired by Mets
Jerry Koosman's No. 36 to Be Retired By Mets in June – NBC New York
Remembering Mets History (1984): Jerry Koosman Returns to Shea on Strawberry Sundae