Jerry Koosman to Have Number Retired on August 28, 2021
Jerry Koosman Jersey Retirement Ceremony
Mets honor Jerry Koosman with overdue jersey retirement
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Mets] No. 16 and No. 18: Forever enshrined in Mets history. Next
Mets retire Jerry Koosman's No. 36 in Citi Field ceremony
NY Mets to retire pitcher Jerry Koosman's number next season
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New York Mets - We will retire Jerry Koosman's number 36 in 2020
Every MLB team's retired numbers – NBC Sports Chicago