Jerry Koosman to Have Number Retired on August 28, 2021 - Metsmerized Online
Mets retire Jerry Koosman's No. 36 in Citi Field ceremony
Mets randomly announced they will retire Jerry Koosman's number 36 - The Mets Police
Jerry Koosman Shares Stories on Mets 1969 World Series, Mets 70's Teams & Getting Jersey Retired
Jerry Koosman: NY Mets legend on jersey retirement, World Series
Mets Grab Hold of the Series - The New York Times
Mets to Retire Jerry Koosman's Jersey - The New York Times
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Mets Retire Legendary Pitcher Jerry Koosman's No. 36 - Sports Illustrated New York Mets News, Analysis and More
Mets to retire No. 24 jersey formerly worn by Hall of Famer Willie Mays