Mets announce Jerry Koosman number retirement date
Jerry Koosman's No. 36 retired by Mets
New York Mets news: Jerry Koosman's No. 36 will be retired next year
Retired Number Is Latest Mets Head-Scratcher
Jerry Koosman to Have Number Retired on August 28, 2021 - Metsmerized Online
Humble Jerry Koosman joins Mets hopefully-expanding pantheon with number retirement
Mets Editorial: How exclusive should number retirement be? - Amazin' Avenue
Hostess Card Of The Week: 1977 Jerry Koosman
Ed Kranepool must be next Mets number retired after Jerry Koosman: Pantorno – Metro US
Jerry Koosman's No. 36 to Be Retired By Mets in June – NBC New York