Ed Kranepool must be next Mets number retired after Jerry Koosman
Mets Retire Legendary Pitcher Jerry Koosman's No. 36 - Sports
Mets announce Jerry Koosman number retirement date –
Mets to retire numbers for Doc Gooden and Darryl Strawberry – NBC
Jerry Koosman – Society for American Baseball Research
Mets should retire Jerry Koosman's number this year regardless of
New York Mets retire Keith Hernandez No. 17 jersey
Jerry Koosman's No. 36 to Be Retired By Mets in June – NBC New York
Jerry Koosman: NY Mets legend on jersey retirement, World Series
Jerry Koosman is only Mets pitcher with this unusual accolade