Jerry Koosman's number retirement, 08/28/2021
Mets To Retire Jerry Koosman's No. 36 In 2020 - Metsmerized Online
311 Jerry Koosman Photos & High Res Pictures - Getty Images
Mets retire Jerry Koosman's No. 36 in Citi Field ceremony
Mets announce plans to retire numbers of 1986 World Series champions Dwight Gooden and Darryl Strawberry
Mets announce Jerry Koosman number retirement date –
Mets Editorial: How exclusive should number retirement be? - Amazin' Avenue
Thrilled to be 'joining a great crew,' Jerry Koosman, 78, has jersey retired by New York Mets - ESPN
Jerry Koosman: NY Mets legend on jersey retirement, World Series