Mets retire Jerry Koosman's No. 36

Mets retire Willie Mays' No. 24 as Old-Timers' Day returns

Mets Retire Legendary Pitcher Jerry Koosman's No. 36 - Sports Illustrated New York Mets News, Analysis and More

How New York Mets signed pitcher Jerry Koosman thanks to eagle-eyed Staten Islander

Mets to Retire Jerry Koosman's Jersey - The New York Times

Mets should retire Jerry Koosman's number this year regardless of 2020 season outcome

Mets to Retire Jerry Koosman's Jersey - The New York Times

Jerry Koosman's No. 36 to Be Retired By Mets in June – NBC New York

Video: Jerry Koosman's Curtain Call - Mets History

Mets retire Koosman's 36 five decades after '69 heroics - NBC Sports