New York Mets - We will retire Jerry Koosman's number 36 in 2020

Mets retiring Dwight Gooden's No. 16 and Darryl Strawberry's No. 18 next season - CBS New York

Mets announce Jerry Koosman number retirement date –

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

Jerry Koosman's No 36 to be retired by Mets in June

Mets To Retire Jerry Koosman's No. 36 In 2020 - Metsmerized Online

Keith Hernandez Caught Off Guard By Jersey Retirement, Reveals Mets' Old-Timers' Day Plans - Sports Illustrated New York Mets News, Analysis and More

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

NY Mets to retire pitcher Jerry Koosman's number next season

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

Mets retire Koosman's 36 five decades after '69 heroics

Mets to retire numbers of Dwight Gooden, Darryl Strawberry next season - ESPN