Retired Number Is Latest Mets Head-Scratcher
Mets will retire Jerry Koosman's number in 2020 – New York Daily News
Mets to Retire Jerry Koosman's Jersey - The New York Times
Mets to retire numbers for Doc Gooden and Darryl Strawberry – NBC New York
Humble Jerry Koosman joins Mets hopefully-expanding pantheon with number retirement
Jerry Koosman number retirement set for June 13 - Amazin' Avenue
Ed Kranepool must be next Mets number retired after Jerry Koosman: Pantorno – Metro US
Mets retire Jerry Koosman's No. 36 in Citi Field ceremony
Mets retire Koosman's 36 five decades after '69 heroics
Keith Hernandez uniform No. 17 to be retired by NY Mets
Mets should retire Jerry Koosman's number this year regardless of 2020 season outcome
Jerry Koosman's Mets number retirement is finally here
Keith Hernandez Joins Short List Of New York Mets With Retired Jerseys