Mets should retire Jerry Koosman's number this year regardless of 2020 season outcome
Mets to retire pitcher Jerry Koosman's number next season
The Mets are loosening their standards on retiring numbers. Who might be next in line? - The Athletic
Mets retire Willie Mays' No. 24 as Old-Timers' Day returns
Gotham Baseball - The Wave
Mets to Retire Jerry Koosman's Jersey - The New York Times
Humble Jerry Koosman joins Mets hopefully-expanding pantheon with number retirement
311 Jerry Koosman Photos & High Res Pictures - Getty Images
New York Mets eliminated from playoffs despite win over Marlins
Mets retire Koosman's 36 five decades after '69 heroics
Jerry Koosman's No. 36 retired by Mets
Jerry Koosman SGA New York Mets Bobblehead Citi Field 8/28/21 Retire Baseball