Mets should retire Jerry Koosman's number this year regardless of 2020 season outcome
Mets retire Koosman's 36 five decades after '69 heroics
Jerry Koosman to Have Number Retired on August 28, 2021 - Metsmerized Online
Mets announce plans to retire numbers of 1986 World Series champions Dwight Gooden and Darryl Strawberry
New York Mets should consider these four players for jersey retirement
Mets to Retire Jerry Koosman's Jersey - The New York Times
Mets retire Jerry Koosman's No. 36 in Citi Field ceremony
Mets retire Willie Mays' No. 24 as Old-Timers' Day returns - CBS New York
Mets retire Keith Hernandez's No. 17 in Citi Field ceremony
Jerry Koosman number retirement set for June 13 - Amazin' Avenue
311 Jerry Koosman Photos & High Res Pictures - Getty Images