Jerry Koosman SGA New York Mets Bobblehead Citi Field 8/28/21 Retire Baseball
Mets retiring No. 36 of ex-pitcher Koosman in '20 - ESPN
Tom Seaver, Hall of Fame pitcher and Mets legend, dies at 75 - ESPN
Mets' next retired numbers prediction
Mets Announce Plans to Retire Jerry Koosman's Uniform #36, by New York Mets
Mets to Retire Jerry Koosman's Jersey - The New York Times
Mets to retire Jerry Koosman's No. 36 in June - Newsday
Mets retiring Dwight Gooden's No. 16 and Darryl Strawberry's No. 18 next season - CBS New York
NY Mets to retire Jerry Koosman's number next season, Jeff Wilpon says