Jerry Koosman's number retirement, 08/28/2021
Mets to Retire Jerry Koosman's Jersey - The New York Times
Jerry Koosman's No 36 to be retired by Mets in June
Jerry Koosman's No. 36 retired by Mets
Mets' 1969 championship team reunion bittersweet for surviving players - Newsday
Jerry Koosman's No 36 to be retired by Mets in June - ESPN
Mets to Retire Jerry Koosman's Jersey - The New York Times
David Peterson will be 'hard pressed' to return to Mets this season, Jeremy Hefner says - Newsday
Ron Darling, Jon Matlack, Edgardo Alfonzo to be inducted into Mets' Hall of Fame - Newsday
Ron Darling says Keith Hernandez emotional in anticipation of number being retired - Newsday
Tom Seaver had plenty of talented pitchers around him on 1969 Mets - Newsday
Where Does Jacob deGrom Rank in Mets History? - The New York Times
Mets Editorial: How exclusive should number retirement be? - Amazin' Avenue