Mets to Retire Jerry Koosman's Jersey - The New York Times

Mets to retire numbers for Doc Gooden and Darryl Strawberry – NBC New York

Mets retire Willie Mays' No. 24 as Old-Timers' Day returns

Mets retire Keith Hernandez's No. 17 in Citi Field ceremony

April 23, 1969: Jerry Koosman gets his first win in Mets' miracle season – Society for American Baseball Research

Mets retiring Dwight Gooden's No. 16 and Darryl Strawberry's No. 18 next season - CBS New York

Mets to Retire Jerry Koosman's Jersey - The New York Times

Mets honor Jerry Koosman with overdue jersey retirement

Jerry Koosman- Mets All Time Lefthander (Part Three 1974-1985)

Mets retire Willie Mays' No. 24 as Old-Timers' Day returns - NBC Sports