Mets to retire Koosman's number — Queens Daily Eagle
Jerry Koosman: NY Mets legend on jersey retirement, World Series
Mets to Retire Jerry Koosman's Jersey - The New York Times
Mets to retire numbers for Doc Gooden and Darryl Strawberry – NBC
Mets retire Koosman's 36 five decades after '69 heroics
Keith Hernandez uniform No. 17 to be retired by NY Mets
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Jerry Koosman's No. 36 retired by Mets