Jerry Koosman- Mets All Time Lefthander (Part Three 1974-1985)
Mets to Retire Jerry Koosman's Jersey - The New York Times
Mets to Retire Jerry Koosman's Jersey - The New York Times
Mets to Retire Jerry Koosman's Jersey - The New York Times
Jerry Koosman Shares Stories on Mets 1969 World Series, Mets 70's Teams & Getting Jersey Retired
Jerry Koosman's No. 36 retired by Mets
Jerry Koosman number retirement set for June 13 - Amazin' Avenue
Mets to Retire Jerry Koosman's Jersey - The New York Times
Mets' next retired numbers prediction