Mack's Mets: Lenny Langlois on: SP - Jerry Koosman
Jerry Koosman: NY Mets legend on jersey retirement, World Series
Tom Seaver had plenty of talented pitchers around him on 1969 Mets - Newsday
Miracle Mets icon Tom Seaver dies at 75 from complications of dementia and COVID-19
Tom Seaver's health serves as a reminder of last hurrah for '69 Mets - Newsday
Tom Seaver's health serves as a reminder of last hurrah for '69 Mets - Newsday
Tom Seaver's health serves as a reminder of last hurrah for '69 Mets - Newsday
Lot Detail - Tom Seaver & Jerry Koosman Dual Signed 1969 World Series Celebration Champagne 16 x 20 Poster
Jerry Koosman number retirement set for June 13 - Amazin' Avenue
Mets to Retire Jerry Koosman's Jersey - The New York Times
Jerry Koosman- Mets All Time Lefthander (Part Three 1974-1985)
Miracle Mets icon Tom Seaver dies at 75 from complications of dementia and COVID-19
Jerry Koosman - Mets History
Jerry Koosman: NY Mets legend on jersey retirement, World Series
Jerry Koosman: All Time Mets Left Handed Pitcher (Part One: 1967-1972)