Mets retire Willie Mays' No. 24 as Old-Timers' Day returns
Jerry Koosman's Mets number retirement is finally here
Mets to retire numbers of Darryl Strawberry, Dwight Gooden
Mets retire Willie Mays' No. 24 as Old-Timers' Day returns - CBS New York
Mets To Retire Number of Team Legend Keith Hernandez – The Fordham Ram
Mets retire Keith Hernandez's No. 17 in Citi Field ceremony
What Jerry Koosman and Tom Seaver did 50 years ago is unimaginable today – New York Daily News
Mets retire Jerry Koosman's No. 36 in Citi Field ceremony
311 Jerry Koosman Photos & High Res Pictures - Getty Images