Jerry Koosman Baseball Stats by Baseball Almanac
311 Jerry Koosman Photos & High Res Pictures - Getty Images
April 23, 1969: Jerry Koosman gets his first win in Mets' miracle season โ Society for American Baseball Research
Jerry koosman hi-res stock photography and images - Alamy
Jerry Koosman number retirement set for June 13 - Amazin' Avenue
Mets Interrupt Gloom to Recall Glory of 1969 Championship - The New York Times
How New York Mets signed pitcher Jerry Koosman thanks to eagle-eyed Staten Islander
The Old Ball Game: Shining Stadium Lights on the City's Baseball Heroes
New York Mets - ๐
The date is set! ๐
We will retire Jerry Koosman's No. 3โฃ6โฃ on Saturday, June 13 in a pre-game ceremony. ๐๏ธ๐
Mets to Retire Jerry Koosman's Jersey - The New York Times
Hostess Card Of The Week: 1977 Jerry Koosman