Jerry Koosman Stats, Fantasy & News
Jerry Koosman number retirement set for June 13 - Amazin' Avenue
April 23, 1969: Jerry Koosman gets his first win in Mets' miracle season – Society for American Baseball Research
Mets announce Jerry Koosman number retirement date –
How New York Mets signed pitcher Jerry Koosman thanks to eagle-eyed Staten Islander
Jerry Koosman - Mets History
Jerry Koosman interview
Ultimate Mets Database - Jerry Koosman
Jerry Koosman - Age, Family, Bio
Jerry Koosman – Society for American Baseball Research
Ultimate Mets Database - Jerry Koosman
Jerry Koosman: NY Mets legend on jersey retirement, World Series
Jerry Koosman Baseball Stats by Baseball Almanac
Out Of The Shadows: Jerry Koosman - Metsmerized Online