Jerry Koosman's No. 36 retired by Mets
Humble Jerry Koosman joins Mets hopefully-expanding pantheon with number retirement
Born Today [Archive] - Page 3 - Movie Forums
Jerry Koosman- Mets All Time Lefthander (Part Three 1974-1985)
How does the young New York Mets' rotation compare historically? - ESPN - SweetSpot- ESPN
Jerry Koosman Baseball Stats by Baseball Almanac
Born Today [Archive] - Page 3 - Movie Forums
The perpetually underrated Jerry Koosman – Mets360
The 10 most underrated New York Mets of all-time