Three Degrees of Mets World Series Separation: Koosman to Orosco
Mets to retire 1969 World Series hero Koosman's number in August
Jerry Koosman – Society for American Baseball Research
56 of the month: Hank Bauer
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Braves Edge Mets by 4‐3 For Koosman's 10th Loss - The New York Times
Three Degrees of Mets World Series Separation: Koosman to Orosco
Mets' Jerry Koosman is finally getting the respect he is due
Cardboard appreciation: 1981 Topps 1980 NL Championships
The worst trade ever made
Barry Bonds has said that the pitcher he had the most trouble with
The Mets' Jerry Koosman picks off Oakland's Bert Campaneris during