Jerry Koosman Sets Early Franchise Record - Mets History
Jerry Koosman Sets Early Franchise Record - Mets History
Remembering Mets History: (1976) Dave Kingman's Big Season Start & The Longest HR Hit at Wrigley Field
Jerry Koosman's Mets number retirement is finally here
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Mets Franchise Timeline: 1960s
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September 30, 1979: Jerry Koosman reaches 20-win plateau for second time – Society for American Baseball Research
1971 Topps Jerry Koosman
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The 1969 New York Mets: The Miracle, Part 2 - Metsmerized Online
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Mets to retire numbers of Darryl Strawberry, Doc Gooden
How New York Mets signed pitcher Jerry Koosman thanks to eagle-eyed Staten Islander
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Jerry Koosman Sets Early Franchise Record - Mets History