NY Mets All-Time Team: Tom Seaver and Jerry Koosman take the mound

Jerry Koosman - Mets History

Mets to Retire Jerry Koosman's Jersey - The New York Times

Mets Editorial: What to do about Jacob deGrom - Amazin' Avenue

Jerry Koosman Archives - Page 3 of 3 - Mets History

New York Mets putting 'soft' innings cap on Matt Harvey next season - Sports Illustrated

Jerry Koosman: All Time Mets Left Handed Pitcher (Part One: 1967-1972)

Tom Seaver and the Mets' enduring hope from 1969 - Sports Illustrated

Tom Seaver, Baseball Wiki

Tom Seaver, heart and mighty arm of Miracle Mets, dies at 75

Tom Seaver and the American Dream, by Ned Potter

Jerry Koosman - Wikipedia

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