Remembering Mets History (1976) Jerry Koosman Wins His 20th Game

Seaver's Double Duty for the White Sox - The New York Times

What Jerry Koosman and Tom Seaver did 50 years ago is unimaginable

Mack's Mets: FROM 2006- RETRO-POST ON JERRY KOOSMAN Koosman Shuts

Remembering Mets History (1968): Jerry Koosman Tosses Back to Back

Remembering Mets History (1968): Jerry Koosman Tosses Back to

1977 Topps Jerry Koosman

Remembering Mets History (1973) Jerry Koosman Shuts Out the Giants

Remembering Mets History: (1976) Dave Kingman's Big Season Start

Mets Grab Hold of the Series - The New York Times

Remembering Mets History (1975) Jerry Koosman Wins 100th Career Game

Remembering Mets History (1973) Jerry Koosman Shuts Out the Giants

1969 Topps Jerry Koosman

In appreciation of Jerry Koosman – Mets360

The Top 5: Mets 20-Game Winners - SB Nation New York

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