The perpetually underrated Jerry Koosman – Mets360

Jerry Koosman: NY Mets legend on jersey retirement, World Series

1969 Mets Pitchers 16x20 Photo Signed by (4) With Tom Seaver, Jerry Koosman, Nolan Ryan & Gary Gentry (FSC COA & Ryan Hologram)

The perpetually underrated Jerry Koosman – Mets360

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Find many great new & used options and get the best deals for 1988 Pacific Baseball Legends #66 Jerry Koosman - New York Mets - SHIPS FREE at the best

1988 Pacific Baseball Legends #66 Jerry Koosman - New York Mets - SHIPS FREE

The 10 most underrated New York Mets of all-time

The 10 most underrated New York Mets of all-time

Jerry Koosman Sets Early Franchise Record - Mets History

The 10 most underrated New York Mets of all-time

1969 Mets Pitchers 16x20 Photo Signed by (4) With Tom Seaver, Jerry Koosman, Nolan Ryan & Gary Gentry (FSC COA & Ryan Hologram)

1969 Mets Pitchers 16x20 Photo Signed by (4) With Tom Seaver, Jerry Koosman, Nolan Ryan & Gary Gentry (FSC COA & Ryan Hologram)

Humble Jerry Koosman joins Mets hopefully-expanding pantheon with number retirement