Jerry Koosman: NY Mets legend on jersey retirement, World Series
Remembering Mets History (1968): Jerry Koosman Tosses Back to Back Shut Outs As Mets Win 1st Home Opener
How New York Mets signed pitcher Jerry Koosman thanks to eagle-eyed Staten Islander
Nolan Ryan/Jerry Koosman (New York Mets) 1968 Topps Baseball #177 RC Rookie Card - PSA 4 (G) : Collectibles & Fine Art
April 23, 1969: Jerry Koosman gets his first win in Mets' miracle season โ Society for American Baseball Research
Mets announce Jerry Koosman number retirement date โ
Jerry Koosman MLB Memorabilia, Jerry Koosman Collectibles, Verified Signed Jerry Koosman Photos
AUTOGRAPHED: 1972 Topps #698 Jerry Koosman In-Action SCARCE HIGH # (Mets)
Charitybuzz: 1969 Mets World Series Champs Signed Memorabilia
Keith Hernandez still in awe ahead of Mets jersey retirement
Lot Detail - Nolan Ryan, Jerry Koosman, Tom Seaver, & Gentry Signed Framed 11x14 New York Mets Photo