Jerry Koosman is an American former professional baseball player. He played in Major League Baseball as a pitcher for the New York Mets, Minnesota Twins, Chicago White Sox and Philadelphia Phillies between 1967 and 1985. He is best known for being a member of the Miracle Mets team that won the 1969 World Series. Jerry Koosman has signed this New York Mets B&W 16x20 Photo. Leaf Authentics Hologram and Certificate of Authenticity.