How many times did juan marichal pitch at shea stadium?

Juan Marichal pitched at Shea Stadium numerous times during his career, primarily when he played for the San Francisco Giants from 1960 to 1975. Over this span, he made approximately 25 to 30 appearances at Shea Stadium, facing the New York Mets as a division rival. His notable performances there contributed to his reputation as one of the great pitchers of his era.