Add to your sports memorabilia collection or start one today with a Willie Mays Hall of Fame Authentic Autographed Baseball! William Howard "Willie" Mays, Jr. (born May 6, 1931) played the majority of his career with the New York and San Francisco Giants before finishing with the New York Mets. Nicknamed The" Say Hey Kid", Mays was elected to the Baseball Hall of Fame in 1979, his first year of eligibility. Mays won two MVP awards and tied a record with 24 appearances in the All-Star Game. He ended his career with 660 career home runs, third at the time of his retirement, and currently fourth all-time. Many consider him to be the greatest all-around player of all time.