“The Say Hey Kid” Willie Howard Mays Jr. (1931–2024) began his career in the Negro Leagues (1947) before joining the Major League’s New York Giants in 1951. Excepting time in military service ...
MORE: How good was Willie Mays at baseball? Mays' famous nickname is the "Say Hey Kid." He earned the label in his rookie season with the New York Giants in 1951 thanks to Barney Kremenko ...