Willie Mays, Electrifying Ballplayer of Power and Grace, Dies at 93 The New York TimesHow baseball legend Willie Mays earned the nickname ‘The Say Hey Kid’ USA TODAYWillie Mays, San Francisco Giants legend and MLB all-time great, is dead San Francisco ChronicleLegendary outfielder Willie Mays, ‘Say Hey Kid,’ dies at 93 ESPN