Granville Myrick "Buster" Mitchell (February 16, 1906 â March 4, 1964) was a professional American football end in the National Football League. He played seven seasons for the Portsmouth Spartans (1931âÂÂ1933), the Detroit Lions (1934âÂÂ1935), the New York Giants (1935âÂÂ1936), and the Brooklyn Dodgers (1937).