RANCHO MIRAGE, CA - CIRCA 1978: John McEnroe of the United States hits a return during a match in the 1978 Davis Cup finals December 10, 1978 at the Mission Hills Country Club in Rancho Mirage, California. (Photo by Focus on Sport/Getty Images)
RANCHO MIRAGE, CA - CIRCA 1978: John McEnroe of the United States hits a return during a match in the 1978 Davis Cup finals December 10, 1978 at the Mission Hills Country Club in Rancho Mirage, California. (Photo by Focus on Sport/Getty Images)