Head coach of Team World, former US tennis player John McEnroe, reacts during the 2024 Laver Cup men's singles tennis match between Greece's Stefanos Tsitsipas of Team Europe and Australia's Thanasi Kokkinakis of Team World in Berlin, Germany on September 20, 2024. (Photo by Ronny Hartmann / AFP) (Photo by RONNY HARTMANN/AFP via Getty Images)