Britain's Andy Murray reacts against Argentina's Juan Martin del Potro during the Davis Cup World Group semifinal singles match between England and Argentina at the Emirates Arena in Glasgow, west Scotland, on September 16, 2016. 
Argentina's Juan Martin del Potro won the match 6-4, 5-7, 6-7, 6-3, 6-4. / AFP / Andy Buchanan        (Photo credit should read ANDY BUCHANAN/AFP/Getty Images)