Novak Djokovic crashes out of Madrid Open after defeat by unseeded Arnaldi

Setback in troubled year for 24-time Grand Slam winnerSerb also lost in Monte Carlo in build-up to Roland GarrosNovak Djokovic’s struggles continued in the clay-court season as he fell to his third consecutive defeat. In the second round of the Madrid Open on Saturday, he lost 6-3, 6-4 to the unseeded Italian Matteo Arnaldi. Djokovic, who had received a first round bye as a seeded player, had arrived here after a difficult few weeks.His otherwise encouraging week in Miami ended with a diff