Novak Djokovic knocked out of US Open in first round by Mariano Navone - The Korea Times

Novak Djokovic loses in opening round of US Open for first time, falling in 5 sets to Mariano Navone | CNN

Novak Djokovic grinded through physical and internal ailments, made one mistake after another and could not find what it took to beat a feisty, younger opponent who was not intimidated under the lights against tennis’…