1
"I've felt helpless on the court"- John Isner picks Novak Djokovic as his toughest opponent among Big 3
2
"I call it like I see it" - Martina Navratilova defends her opinion after calling Novak Djokovic a 'class act'
3
Novak Djokovic overtakes Rafael Nadal to record highest win percentage in history following Astana triumph
4
"It benefits nobody to have him at 7 in the world" - Andy Roddick reacts to Novak Djokovic's 90th title win
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Novak Djokovic admits his hunger for titles increased during long break after winning Wimbledon: "Super pumped and motivated"