Novak Djokovic is not only the best tennis player in the world because he trains hard but he owes it to the INSANELY healthy diet which he has been following for ten years. The guy is 36 years old, which makes him one of the oldest tennis players currently playing, and he is winning grand slams left and right.
For those curious more about the diet, he wrote a book called "Serve to Win", where he explained in detail his diet plan and how you can transform your body and life in just fourteen days.
