Novak Djokovic changed his diet in 2010 and transformed into Grand Slam winning machine as US Open win would see him surpass Roger Federer and Rafael Nadal

Novak Djokovic is on the cusp of history. The 34-year-old is currently tied with Roger Federer and Rafael Nadal on 20 Grand Slam wins. He plays in the final of the US Open tonight with a chance of surpassing them. Also on the line is a chance at completing the calendar Grand Slam, something a […]