World Sports News
London: Novak Djokovic says he has lost all confide in the opposition to doping programme in tennis and feelings of trepidation he could turn into a casualty of its "carelessness" after individual Serb Victor Troicki neglected to have his doping boycott toppled on Tuesday.
Djokovic beat Roger Federer in his opening match at the Atp World Tour Finals yet his delight was dominated by
