Nick Kyrgios Retires from Japan Open with Knee Trouble Unknown 04:25 IFTTT, Top Sports News- News18.com Nick Kyrgios said he had "been playing amazing tennis all year" but it had been physically taxing from Top Sports News- News18.com https://ift.tt/hT60XeE via IFTTT Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsAbhinav Bindra Calls For Improvement In Athlete Support SystemAtletico Madrid Report Barcelona to FIFA for Illegal Griezmann ApproachMore Sainas and Sindhus to Burst on the Scene Soon, Says Pullela GopichandNovak Djokovic Picks New Format for Australian Open Warm-upMagnificent Mary Kom Driven by Ali in Bid for More Boxing GoldFormer Wimbledon Champ Bartoli Announces Comeback