Djokovic undergoes successful knee surgery after French Open withdrawal
New Delhi: Serbian tennis star Novak Djokovic has undergone successful knee surgery after pulling out of the French Open semifinal on Tuesday. The 37-year-old updated on the injury that forced him to leave the clay-court Grand Slam midway. The 24-time Grand Slam champion aggravated his right knee injury during the fourth-round match against Francisco Cerundolo….
