Djokovic reports successful knee operation with no return date set Novak Djokovic revealed on Thursday that he has successfully undergone surgery on his right knee, which he injured during the French Open. The tennis star stated that the operation was a success, but did not specify when he would be making his return to the court. The 24-time Grand Slam champion was compelled to pull out of his quarter-final match at Roland Garros against Casper Ruud after scans uncovered a torn medial meniscus in his right knee. “In the past day, I had...