The France international suffered the injury during the Gunners' 2-1 defeat to North London rivals Tottenham on Sunday. The French Football Federation revealed later that evening that the defender was set to be ruled out of action for around 12 weeks. Arsenal claim they are still working to that timescale, with Sagna ready to begin his rehabilitation. He went under knife on Monday after it was decided that an operation was required to help him make a full recovery. "Bacary Sagna has undergone further assessment and investigations on his fractured right fibula with the club's medical team and specialists," read a statement released on Arsenal's official website. "As a result of these tests, Bacary has had surgery to stabilise the injury. "The surgery went according to plan and there has been no significant alteration to the initial prognosis that Bacary will be out of action for a minimum of three months. "Everyone at the club wishes Bacary a speedy recovery."
