Manchester City evening headlines on Wednesday, June 24.Manchester City striker Sergio Aguero has revealed that he has undergone surgery on a knee injury picked up against Burnley on Monday night.The 32-year-old was substituted in the first half after coming off worse in a tackle with Ben Mee that led to City being awarded a penalty in the 5-0 win.It was confirmed after the game that Aguero would travel to Barcelona for further assessments on the injury with knee specialist Dr. Ramon Cugat.