Manchester City evening headlines on Tuesday, June 23. Aguero set for surgerySergio Aguero hobbled off with a knee injury towards the end of the first-half during Manchester City's 5-0 thrashing of Burnley and the Argentine could now be set for a period on the sidelines.According to his father Leonel del Castillo, Aguero exacerbated a knock against the Clarets and will undergo surgery in Barcelona later this week to correct the problem.