straight to your inboxNapoli are ready to finalise the sale of star defender Kalidou Koulibaly to Manchester City, according to reports.City are looking to make some drastic improvements to their squad this summer after a disappointing season that yielded just one trophy and have already recruited Ferran Torres and Nathan Ake.Despite having already signed one defender in the form of Ake, MEN Sport understands that the Blues want to strengthen their back-line further following their problems in