The Senegalese star is one of a number of names on United’s wishlist as they finally look to solve their defensive problems. Koulibaly was linked with Chelsea a couple of years ago but remained at Napoli which he joined in 2014. He is one of the leading defenders in the world of football. Toby Alderwerield and Eder Militao at Porto are other names in the frame.

United have been short at the back for most of the season. Eric Bailly has been struggling with injuries this term while Chris Smalling has been requiring injections to play due to a fracture in his foot. Marcos Rojo has returned to action in recent weeks but has never really convinced the United faithful.