Real Madrid have had a £90 million bid for Napoli defender Kalidou Koulibaly rejected, according to AS .
The Senegal international is one of the most sought-after defenders in Europe but manager Carlo Ancelotti wants to keep him at the San Paolo Stadium.
The Blancos want the 27-year-old in their books as they plan a major overhaul this season amid doubts over Sergio Ramos' future.
The Mirror claimed that Manchester United have turned their attention away from Koulibaly after the Partenopei slapped a £150million price-tag on him.