Manchester United chiefs are ready to do all they can to prise Kalidou Koulibaly away from Napoli this summer.

Koulibaly has been the No1 priority for the club since last summer and are itching to land their man this year, says The Sun.

The 31-cap Senegal international has been in sensational form this season in both Serie A and the Champions League.

While United have won all eight of their games under Ole Gunnar Solskjaer, their defence still desperately needs reinforcements.

However, Koulibaly will not come cheap, valued at around £90million - but is also keen to prolong his stay in Naples.

Earlier this month, Napoli boss Carlo Ancelotti claimed: "Koulibaly is happy in Naples, he's upset like others [at recent racism], but it will not be a trigger for a goodbye.

"He never showed it, he wants to stay in Naples and in Italy, a country he likes very much."