The 26-year-old has had every other storming season in Italy and golf equipment are determined to land him.
The trio are all chasing Koulibaly and the Italian membership are bracing themselves for a barrage of provides.
Napoli will combat arduous to stay the centre-back, despite the fact that, and can hang out for with reference to £85m for his signature.
The Neapolitans completed the season in 2nd position at the back of eventual winners Juventus this season.
The Senegal global has been an important to boss Maurizio Sarri’s good fortune and has been a mainstay in defence since getting back from Genk for simply £7 million in 2014.
Sarri himself has been lately related to the Chelsea activity and would possibly neatly glance to reinforce the Blues defence by way of signing the enforcing centre-half.