Napoli captain Kalidou Koulibaly admits coach Luciano Spalletti has shaken up the players this season.

Napoli currently sit top of the table under Spalletti and asked what the coach has brought to the players, Koulibaly was clear.

“Mentality more than anything else," said Koulibaly.

“He's always respected Napoli and the first thing he said when he came here was that he had to find what problem we had because it was not normal we hadn't won anything.

“It was important because if someone coming from outside says so, it means we have potential. He proved to be humble, saying Gattuso's work had been excellent and that he didn't arrive to make a revolution, but only to add a few things."