Paris Saint-Germain have held a meeting with the agent of Napoli center-back Kalidou Koulibaly over a possible summer transfer.90min revealed earlier this month that Koulibaly is available for transfer this summer, with new Everton boss Rafa Benitez seeking a £ 35m reunion with Senegal's international.Napoli is ready to sell Koulibaly / Marco Canoniero / Getty ImagesUnfortunately for Everton, if they want to land Koulibaly, they will have to go through PSG, who have lined up the 30-year-old as the next blockbuster signing of…