Chelsea announce signing of Napoli defender
English premier league side, Chelsea have completed the signing of Senegalese defender, Kalidou Koulibaly on a four-year-deal for a fee in the region of £33m.
Koulibaly who had one year left on his contract with Napoli follows Raheem Sterling who also joined Chelsea fc this week.
He becomes the Chelsea football club’s second major signing since new American owner Todd Boehly took over at Stamford bridge.
