He has penned a four-year deal with an option for a further year

CHELSEA has completed the transfer of Kalidou Koulibaly from Napoli for a fee of €40 million.

The 31-year-old joins England forward Raheem Sterling from Manchester City as the club’s second addition of the summer.

After Andreas Christensen and Antonio Rudiger left Stamford Bridge,

Koulibaly has committed to a four-year deal that will expand the team’s defensive options

Chelsea’s co-owner Todd Boehly:

Kalidou Koulibaly is one of the world’s elite defenders and we are delighted to be welcoming him to Chelsea.

“A great leader and an exemplary team player, Kalidou brings a wealth of experience and attributes that will benefit our squad and the club as a whole.”

For Senegal, of which he is presently captain, Koulibaly has made 62 appearances.

He began his professional career with Metz of France, then spent two years with Genk of Belgium before joining Napoli in 2014.

Koulibaly played for Napoli for eight years, appearing in 317 games and scoring 14 goals. Last week.

According to Chelsea’s official website, Kalidou Kouilbaly:

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“I’m very happy to be here with this team at Chelsea. It’s a big team in the world, and my dream was always to play in the Premier League.

“Chelsea came first to get me in 2016, but we didn’t make it. Now when they came to me, I accepted it because they really wanted me to come to the Premier League to play for them.

“When I spoke to my good friends Edou and Jorginho, they made my choice easier, so I’m really happy to be with you today.

“I want to thank the fans because I saw a lot of them in London and on the plane, everybody was happy for me to be here. So I want to thank them, and I hope the season will be really good, and we will give some good moments to the fans.”