Chelsea have completed the signing of defender Kalidou Koulibaly from Napoli.
The 31-year-old has signed a five-year contract with the Blues, making him one of the highest-paid defenders in the world.
Koulibaly is widely regarded as one of the best centre-backs in world football and his arrival is a massive coup for Chelsea.
He will bolster a strong Chelsea defence that replaces Antonio Rudiger and Andreas Christensen.
Koulibaly was a key player for Napoli over the past few seasons, helping them to finish second in Serie A twice and reach the Champions League quarter-finals a few times.
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