Chelsea have launched a bid for Napoli defender Kalidou Koulibaly.
According to La Gazzetta dello Sport, Chelsea have already tabled contract terms to Koulibaly.
They have offered the 30-year-old personal terms worth £8.5m-a-year.
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That works out at just over £160k-a-week.
Napoli though are claimed to be demanding £34m for their star centre-back.
But the Serie A outfit could be forced into a sale this summer with just 12 months left to run on Koulibaly’s current contract.
Barcelona are also understood to be interested in a swoop for the Senegalese international.
