Chelsea have agreed a move to sign Kalidou Koulibaly from Napoli, confirms Fabrizio Romano.
The Blues have agreed to pay a €40m fee with add-ons for the experienced centre-back.
Napoli are now just checking the documents before completing the transfer.
Koulibaly will receive a €10m-a-year salary at Chelsea and is likely to undergo his medicals on Thursday.
He should become their second signing after the Blues confirm the acquisition of Raheem Sterling from Man City.
Source: FabrizioRomano @Twitter
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