It has been reported that Chelsea boss Maurizio Sarri looks to bring Napoli centre-back Kalidou Koulibaly to Stamford Bridge.
Koulibaly has a contract with the Partenopei until 2021 but has been repeatedly linked with a move.
According to FranceFootball Chelsea submitted an ‘astronomical offer’ of €80m for the France-born Senegal international.
The report claims, that Barcelona scouts have been following Koulibaly for two or three months to decide whether they should make a move.
Chelsea’s offer is so high it’s unlikely Barca would look to match it, giving Sarri’s side the price advantage going forward.