Napoli are looking to raise Piotr Zielinski’s release clause to €100m (£90m) to ward off interest from Chelsea.
The Poland international was in fine form for the Italian club last season under manager Maurizio Sarri.
The Italian is now in charge of Chelsea and reports over the summer claimed he wanted to bring Zielinski with him.
Napoli demanded that anyone looking to buy the attacking midfielder would have to pay his €65m (£59m) release clause in full and he ended up staying put.
And now, according to Tuttosport, the 24-year-old has been offered a fresh contract that will lead to that figure bring increased.
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Napoli have offered Zielinski a new deal that will run until June 2023 and it includes a pay rise.
And crucially, the fresh terms will also raise the player’s release clause to €100m (£90m).