Ajax are expecting new offers from Manchester United and Arsenal for centre-back Lisandro Martinez.
The Dutch club want £43million for their Argentine centre back with Arsenal and United now battling for his signature and both sides looking to wrap up the transfer as they prepare to embark on pre-season tours.
Ajax directors Klaas-Jan Huntelaar and Gerry Hamstra were in London at the weekend to discuss the deal with United - who matched Arsenal's £38m bid but offered a structure that guaranteed them more cash.
United boss Erik ten Hag (L) and Arsenal coach Mikel Arteta (R) are both keen on the defender
The Argentine has asked to leave the Eredivisie club and is keen to try his luck in the Premier League.