Chelsea have made a €50m offer for Ajax midfielder Edson Alvarez.
However, Ajax are reluctant to lose anymore of their title winners on deadline day today.
Ajax have already sold Lisandro Martinez and Antony to Manchester United and had earlier told midfielder Mohammed Kudus that he could not join Everton despite the Ghanaian refusing to train.
Chelsea have made their move amid injuries to N'Golo Kante and Ruben Loftus-Cheek while Mateo Kovacic is just returning to fitness
Alvarez's agents have confirmed talks with a major European club in the past week.