Ajax are in talks with Barcelona over loan signings.
Ajax chief Marc Overmars sees Andreu Fontas as a replacement for Jan Vertonghen, now of Tottenham.
And with Vurnon Anita due for a Newcastle United medical today, Overmars also wants Barca midfielder Jonathan dos Santos as a direct replacement.
Overmars is a former Barca player and has a good relationship with their sports director Andoni Zubizarreta.