Kepa Arrizabalaga
De la Fuente stuck with only 11 players who went to the World Cup in Qatar, where Spain were knocked out by Morocco in the last 16 under predecessor Luis Enrique, with Barcelona defender Jordi Alba among those overlooked.
Kepa famously refused to be replaced by former Chelsea boss Maurizio Sarri in a League Cup final defeat to Manchester City two years ago.
Kepa has passed the medical review prior to the signing by Real Madrid.
Real Madrid wants to replace Keylor Navas and Kiko Casilla next summer.