Javier Manquillo spent last season on loan at Marseille. Jean Catuffe/Getty ImagesSunderland have announced the signing of Javier Manquillo on loan from Atletico Madrid.
Manquillo, 22, underwent a medical at Sunderland on Wednesday and has now completed his switch to Wearside.
The right-back becomes Sunderland manager David Moyes' fifth signing of the summer.