Sunderland have completed the signing of Atletico Madrid right back Javier Manquillo.
The defender has moved to the Stadium of Light on an initial season long loan but the move could become permanent at the end of the season.
Sunderland have to option to sign the player permanently on a four-year deal at the club should his loan spell be succesful.
The defender has already gained Premier League experience, spending a season on loan at Liverpool before his spell was ended early. He since spent last season on loan at French club Marseille where he showed his qualities and prompting the move from Sunderland.