Ashley Williams is "very committed" to Swansea and will not be leaving the club this summer, according to boss Garry Monk.
Real Madrid have reportedly reopened negotiations with Manchester United over David de Gea and may complete a deal in the coming days.
Greek teenage winger Charis Mavrias has arrived in Sunderland for a medical ahead of a £2.5million move from Panathinaikos.
The 19-year-old Greece international, who has two caps to his name, has begun talks at the Stadium of Light.
Mavrias is the second youngest player to play in the Champions League - at the age of 16 years and eight months - and has since made more than 60 appearances for Panathinaikos, scoring six goals.