It has been reported that Sunderland have struck terms with Panathinaikos for winger Charis Mavrias.
The Daily Mail revealed that the 19 year old Greece international is on his way to Sunderland for talks and a medical.
It is said that the Black Cats have agreed a £2.5million fee for the Panathinaikos midfielder.
Mavrias joined the Panathinaikos academy as a 12-year-old, making his first team debut in a Champions League game against Rubin Kazan.