Greek youngster Panagiotis Retsos is attracting big Premier League interest.

Contra.gr says the Olympiakos defender, 18, is being watched by Manchester United, Arsenal and Liverpool this season.

Standing at 1.85m, Retsos can play at centre-half and left-back. His contract runs to 2021.

Bayern Munich are also keen and had chief scout Dirk Anders check on the youngster in the Europa League against Young Boys of Berne.