Sunderland are on the verge of completing a deal for Charis Mavrias.

The 19-year old Greek winger is on his to Wearside from Panathinaikos to undergo a medical and agree personal terms with the Black Cats.

Reports suggest that Mavrias will cost Sunderland around £1.25million, which could double due to add-ons, making him Paolo Di Canio's tenth summer signing.

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