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Gretas may soon be joined by Birmingham's "Aston Villa" defender Luke Young.
As "The Guardian" reports, the clubs have already agreed on a compensation of around 3 million euros, so now it remains for the player himself to agree on personal contract terms.
The 31-year-old Young lost his place in the main "Aston Villa" lineup, unable to compete with Carlos Cuellar.
It is still unclear whether the versatile player would be a backup for right-back Glen Johnson in Roy Hodgson's team or the main left-back.
