Jurgen Klopp's side have been ravaged by injury this season - particularly in defence - with key centre-back Virgil van Dijk a long-term absentee while Joe Gomez and Joel Matip have also been out for some time.
Klopp has previously made no secrets of his desire for a new defender and the club have now acted by making first contact with Greek international Sokratis, as reported by the Athletic.
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