Scottish Premiership champions Celtic are set to sign AEK Athens goalkeeper Vasilis Barkas on Tuesday according to The Glasgow Evening Times.
The report claims that Celtic have raised their offer for Barkas' signature to £5million, and have included a sell-on clause in their offer, they have now reached an agreement.
Barkas is set to travel to Scotland some time today and the deal should be completed if he passes his medical.
The Daily Record reported that the deal on the table has been approved by Barkas and his respective representatives.
Furthermore, the report added that Neil Lennon wants the 26-year-old who can be a replacement for Fraser Forster who will not be coming back to Celtic following the expiration of his loan deal.
Barkas has been capped ten times for the Greece national team.