Former Celtic star Josip Juranovic has praised ex-team-mate Giorgos on social media after the striker scored his fifth goal in five games for Atlanta United.
Both men left the Hoops during the January transfer window, with the Croatia international joining Union Berlin in the Bundesliga and the Greek striker moving to America.
The forward has been on a red-hot scoring streak in the MLS, with his side currently sitting third in the division.
And he took to social media to praise his team-mates, writing on Instagram: "Our return home was accompanied by a coveted victory."
And Juranovic was hyping up the striker on the post, saying: "Again and again. Like always."
READ MORE: Inside Celtic's fairytale centenary season league title win
Meanwhile, Celtic midfielder Tomoki Iwata has praised Ange Postecoglou's style of play, calling it "attractive".
The Japanese midfielder, who played under the Australian at Yokohama F Marinos, has started in the last two matches against Kilmarnock and Motherwell.
And Iwata was keen to make clear he is enjoying life in Glasgow.
Speaking to Celtic TV, he said: "I have started to be involved in the games. Having two starts, there were moments I could express myself within the game, but also some parts of the game I felt I had to improve more and more for Celtic to win.
"So, I feel I got a lot of confidence as well as new challenges in the past two weeks.
"At the beginning, I found there were many differences and it was difficult for me to adapt, to be honest.
"But I got support from the players and staff to settle in quickly and I thank them for that.
"My condition is improving and I hope that is helping the team as well.
"I feel very happy as a player. There are managers out there but I think the football under the boss is very attractive.
"I really enjoy the training day to day. I'm having a great time here."
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