Arsenal officially confirmed the signing of teenage defender Omar Rekik from Hertha Berlin for a reported fee of £540,000 on Thursday.
The talented centre back is just 19-years-old - but has already found himself on the move once again after spending time on the books at Feyenoord, Manchester City, PSV Eindhoven and Marseille.
His nomadic career has taken another twist now at the Emirates, and Arsenal supporters will likely be unsure of what to expect from their newest addition.
Here, Sportsmail takes a look and answers all the burning questions.