Celtic captain, Scott Brown, has said former team-mate Kieran Tierney could end up at Barcelona or Paris Saint-Germain, if he performs well at Arsenal.
The Scottish left-back, 22, joined the Gunners in a deal worth £25m on transfer deadline day and.
Tierney will compete with Sead Kolasinac and Nacho Monreal, for a starting spot once he recovers fully from his hernia operation.
And Brown feels that he could earn himself another big move from the Emirates.
“You don’t know what could happen.
“He could have a fantastic couple of seasons and end up at Barcelona or PSG or wherever,” Brown told The Herald.