The fullback completed a £25m move to the Emirates on transfer deadline day after a whole summer of speculating his future.
He expressed his regret on social media over leaving his boyhood club behind and possibly ruining his relationship with the fans. However, Brown believes that the 22-year-old’s transfer should be celebrated since he is on to bigger and better things.
“All the lads are delighted for him. He got a fantastic move and he’s got a fantastic club as well,” Brown said. “He loves this club so much that it was a hard thing for him to do, but he’s going down to England, he’s going to play against the best players week in, week out and he’s going to be in Europe as well.
“He came through the youth, he has supported Celtic all the way through, he has not cost the club a penny and we have sold him for £25million.
“For me personally, it should be a fairy-tale story. When you look at Ajax and other teams like that, when they sell players that have come through the youth and given so much to the club, they have a big party on the street and all the fans come out and cheer. It’s sad that we couldn’t all wish him a farewell at Celtic Park but I’m sure he will be back up.”
Tierney returned to his hometown on Sunday to bid farewell to his former team-mates. With his transfer left up to the dying moments of the transfer window, there was not much time left to plan a proper goodbye.
“He popped in and everyone was delighted to see him,” Celtic manager, Neil Lennon said. “He got a nice farewell from the players. It was emotional for him obviously, but the players get on with it now. That’s what you do, you move on. He’s going to be a big miss obviously but there’s an opportunity there for someone else to take on the mantle now.”
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