Arsenal have announced the signing of left-back Kieran Tierney from Celtic in a deal worth around £25 million.
The Gunners unveiled their man on social media after he completed a medical at London Colney on Thursday.
Tierney who has been handed the No 3 shirt will now join up with his new teammates as preparations for the new Premier League season continues.
“We’re delighted Kieran is joining us. He’s a very talented player who will continue to improve. He increases our options defensively and I look forward to him joining our group,” Unai Emery said of the club's newest acquisition.
The deal for the 22-year-old was born in the Isle of Man and played for Celtic since the age of seven is subject to the completion of regulatory processes.