From Wikipedia: Kieran Tierney is a Scottish professional footballer who plays for Premier League side Arsenal and the Scotland national team as a left back. Born on the Isle of Man, Tierney moved to Lanarkshire at a young age. He came through the Celtic youth system and made his first team debut in April 2015, and his full international debut in March 2016.
On the 8th of August 2019 Tierney signed for English Premier League team, Arsenal for a reported £25,000,000.