Kieran Tierney

Kieran Tierney (born 5 June 1997) is a Scottish professional footballer who plays as a left-back for Scottish Premiership club Celtic and the Scotland national team. Tierney came through the Celtic youth system and made his first-team debut in April 2015, and his full international debut in March 2016. He joined Arsenal in August 2019 for a fee reported at £25 million, a record amount both for a Scottish national and for a player from the Scottish league.