Born on 5th June 1997, Kieran Tierney is a Scottish defender who currently plays as a left back for Celtic Football Club. He stands at 5ft 10in (1.78m) tall and weighs 11st 13lb (76kg). With the number 63 jersey, Tierney also represents the Scotland national team.
After joining Celtic as a trainee in July 2005, Tierney made his debut season in the Premiership in Scotland during 2014 - 2015. Starting his career solidly, he made two first-team appearances in league matches. In the following 2015 - 2016 season, Tierney showed significant development, achieving 23 first team appearances and scoring his first goal. The subsequent 2016-2017 and 2017-2018 seasons saw Tierney continue his growth, making 24 and 32 appearances respectively, whilst also scoring once and three times. During the 2018 - 2019 season, he made 21 first team appearances. His current 2025 - 2026 season sees him having made 19 appearances and scored three goals, illustrating his dedication to the club.
While being a stalwart at Celtic for several seasons, Tierney eventually transferred to Arsenal in the Premier League in England in August 2019 for a hefty fee of approximately £25million. Here he continued his upward trajectory, making several appearances across multiple seasons and scoring a couple of goals. His time at Arsenal was interrupted by a loan transfer to Real Sociedad in Spain's LaLiga during August 2023 for a season, where he made 20 first team appearances in league matches.
Upon his return to Arsenal in July 2024 after the completion of his loan, Tierney resumed his position in the team, appearing consistently in the league. However, by July 2025, he had made a significant move back to Celtic in the Premiership, returning to his birthplace of Scotland. His significant experience and growth during his journey across some of the world's best leagues has strengthened Tierney's capabilities and contributions upon his return to Celtic.
As of now, Tierney's market value is around £7.5m, as noted by Transfermarkt. Over the years, he has also participated in various competitions such as the League Cup 2025 - 2026 for Celtic, the World Cup Qualifiers Europe 2024 - 2026 for Scotland, the Champions League Qualifiers 2025 - 2026 for Celtic, the Nations League 2024 - 2025 for Scotland, and the Europa League 2025 - 2026 for Celtic. With his evident dedication and skill to his craft, Tierney continues to be a prominent figure in the world of football.
