Kieran Tierney was born on the 5th of June 1997 in Scotland and is currently aged 27. At a height of 5 ft 10 in (1.78m) and weight of 11st 13lb (76kg), he primarily occupies the position of a left back defender for Arsenal, wearing the number 3 jersey.
According to Transfermarkt, Tierney's current market value sits around the region of £8.5m. His contract with Arsenal is set to expire on the 30th of June 2025 after only 6 months.
Tierney joined Celtic in the Scottish Premiership in July 2014. In his debut season (2014-2015), he had two first team appearances in league matches. The following season (2015-2016), he improved greatly and earned 23 appearances, along with scoring a goal. The weighted pendulum of progression did not cease to swing in Tierney's favour, as the defender made 24 appearances and scored another goal in the 2016-2017 season. By 2017-2018, Tierney had become an impactful player for Celtic, making a startling 32 appearances and scoring three goals. His last season with Celtic (2018-2019) observed him making 21 appearances in league matches.
In August 2019, Tierney transferred from Celtic to Arsenal in the English Premier League for a significant fee of £25m. His initial season (2019-2020) at Arsenal saw him make 15 league appearances and scored a goal. A similar rhythm unfolded in the 2020-2021 and 2021-2022 seasons with Tierney clocking up 27 and 22 appearances respectively, each year accompanied with a goal. The 2022-2023 season involved him making 27 appearances, but without a goal. As of the 2024-2025 season, Tierney has yet to make a league appearance.
The defender's career trajectory took a dynamic turn in August 2023 when he was transferred on loan from Arsenal to Real Sociedad in LaLiga, Spain. While with Real Sociedad during the 2023-2024 season, Tierney added 20 league appearances to his career tally. Upon completion of his loan, Tierney returned to Arsenal in June 2024.
In the ongoing 2024-2025 season, Tierney has yet to make a league appearance for Arsenal. However, he has featured once as a substitute in FA Cup and once as a starting player in the League Cup for Arsenal.
