Born in Scotland on 5 June 1997, Kieran Tierney is a formidable defender with a primary position of left back at Celtic Football Club. Standing 5ft 10in (1.78m) tall and tipping the scales at 11st 13lb (76kg), Tierney rules the pitch donning the number 63 jersey, a sight well-known to the Scottish national team's faithful supporters for whom he has also run the field.
His current market value is estimated around £6.5m, as per the information on Transfermarkt.
His journey with Celtic began in July 2005 when he joined the Premiership as a trainee. The 2014-2015 season marked his debut at Celtic, where he surfaced in two first-team league matches. This commendable start was just the beginning. Over the following seasons, Tierney put up impressive appearances and even delivered goals. Particularly interesting are the 2017-2018 and current 2025-2026 season where he racked up three and two goals respectively.
August 2019 saw Tierney's talent recognised with a move from Celtic to Arsenal in the Premier League for a hefty sum of around £25m. His stint at Arsenal was punctuated by numerous first team appearances and occasional goals, evidenced over seasons 2019-2020 right through to 2024-2025.
A change of pace took place in August 2023, where Tierney was loaned from Arsenal to Real Sociedad in LaLiga in Spain, marking 20 first team appearances during the 2023-2024 season.
Upon completion of this Spanish sojourn, Tierney returned to Arsenal in the Premier League in July 2024, continuing his run of numerous first-team appearances till 2025.
The wheel came full circle in July 2025, when Tierney transferred back to Celtic from Arsenal. Ever since, Tierney continues his tireless contributions to the team, recorded by substantial appearances and goals in league matches.
Aside from his impressive league performances, Tierney also made significant contributions to various championships including the League Cup, World Cup Qualifiers Europe, Euro, Euro Qualifiers, Champions League Qualifiers, Nations League, and Europa League from 2022 until the present, making him an accomplished football talent at both the club and national level.
