Age today29
Recorded moves6
Peak recorded value€32.00m
Current market value€8.00m
01 / PLAYER DETAILS
At a glance
- Full name
- Kieran Tierney
- Born
- 05 Jun 1997
- Nationality
- Scotland
- Position
- Left-Back
- Preferred foot
- left
- Height
- 180
- Joined current club
- 01 Jul 2025
- Contract expires
- 30 Jun 2030
02 / THE JOURNEY
Previous clubs
- Arsenal FCLast recorded move · 01 Jul 2025
- Real SociedadLast recorded move · 30 Jun 2024
- Celtic Glasgow U20Last recorded move · 01 Jan 2016
- Celtic Glasgow U17Last recorded move · 01 Jul 2014
Clubs from completed, dated transfers, most recent first. Repeat spells are listed in the full transfer history.
03 / VALUE OVER TIME
Market value history
| Valuation date | Age then | Club at the time | Market value |
|---|---|---|---|
| 20 May 2026 | 28 | Celtic FC | €8.00m |
| 10 Dec 2025 | 28 | Celtic FC | €8.00m |
| 08 Oct 2025 | 28 | Celtic FC | €8.00m |
| 30 May 2025 | 27 | Arsenal FC | €9.00m |
| 16 Dec 2024 | 27 | Arsenal FC | €10.00m |
| 01 Oct 2024 | 27 | Arsenal FC | €10.00m |
| 07 Jun 2024 | 27 | Real Sociedad | €12.00m |
| 21 Mar 2024 | 26 | Real Sociedad | €12.00m |
| 22 Dec 2023 | 26 | Real Sociedad | €18.00m |
| 20 Jun 2023 | 26 | Arsenal FC | €25.00m |
| 16 Mar 2023 | 25 | Arsenal FC | €25.00m |
| 03 Nov 2022 | 25 | Arsenal FC | €30.00m |
| 15 Jun 2022 | 25 | Arsenal FC | €32.00m |
| 23 Dec 2021 | 24 | Arsenal FC | €32.00m |
| 28 May 2021 | 23 | Arsenal FC | €32.00m |
| 18 Mar 2021 | 23 | Arsenal FC | €30.00m |
| 17 Dec 2020 | 23 | Arsenal FC | €28.00m |
| 13 Oct 2020 | 23 | Arsenal FC | €32.00m |
| 30 Jul 2020 | 23 | Arsenal FC | €28.00m |
| 08 Apr 2020 | 22 | Arsenal FC | €20.00m |
| 10 Dec 2019 | 22 | Arsenal FC | €25.00m |
| 12 Sep 2019 | 22 | Arsenal FC | €25.00m |
| 03 Jan 2019 | 21 | Celtic FC | €12.50m |
| 08 Aug 2018 | 21 | Celtic FC | €12.50m |
| 04 Mar 2018 | 20 | Celtic FC | €5.00m |
| 14 Feb 2017 | 19 | Celtic FC | €2.00m |
| 28 Dec 2015 | 18 | Celtic Glasgow U20 | €500k |
| 14 Oct 2015 | 18 | Celtic Glasgow U20 | €100k |
Each row is a dated valuation. The bar shows its share of the player’s peak recorded value. — means not recorded.
04 / EVERY MOVE
Full transfer history
| Date | From | To | Move | Fee |
|---|---|---|---|---|
| 01 Jul 2025 | Arsenal FC | Celtic FC | Transfer | Free |
| 30 Jun 2024 | Real Sociedad | Arsenal FC | Loan return | — End of loan |
| 27 Aug 2023 | Arsenal FC | Real Sociedad | Loan | €1.40m |
| 08 Aug 2019 | Celtic FC | Arsenal FC | Transfer | €27.00m |
| 01 Jan 2016 | Celtic Glasgow U20 | Celtic FC | Internal move | — |
| 01 Jul 2014 | Celtic Glasgow U17 | Celtic Glasgow U20 | Internal move | — |
Includes loans, loan returns, internal moves and scheduled transfers. Free means a recorded €0 fee; — means no figure was recorded.