Age today28
Recorded moves11
Peak recorded value€1.00m
Current market value€800k
01 / PLAYER DETAILS
At a glance
- Full name
- Thomas Mattias Poppler Isherwood
- Born
- 28 Jan 1998
- Nationality
- Sweden
- Position
- Centre-Back
- Preferred foot
- left
- Height
- 195
- Joined current club
- 29 Jan 2026
- Contract expires
- 31 Dec 2028
02 / THE JOURNEY
Previous clubs
- AIKLast recorded move · 29 Jan 2026
- SV Darmstadt 98Last recorded move · 26 Aug 2024
- Östersunds FKLast recorded move · 03 Jan 2021
- Bradford CityLast recorded move · 25 Jan 2019
- FC Bayern Munich IILast recorded move · 01 Jul 2018
- FC Bayern Munich U19Last recorded move · 01 Jul 2017
- IF Brommapojkarna U19Last recorded move · 28 Jul 2015
- IF Brommapojkarna U17Last recorded move · 01 Jan 2015
- IF Brommapojkarna JugendLast recorded move · 01 Jan 2014
- AFC Eskilstuna YouthLast recorded move · 01 Jan 2012
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 |
|---|---|---|---|
| 29 Jun 2026 | 28 | IF Elfsborg | €800k |
| 19 Nov 2025 | 27 | AIK | €600k |
| 16 Sep 2025 | 27 | AIK | €600k |
| 18 Jun 2025 | 27 | AIK | €500k |
| 20 Dec 2024 | 26 | AIK | €400k |
| 29 May 2024 | 26 | SV Darmstadt 98 | €500k |
| 27 Mar 2024 | 26 | SV Darmstadt 98 | €700k |
| 14 Dec 2023 | 25 | SV Darmstadt 98 | €900k |
| 28 Jun 2023 | 25 | SV Darmstadt 98 | €900k |
| 30 Nov 2022 | 24 | SV Darmstadt 98 | €900k |
| 16 Jun 2022 | 24 | SV Darmstadt 98 | €1.00m |
| 15 Dec 2021 | 23 | SV Darmstadt 98 | €1.00m |
| 13 Oct 2021 | 23 | SV Darmstadt 98 | €500k |
| 16 Jun 2021 | 23 | SV Darmstadt 98 | €600k |
| 08 Feb 2021 | 23 | SV Darmstadt 98 | €600k |
| 10 Dec 2020 | 22 | Östersunds FK | €600k |
| 05 Aug 2020 | 22 | Östersunds FK | €500k |
| 20 Nov 2019 | 21 | Östersunds FK | €300k |
| 28 Jun 2019 | 21 | Östersunds FK | €400k |
| 20 Feb 2018 | 20 | FC Bayern Munich II | €50k |
| 20 Aug 2017 | 19 | FC Bayern Munich II | €25k |
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 |
|---|---|---|---|---|
| 29 Jan 2026 | AIK | IF Elfsborg | Transfer | Free |
| 01 Jan 2026 | AIK | Not recorded | Not recorded | — |
| 26 Aug 2024 | SV Darmstadt 98 | AIK | Transfer | Free |
| 03 Jan 2021 | Östersunds FK | SV Darmstadt 98 | Transfer | — ? |
| 25 Jan 2019 | Bradford City | Östersunds FK | Transfer | Free |
| 01 Jul 2018 | FC Bayern Munich II | Bradford City | Transfer | Free |
| 01 Jul 2017 | FC Bayern Munich U19 | FC Bayern Munich II | Internal move | — |
| 28 Jul 2015 | IF Brommapojkarna U19 | FC Bayern Munich U19 | Transfer | — ? |
| 01 Jan 2015 | IF Brommapojkarna U17 | IF Brommapojkarna U19 | Internal move | — |
| 01 Jan 2014 | IF Brommapojkarna Jugend | IF Brommapojkarna U17 | Internal move | — |
| 01 Jan 2012 | AFC Eskilstuna Youth | IF Brommapojkarna Jugend | Transfer | — ? |
Includes loans, loan returns, internal moves and scheduled transfers. Free means a recorded €0 fee; — means no figure was recorded.