Jón Dagur Thorsteinsson
27 yrs · Left winger · Iceland
Sportsklubben Brann · Eliteserien · Foot: right · Height: 177 cm
Contract: until 30 Jun 2026
No model evaluation for this player. MoneyballAI evaluates players with at least 450 league minutes last season in leagues where match-level player data is available from the current free source (14 European top divisions). Market value and transfer history are still shown below.
Market value
€800k
Updated 6 days ago
Estimated acquisition
—
Estimated · 20–80% range
Model value
—
Performance-implied · estimated
Projected (24m)
—
Resale range · estimated
Potential value gap
—
Model value − acquisition
Market value history
Market value ≠ transfer fee ≠ acquisition cost.
Highest recorded: €3.5M
Season-by-season (domestic league)
Context-adjusted values are model outputs.
| Season | Club | League | Pos | Apps | Min | Min share | G | A | G+A/90 | Adj. G+A/90 | Opp. Elo | Team Elo | League str. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/25 | Oud-Heverlee Leuven | Jupiler Pro League | LW | 3 | 89 | 3% | 1 | 0 | 1.01 | 0.46 | 1310 | 1323 | 0.63 |
| 2023/24 | Oud-Heverlee Leuven | Jupiler Pro League | LW | 28 | 1843 | 68% | 4 | 5 | 0.44 | 0.46 | 1393 | 1302 | 0.63 |
| 2022/23 | Oud-Heverlee Leuven | Jupiler Pro League | LW | 31 | 2135 | 70% | 12 | 3 | 0.63 | 0.59 | 1322 | 1338 | 0.58 |
| 2021/22 | Aarhus GF | Superliga | LW | 18 | 1282 | 65% | 3 | 2 | 0.35 | 0.30 | 1241 | 1303 | 0.45 |
| 2020/21 | Aarhus GF | Superliga | LW | 22 | 1416 | 72% | 5 | 2 | 0.44 | 0.42 | 1284 | 1335 | 0.43 |
| 2019/20 | Aarhus GF | Superliga | LW | 21 | 1136 | 49% | 5 | 3 | 0.63 | 0.53 | 1308 | 1317 | 0.41 |
| 2018/19 | Vendsyssel FF | Superliga | LW | 17 | 1332 | 57% | 3 | 2 | 0.34 | 0.52 | 1313 | 1160 | 0.44 |
Cups & continental competitions
| Season | Competition | Club | Apps | Min | G | A | Avg opp. Elo |
|---|---|---|---|---|---|---|---|
| 2025/26 | Uefa Europa League | Sportsklubben Brann | 2 | 152 | 0 | 0 | 1540 |
| 2025/26 | Dfb Pokal | Hertha BSC | 3 | 91 | 1 | 0 | — |
| 2024/25 | Dfb Pokal | Hertha BSC | 2 | 40 | 0 | 0 | — |
| 2021/22 | Oddset Pokalen | Aarhus GF | 2 | 185 | 1 | 1 | — |
| 2021/22 | Uefa Conference League Qualifying | Aarhus GF | 2 | 74 | 0 | 0 | 1393 |
| 2020/21 | Oddset Pokalen | Aarhus GF | 5 | 277 | 1 | 1 | — |
| 2020/21 | Uefa Europa League Qualifying | Aarhus GF | 2 | 146 | 0 | 0 | 1305 |
| 2019/20 | Oddset Pokalen | Aarhus GF | 3 | 187 | 0 | 1 | — |
| 2018/19 | Oddset Pokalen | Vendsyssel FF | 3 | 148 | 0 | 0 | — |
Small continental samples are shown for context only and are not over-weighted.
Historical comparables
Most similar profiles 2+ years ago (same position group) and what happened next. Chosen by similarity only — failures included.
No comparables computed for this player.
Transfer history
Fees as reported by the source; undisclosed fees shown as unknown, never estimated.
| Date | From | To | Fee | MV at time |
|---|---|---|---|---|
| 30 Jun 2026 | SK Brann | Hertha BSC | Free / loan | €800k |
| 2 Feb 2026 | Hertha BSC | SK Brann | Free / loan | €800k |
| 27 Aug 2024 | OH Leuven | Hertha BSC | €250k | €2.5M |
| 4 Jul 2022 | Aarhus GF | OH Leuven | Free / loan | €1.5M |
| 1 Jul 2019 | Fulham U23 | Aarhus GF | Unknown | €400k |
| 30 Jun 2019 | Vendsyssel FF | Fulham U23 | Free / loan | €400k |
| 31 Aug 2018 | Fulham U23 | Vendsyssel FF | Free / loan | Data unavailable |
| 1 Jul 2016 | Fulham U18 | Fulham U23 | Unknown | Data unavailable |
| 2 Sept 2015 | HK Kópavogs | Fulham U18 | Unknown | Data unavailable |
| 1 Jan 2014 | HK Kóp. U19 | HK Kópavogs | Unknown | Data unavailable |
MoneyballAI identifies statistical opportunities from available data. A player flagged as a potential bargain is not guaranteed to succeed, to transfer, to rise in value, or to generate resale profit. Market values, fees and contracts come from third-party sources; ranges are model estimates with stated confidence.