
Konstantinos Mavropanos
Value picture
Where the market, the likely price and the model estimates sit.
The model rates Konstantinos Mavropanos's performance-implied value at EUR 13.2M-29.3M, above the estimated acquisition range of EUR 11.1M-23.2M. Its 24-month market value projection is EUR 6.7M-13.3M. Confidence is medium: no event-level data (xG, progressive actions) is available from the current free source, and injury history is unavailable.
Bargain Index: 9
What drives the score. Not a black box: each component and its level.
| Performance | Elite | 90.3th pct among DEF peers (age-neutral) |
| Age | Unfavorable | 28.6 years |
| Acquisition cost | Neutral | est. €16.3M vs market €18.0M |
| Expected appreciation | Very low | -41% over ~2 years (model) |
| Value gap | Small | weak predictor on its own |
| Development | Low | |
| League translation | Big-five league | league coefficient 1.3 |
| Tactical fit | Not evaluated | Requires event/role data not available from the current free source. |
| Risk | Low | |
| Data confidence | Medium |
Bargain Index = percentile (among all evaluated players) of expected 2-year value relative to estimated cost. See methodology and backtests.
Market value history
Market value ≠ transfer fee ≠ acquisition cost.
Profile vs positional peers
Percentiles among 1268 evaluated DEF players with 900+ minutes.
Performance (last season, league)
- Minutes
- 2532 (74% of available)
- Goals + assists / 90
- 0.11
- Context-adjusted G+A / 90
- 0.11
- xG, xA, progression
- Data unavailable
- Defensive actions
- Data unavailable
- Performance percentile
- 90 (Elite)
Adjusted = shrunk toward positional baseline for small samples, corrected for team dominance over opponents, expressed relative to positional peers in the same league.
Context
- League strength
- 1.30 (rank 1)
- Team strength (Elo)
- 1520
- Opponent strength
- 1620
- Possession, role
- Data unavailable
League strength 1.00 = average club of the big-five leagues. Elo includes continental matches.
Potential
- Development
- Low
- Trajectory
- improving
- Breakout probability
- Age > 23
- Resale range (24m)
- €6.7M – €13.3M
Trajectory drivers: relative output up 330% vs positional peers.
Historical comparables (8): median 2-year value change -51% (IQR -64% to -28%).
Risk profile
Overall: Low
- ⓘInjury history unavailable from current data source.
League translation
What happened to players who moved from this league to the big-five leagues (observed, not a forecast).
Already playing in a big-five league.
Output is relative to positional peers in each league. Movers are a selected group (clubs buy players who fit), so treat this as context, not a guarantee.
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. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025/26 | West Ham United | Premier League | CB | 31 | 2532 | 74% | 3 | 0 | 0.11 | 0.11 | 1620 | 1520 | 1.30 |
| 2024/25 | West Ham United | Premier League | CB | 33 | 2037 | 60% | 0 | 0 | 0.00 | 0.02 | 1566 | 1520 | 1.23 |
| 2023/24 | West Ham United | Premier League | CB | 19 | 1501 | 44% | 1 | 0 | 0.06 | 0.05 | 1590 | 1540 | 1.14 |
| 2022/23 | VfB Stuttgart | Bundesliga | CB | 28 | 2288 | 75% | 2 | 1 | 0.12 | 0.11 | 1527 | 1429 | 1.04 |
| 2021/22 | VfB Stuttgart | Bundesliga | CB | 31 | 2710 | 89% | 4 | 1 | 0.17 | 0.16 | 1538 | 1425 | 1.05 |
| 2020/21 | VfB Stuttgart | Bundesliga | CB | 21 | 1472 | 48% | 0 | 0 | 0.00 | 0.03 | 1570 | 1462 | 1.06 |
| 2018/19 | Arsenal FC | Premier League | CB | 4 | 149 | 4% | 0 | 0 | 0.00 | 0.04 | 1532 | 1733 | 1.22 |
| 2017/18 | PAS Giannina | Super League 1 | CB | 14 | 1260 | 47% | 3 | 0 | 0.21 | 0.20 | 1293 | 1259 | 0.48 |
| 2017/18 | Arsenal FC | Premier League | CB | 3 | 195 | 6% | 0 | 0 | 0.00 | 0.05 | 1622 | 1665 | 1.15 |
| 2016/17 | PAS Giannina | Super League 1 | CB | 2 | 148 | 5% | 0 | 0 | 0.00 | 0.08 | 1299 | 1243 | 0.44 |
Cups & continental competitions
| Season | Competition | Club | Apps | Min | G | A | Avg opp. Elo |
|---|---|---|---|---|---|---|---|
| 2025/26 | Fa Cup | West Ham United | 3 | 285 | 0 | 0 | — |
| 2024/25 | Fa Cup | West Ham United | 1 | 85 | 0 | 0 | — |
| 2023/24 | Uefa Europa League | West Ham United | 9 | 806 | 0 | 0 | 1493 |
| 2023/24 | Fa Cup | West Ham United | 2 | 129 | 0 | 0 | — |
| 2022/23 | Dfb Pokal | VfB Stuttgart | 4 | 302 | 0 | 0 | — |
| 2021/22 | Dfb Pokal | VfB Stuttgart | 2 | 144 | 1 | 0 | — |
| 2020/21 | Dfb Pokal | VfB Stuttgart | 1 | 78 | 0 | 0 | — |
| 2019/20 | Uefa Europa League | Arsenal FC | 1 | 90 | 0 | 0 | 1499 |
| 2017/18 | Kypello Elladas | PAS Giannina | 2 | 99 | 0 | 1 | — |
| 2016/17 | Kypello Elladas | PAS Giannina | 2 | 156 | 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.
| Player (then) | Age | Value then | ~2y later | Outcome |
|---|---|---|---|---|
| Jannik Vestergaard Premier League · 2021 | 29 | €18.0M | €4.0M | fell |
| Diego Llorente Laliga · 2020 | 27 | €20.0M | €18.0M | flat |
| James Tomkins Premier League · 2018 | 29 | €8.0M | €4.0M | fell |
| Dan Burn Premier League · 2022 | 30 | €12.0M | €8.0M | fell |
| Kurt Zouma Premier League · 2023 | 29 | €22.0M | €25.0M | flat |
| Víctor Ruiz Laliga · 2018 | 29 | €12.0M | €3.2M | fell |
| Michael Keane Premier League · 2021 | 28 | €25.0M | €10.0M | fell |
| Lucas Digne Premier League · 2022 | 29 | €25.0M | €12.0M | fell |
Transfer history
Fees as reported by the source; undisclosed fees shown as unknown, never estimated.
| Date | From | To | Fee | MV at time |
|---|---|---|---|---|
| 22 Aug 2023 | Stuttgart | West Ham | €20.0M | €15.0M |
| 1 Jul 2022 | Arsenal | Stuttgart | €3.2M | €15.0M |
| 30 Jun 2022 | Stuttgart | Arsenal | Free / loan | €15.0M |
| 16 Jul 2020 | Arsenal | Stuttgart | Free / loan | €2.4M |
| 12 Jul 2020 | 1.FC Nuremberg | Arsenal | Free / loan | €2.4M |
| 13 Jan 2020 | Arsenal | 1.FC Nuremberg | Free / loan | €3.0M |
| 4 Jan 2018 | PAS Giannina | Arsenal | €2.1M | €450k |
| 4 Jan 2016 | Apollon U20 | PAS Giannina | Free / loan | 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.