Juan
Foyth
CBArgentina · Villarreal CF
Player dossierLaLiga
JuanFoyth
CBCentre-BackDefender
- Club
- Villarreal CF
- League
- LaLiga
- Nationality
- Argentina
- Age
- 28
- Height
- 187 cm
- Foot
- Right
- Valued
- 5 Jun 2026
LaLigaReading the valuation
The market values Foyth at €8M. Model A, which never saw Foyth during training, estimates €5.1M: the market value is 56% above that estimate.
That is a factor of ×1.56. Model A's typical held-out miss is ×1.50 either way, so this gap is larger than its usual error.
Without league and club, Model B estimates €1.7M, further from the market. Model B is usually further off (typical miss ×2.07): league and club explain much of how the market prices players.
A gap describes the model's arithmetic for this player's inputs, not what the player is worth.
- Apps
- 37
- Minutes
- 2,831
- Goals
- 1
- Assists
- 0
- Started
- 34/37
- Min / app
- 77
- Cards
- 7Y 0R
Club matches, two years to the valuation date
The Valuation Journey
What moves Model A
Asking the prediction API to explain Model A for Foyth…
SHAP describes the model's arithmetic for this player's inputs, not what causes market value. Model B can be explained only by the live service; Model A also has a published explanation for the research players.
Model A vs Model B against the observed €8M
Checking APIAsking the prediction API…
Held-out estimates come from cross-validation, with this player outside the training data: the honest comparison. Served models were refitted on every player, this one included, so they sit closer to the market. Shaded band: Model A's typical miss (×1.50 either way).
Player traitspercentiles vs 2,065 defenders
Dashed ring: the defender median (50th percentile)
Starts
Share of appearances started rather than entered from the bench.
92% this player83% defender median76th percentile
No passing, progression or defensive actions exist in the dataset, so no trait claims to measure them.
Valuation history every Transfermarkt valuation on record
- First valuation
- €5M
- Aug 2017
- Peak
- €25M
- Jun 2022
- Model target
- €8M
- Jun 2026
- Valuations
- 26
- 1 club change
Jun 2026: €8M, Villarreal CF. Dotted lines mark the €2M, €10M and €30M tier boundaries.
Show as a table
| Date | Market value | Club |
|---|---|---|
| 2017-08-30 | €5M | Tottenham Hotspur |
| 2018-01-02 | €5M | Tottenham Hotspur |
| 2018-05-28 | €5M | Tottenham Hotspur |
| 2018-12-19 | €8M | Tottenham Hotspur |
| 2019-03-05 | €12M | Tottenham Hotspur |
| 2019-06-13 | €15M | Tottenham Hotspur |
| 2019-12-10 | €15M | Tottenham Hotspur |
| 2020-04-08 | €13.5M | Tottenham Hotspur |
| 2020-10-08 | €13M | Villarreal CF |
| 2021-01-05 | €10M | Villarreal CF |
| 2021-06-10 | €12M | Villarreal CF |
| 2021-10-13 | €15M | Villarreal CF |
| 2021-12-30 | €20M | Villarreal CF |
| 2022-06-03 | €25M | Villarreal CF |
| 2022-11-07 | €25M | Villarreal CF |
| 2023-06-13 | €25M | Villarreal CF |
| 2023-12-22 | €25M | Villarreal CF |
| 2024-03-21 | €18M | Villarreal CF |
| 2024-06-07 | €15M | Villarreal CF |
| 2024-10-11 | €12M | Villarreal CF |
| 2024-12-27 | €7.5M | Villarreal CF |
| 2025-03-21 | €10M | Villarreal CF |
| 2025-06-09 | €15M | Villarreal CF |
| 2025-12-12 | €15M | Villarreal CF |
| 2026-03-16 | €10M | Villarreal CF |
| 2026-06-05 | €8M | Villarreal CF |
Audit context group-level, not about this player
- Audit group
- non-UEFA
- Population gap, Model A
- +0.093 95% CI +0.063 to +0.124
- This player, market vs held-out A
- +0.442
The group comes from first-listed citizenship and is never a model input. Across the population, non-UEFA players' market values sit about 10% above Model A's held-out estimates, relative to UEFA players in the same leagues. One player's residual says nothing about that pattern (typical miss ×1.50), and none of it is evidence of discrimination: the target may itself be biased. Open the Fairness Audit
In context observed value among comparable players in this build
All players in the Terminal →Defenders, all leagues2,065 players · median €2M
Valued above 78% of the 2,065 defenders.
See them in the Explorer →Where Foyth appears
- TerminalLaLiga in the Player Explorer
- TerminalLaLiga on the League Landscape
Watchlists and the comparison tray are kept in this browser only.
Near this valuation closest observed values: same league, then same position
- GriezmannSSAtlético de Madrid · LaLiga€8M
- LaporteCBAthletic Bilbao · LaLiga€8M
- CanceloRBFC Barcelona · LaLiga€8M
- ChristensenCBFC Barcelona · LaLiga€8M
- MaguireCBManchester United · defenders€8M
- ShawLBManchester United · defenders€8M
- ElvediCBBorussia Mönchengladbach · defenders€8M
- ZinchenkoLBAjax Amsterdam · defenders€8M
Counts and ranks of observed Transfermarkt values only; model errors are never ranked here. Full player export: Every player in the modelling population (D-011).