Johnny
Cardoso
CMUnited States · Atlético de Madrid
Image: FootyLogos
Player dossierLaLiga
JohnnyCardoso
CMCentral MidfieldMidfield
- Club
- Atlético de Madrid
- League
- LaLiga
- Nationality
- United States
- Age
- 24
- Height
- 186 cm
- Foot
- Right
- Valued
- 5 Jun 2026
LaLigaReading the valuation
The market values Cardoso at €20M. Model A, which never saw Cardoso during training, estimates €9.3M: the market value is 116% above that estimate.
That is a factor of ×2.16. 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 €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
- 63
- Minutes
- 4,221
- Goals
- 4
- Assists
- 1
- Started
- 48/63
- Min / app
- 67
- Cards
- 9Y 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 Cardoso…
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 €20M
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 1,687 midfielders
Dashed ring: the midfielder median (50th percentile)
European club minutes
Share of minutes played in UEFA club competitions.
16% this player0% midfielder median78th 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
- €750k
- Feb 2020
- Peak
- €25M
- Jun 2024
- Model target
- €20M
- Jun 2026
- Valuations
- 19
- 2 club changes
Jun 2026: €20M, Atlético de Madrid. Dotted lines mark the €2M, €10M and €30M tier boundaries.
Show as a table
| Date | Market value | Club |
|---|---|---|
| 2020-02-20 | €750k | Sport Club Internacional |
| 2020-04-08 | €675k | Sport Club Internacional |
| 2020-09-09 | €900k | Sport Club Internacional |
| 2021-02-09 | €900k | Sport Club Internacional |
| 2021-05-28 | €900k | Sport Club Internacional |
| 2021-12-17 | €1.8M | Sport Club Internacional |
| 2022-04-06 | €1.8M | Sport Club Internacional |
| 2022-08-19 | €1.8M | Sport Club Internacional |
| 2022-11-14 | €2.5M | Sport Club Internacional |
| 2023-04-07 | €3.5M | Sport Club Internacional |
| 2023-07-25 | €5M | Sport Club Internacional |
| 2023-12-11 | €6M | Sport Club Internacional |
| 2024-03-21 | €10M | Real Betis Balompié |
| 2024-06-07 | €25M | Real Betis Balompié |
| 2024-10-11 | €20M | Real Betis Balompié |
| 2024-12-27 | €20M | Real Betis Balompié |
| 2025-06-09 | €25M | Real Betis Balompié |
| 2025-12-12 | €22M | Atlético de Madrid |
| 2026-06-05 | €20M | Atlético de Madrid |
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
- +0.769
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 →Midfielders, all leagues1,687 players · median €2M
Valued above 88% of the 1,687 midfielders.
See them in the Explorer →Where Cardoso 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
- LlorenteRBAtlético de Madrid · LaLiga€20M
- NormandCBAtlético de Madrid · LaLiga€20M
- MilitãoCBReal Madrid · LaLiga€20M
- KuboRWReal Sociedad · LaLiga€20M
- GarcíaCMBayer 04 Leverkusen · midfielders€20M
- MaddisonAMTottenham Hotspur · midfielders€20M
- SchoutenDMPSV Eindhoven · midfielders€20M
- BentancurDMTottenham Hotspur · midfielders€20M
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).