Ricardo
Mangas
LBPortugal · Sporting CP
Player dossierLiga Portugal
RicardoMangas
LBLeft-BackDefender
- Club
- Sporting CP
- League
- Liga Portugal
- Nationality
- Portugal
- Age
- 28
- Height
- 179 cm
- Foot
- Left
- Valued
- 28 May 2026
Reading the valuation
The market values Mangas at €2M. Model A, which never saw Mangas during training, estimates €7M: the market value is 72% below that estimate.
That is a factor of ×3.51. 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 €4.3M, closer to the market here, although it is usually further off (typical miss ×2.07).
A gap describes the model's arithmetic for this player's inputs, not what the player is worth.
- Apps
- 47
- Minutes
- 2,587
- Goals
- 9
- Assists
- 3
- Started
- 29/47
- Min / app
- 55
- 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 Mangas…
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 €2M
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)
Goals per 90
Club goals per 90 minutes played in the two years to the valuation date.
0.31 this player0.03 defender median100th 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
- €500k
- Feb 2020
- Peak
- €4M
- Jun 2024
- Model target
- €2M
- May 2026
- Valuations
- 17
- 6 club changes
May 2026: €2M, Sporting CP. Dotted lines mark the €2M, €10M and €30M tier boundaries.
Show as a table
| Date | Market value | Club |
|---|---|---|
| 2020-02-11 | €500k | Desportivo Aves (- 2020) |
| 2020-04-08 | €450k | Desportivo Aves (- 2020) |
| 2020-08-17 | €800k | Boavista FC |
| 2021-01-28 | €800k | Boavista FC |
| 2021-05-21 | €1M | Boavista FC |
| 2021-10-08 | €1.5M | FC Girondins Bordeaux |
| 2021-12-16 | €1.8M | FC Girondins Bordeaux |
| 2022-05-30 | €1.5M | FC Girondins Bordeaux |
| 2022-11-01 | €1M | Boavista FC |
| 2023-06-16 | €1.5M | Boavista FC |
| 2023-12-27 | €2M | Vitória Guimarães SC |
| 2024-03-08 | €3M | Vitória Guimarães SC |
| 2024-06-06 | €4M | Vitória Guimarães SC |
| 2024-12-12 | €3M | Spartak Moscow |
| 2025-06-04 | €2.5M | Spartak Moscow |
| 2025-12-18 | €2.5M | Sporting CP |
| 2026-05-28 | €2M | Sporting CP |
Audit context group-level, not about this player
- Audit group
- UEFA
- Population gap, Model A
- +0.093 95% CI +0.063 to +0.124
- This player, market vs held-out A
- −1.256
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 →Liga Portugal423 players · median €1M
Valued above 61% of the 423 Liga Portugal players.
See them in the Explorer →Defenders, all leagues2,065 players · median €2M
Valued above 49% of the 2,065 defenders.
See them in the Explorer →Where Mangas appears
Watchlists and the comparison tray are kept in this browser only.
Near this valuation closest observed values: same league, then same position
- AmaralLBGD Estoril Praia · Liga Portugal€2M
- DiasRWFC Famalicão · Liga Portugal€2M
- RichardsLBRio Ave FC · Liga Portugal€2M
- MarquesCBCD Tondela · Liga Portugal€2M
- HummelsCBAS Roma · defenders€2M
- GünterLBSC Freiburg · defenders€2M
- KohrCB1.FSV Mainz 05 · defenders€2M
- KayembeLBKRC Genk · defenders€2M
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).