FairValue

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Brice

Samba

GKFrance · Stade Rennais FC

№ 191056Established €5.3M +0.28

Player dossierLigue 1

BriceSamba

GKGoalkeeperGoalkeeper

Club
Stade Rennais FC
League
Ligue 1
Nationality
France
Age
32
Height
187 cm
Foot
Left
Valued
1 Jun 2026

Reading the valuation

The market values Samba at €7M. Model A, which never saw Samba during training, estimates €5.3M: the market value is 32% above that estimate.

That is a factor of ×1.32. Model A's typical held-out miss is ×1.50 either way, so this gap is within its usual error.

Without league and club, Model B estimates €2.4M, 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.

▲ +0.28A €5.3M▲ +1.05B €2.4M
Pitch length is a log value scale fitted to this player's figures. ● observed · ◇ Model A · dashed ◇ Model B · each arc is a residual, log(observed) − log(estimate).
Apps
66
Minutes
5,940
Started
66/66
Min / app
90
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 Samba…

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 €7M

Checking API
EmergingEstablishedEliteWorld Class€2M€10M€30M€100k€1M€100MMarket €7MModel A €5.3M

Asking 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 485 goalkeepers

Brice Samba's percentiles among goalkeepers: Minutes, two years 85th, Starts 62nd, Minutes, last 365 days 75th, European club minutes 66th85thMinutes62ndStarts75thRecent66thEurope

Dashed ring: the goalkeeper median (50th percentile)

Minutes, two years

Total club minutes in the two-year window: how much the player was used.

5,940 this player2,790 goalkeeper median85th percentile

450peer deciles · median line · this player ●9,210

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
€50k
Aug 2011
Peak
€15M
Oct 2023
Model target
€7M
Jun 2026
Valuations
40
7 club changes
Jun 2026€7MStade Rennais FCValuation the model is trained to reproduce

Jun 2026: €7M, Stade Rennais FC. Dotted lines mark the €2M, €10M and €30M tier boundaries.

Show as a table
DateMarket valueClub
2011-08-08€50kLe Havre AC
2011-12-25€50kLe Havre AC
2012-06-01€150kLe Havre AC
2013-01-07€400kOlympique Marseille
2013-02-23€600kOlympique Marseille
2013-05-30€600kOlympique Marseille
2014-01-14€600kOlympique Marseille
2014-08-07€750kOlympique Marseille
2015-01-14€800kOlympique Marseille
2015-06-06€600kOlympique Marseille
2016-02-04€500kAS Nancy-Lorraine
2016-07-13€400kOlympique Marseille
2017-01-16€400kOlympique Marseille
2017-06-01€400kOlympique Marseille
2018-01-24€400kSM Caen
2018-06-04€800kSM Caen
2018-09-06€1.3MSM Caen
2018-10-24€2MSM Caen
2018-12-17€2MSM Caen
2019-03-07€2.5MSM Caen
2019-06-03€4MSM Caen
2020-02-27€4MNottingham Forest
2020-04-08€3.2MNottingham Forest
2020-10-15€2.5MNottingham Forest
2021-03-10€2.5MNottingham Forest
2021-06-30€2.5MNottingham Forest
2021-11-24€2.5MNottingham Forest
2022-05-13€2.5MNottingham Forest
2022-09-19€6MRC Lens
2022-11-02€8MRC Lens
2023-03-27€10MRC Lens
2023-06-27€13MRC Lens
2023-10-16€15MRC Lens
2023-12-18€15MRC Lens
2024-06-03€15MRC Lens
2024-12-10€15MRC Lens
2025-06-03€12MStade Rennais FC
2025-12-15€10MStade Rennais FC
2026-03-27€8MStade Rennais FC
2026-06-01€7MStade Rennais FC

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
+0.277

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 →

Ligue 1423 players · median €5M

Valued above 54% of the 423 Ligue 1 players.

€100k€750k€5M€30M€7MSee them in the Explorer →

Goalkeepers, all leagues485 players · median €1M

Valued above 84% of the 485 goalkeepers.

€20k€200k€2M€20M€7MSee them in the Explorer →

Where Samba appears

Watchlists and the comparison tray are kept in this browser only.

Near this valuation closest observed values: same league, then same position

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).