Ronald Koeman Jr.

31 yrs · Goalkeeper · Netherlands
SC Telstar · Eredivisie · Foot: right · Height: 188 cm
Risk: ModerateConfidence: MediumSample: HighDevelopment: LowContract: until 30 Jun 2028
Market value
€700k
Updated 6 days ago
Estimated acquisition
€179k – €738k
Estimated · 20–80% range
Model value
€369k – €791k
Performance-implied · estimated
Projected (24m)
€297k – €612k
Resale range · estimated
Potential value gap
-€369k – €613k
Model value − acquisition

Value picture

Where the market, the likely price and the model estimates sit.

Estimated acquisition€179k – €738k
Model value (performance-implied)€369k – €791k
Projected value (24 months)€297k – €612k
Dashed line: current market value (€700k). Bars are 20–80% model ranges; tick = median.

The model rates Ronald Koeman Jr.'s performance-implied value at EUR 0.4M-0.8M, above the estimated acquisition range of EUR 0.2M-0.7M. Its 24-month market value projection is EUR 0.3M-0.6M. Confidence is medium: no event-level data (xG, progressive actions) is available from the current free source, and injury history is unavailable.

Bargain Index: 68

What drives the score. Not a black box: each component and its level.

PerformanceBelow average13.7th pct among GK peers (age-neutral)
AgeUnfavorable31.1 years
Acquisition costVery favorableest. €372k vs market €700k
Expected appreciationVery low-37% over ~2 years (model)
Value gapSmallweak predictor on its own
DevelopmentLow
League translationUncertainleague coefficient 0.43
Tactical fitNot evaluatedRequires event/role data not available from the current free source.
RiskModerate
Data confidenceMedium

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.

Highest recorded: €700k

Profile vs positional peers

Percentiles among 284 evaluated GK players with 900+ minutes.

Performance (last season, league)

Minutes
2959 (97% of available)
Goals + assists / 90
0.03
Context-adjusted G+A / 90
0.02
xG, xA, progression
Data unavailable
Defensive actions
Data unavailable
Performance percentile
14 (Below average)

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
0.43 (rank 15)
Team strength (Elo)
1216
Opponent strength
1316
Possession, role
Data unavailable

League strength 1.00 = average club of the big-five leagues. Elo includes continental matches.

Potential

Development
Low
Trajectory
insufficient
Breakout probability
Age > 23
Resale range (24m)
€297k – €612k

Historical comparables (8): median 2-year value change -21% (IQR -33% to -12%).

Risk profile

Overall: Moderate

  • ⚠League level coefficient 0.43 (1.00 = big-five average): output may not translate.
  • ⚠No continental-competition minutes last season.
  • ⚠Age 31: resale value typically declines.
  • ⓘ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).

Historical movers
217 (all positions)
Relative output kept
70%–152%
Held a regular role (900+ min)
69%
Confidence
Medium

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.

SeasonClubLeaguePosAppsMinMin shareGAG+A/90Adj. G+A/90Opp. EloTeam EloLeague str.
2025/26SC TelstarEredivisieGK33295997%100.030.02131612150.43

Cups & continental competitions

SeasonCompetitionClubAppsMinGAAvg opp. Elo
2025/26Knvb BekerSC Telstar436000—

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)AgeValue then~2y laterOutcome
Zivko Zivkovic
Super League 1 · 2019
30€700k€1.0Mrose
Nicolai Larsen
Superliga · 2022
31€500k€400kfell
Michael McGovern
Scottish Premiership · 2016
32€500k€500kflat
Ögmundur Kristinsson
Super League 1 · 2020
31€475k€400kflat
Dimitrios Kyriakidis
Super League 1 · 2018
32€750k€250kfell
Craig Samson
Scottish Premiership · 2014
30€450k€350kfell
Alexei Koselev
Super League 1 · 2024
31€450k€250kfell
Lawrence Thomas
Superliga · 2021
29€700k€500kfell

Transfer history

Fees as reported by the source; undisclosed fees shown as unknown, never estimated.

DateFromToFeeMV at time
1 Jul 2021TOP OssTelstarFree / loan€100k
1 Jul 2015Almere CityFC OssFree / loan€25k
1 Jul 2014Almere City U19Almere CityUnknown€25k

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.

Ronald Koeman Jr. · MoneyballAI