Teun Koopmeiners

28 yrs · Defensive midfielder (also AM, CB) · Netherlands
Juventus FC · Serie A · Foot: left · Height: 185 cm
Risk: LowConfidence: MediumSample: HighDevelopment: LowContract: until 30 Jun 2029
Market value
€14.0M
Updated 6 days ago
Estimated acquisition
€8.4M – €17.1M
Estimated · 20–80% range
Model value
€8.9M – €39.1M
Performance-implied · estimated
Projected (24m)
€4.2M – €10.7M
Resale range · estimated
Potential value gap
-€8.2M – €30.7M
Model value − acquisition

Value picture

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

Estimated acquisition€8.4M – €17.1M
Model value (performance-implied)€8.9M – €39.1M
Projected value (24 months)€4.2M – €10.7M
Dashed line: current market value (€14.0M). Bars are 20–80% model ranges; tick = median.

The model rates Teun Koopmeiners's performance-implied value at EUR 8.9M-39.1M, above the estimated acquisition range of EUR 8.4M-17.1M. Its 24-month market value projection is EUR 4.2M-10.7M. Context-adjusted goal contributions are 0.30x the positional average in the league (1819 minutes, league coefficient 0.93). Confidence is medium: no event-level data (xG, progressive actions) is available from the current free source, and injury history is unavailable.

Bargain Index: 5

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

PerformanceHigh89.1th pct among MID peers (age-neutral)
AgeUnfavorable28.3 years
Acquisition costFavorableest. €11.7M vs market €14.0M
Expected appreciationVery low-51% over ~2 years (model)
Value gapLargeweak predictor on its own
DevelopmentLow
League translationBig-five leagueleague coefficient 0.93
Tactical fitNot evaluatedRequires event/role data not available from the current free source.
RiskLow
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: €55.0M

Profile vs positional peers

Percentiles among 1163 evaluated MID players with 900+ minutes.

Performance (last season, league)

Minutes
1819 (53% of available)
Goals + assists / 90
0.00
Context-adjusted G+A / 90
0.04
xG, xA, progression
Data unavailable
Defensive actions
Data unavailable
Performance percentile
89 (High)

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
0.93 (rank 4)
Team strength (Elo)
1614
Opponent strength
1499
Possession, role
Data unavailable

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

Potential

Development
Low
Trajectory
declining
Breakout probability
Age > 23
Resale range (24m)
€4.2M – €10.7M

Trajectory drivers: role change AM -> DM; relative output down 55% vs positional peers.

Historical comparables (8): median 2-year value change -44% (IQR -57% to -40%).

Risk profile

Overall: Low

  • ⚠Declining trajectory versus previous season.
  • ⓘ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).

Already playing in a big-five league.

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.
2025/26Juventus FCSerie ADM33181953%000.000.04149916140.93
2024/25Juventus FCSerie AAM28199658%330.270.26150916290.99
2023/24Atalanta BCSerie AAM34263377%1250.580.42148617090.98
2022/23Atalanta BCSerie ADM33286184%1040.440.32146615560.94
2021/22Atalanta BCSerie ADM30212862%410.210.12145015660.89
2021/22AZ AlkmaarEredivisieDM21204%000.000.05125814960.60
2020/21AZ AlkmaarEredivisieDM31270588%1550.670.28136215570.56
2019/20AZ AlkmaarEredivisieDM25221799%1120.530.28135215420.62
2018/19AZ AlkmaarEredivisieCB32288094%810.280.15135414590.61
2017/18AZ AlkmaarEredivisieDM26219172%140.210.14131814890.59

Cups & continental competitions

SeasonCompetitionClubAppsMinGAAvg opp. Elo
2025/26Uefa Champions LeagueJuventus FC10744211577
2025/26Italy CupJuventus FC210600—
2025/26World CupNetherlands36900—
2024/25Uefa Champions LeagueJuventus FC9654001652
2024/25Italy CupJuventus FC211210—
2024/25Supercoppa ItalianaJuventus FC190001641
2023/24Uefa Europa LeagueAtalanta BC12919021625
2023/24Italy CupAtalanta BC537230—
2022/23Italy CupAtalanta BC218000—
2021/22Uefa Europa LeagueAtalanta BC6439021638
2021/22Uefa Champions LeagueAtalanta BC5210011689
2021/22Uefa Europa League QualifyingAZ Alkmaar2180001540
2021/22Italy CupAtalanta BC214300—
2020/21Uefa Europa LeagueAZ Alkmaar5450121574
2020/21Uefa Champions League QualifyingAZ Alkmaar2210101522
2020/21Knvb BekerAZ Alkmaar19000—
2019/20Uefa Europa LeagueAZ Alkmaar8720311552
2019/20Uefa Europa League QualifyingAZ Alkmaar6570101360
2019/20Knvb BekerAZ Alkmaar327010—
2018/19Knvb BekerAZ Alkmaar439000—
2018/19Uefa Europa League QualifyingAZ Alkmaar190101436
2017/18Knvb BekerAZ Alkmaar539202—

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
Adrien Rabiot
Serie A · 2022
27€17.0M€35.0Mrose
Lucas Leiva
Premier League · 2015
28€12.0M€7.0Mfell
Jérémy Toulalan
Laliga · 2013
30€15.0M€5.0Mfell
Diego Demme
Bundesliga · 2020
29€13.5M€8.0Mfell
Jérémy Clément
Ligue 1 · 2013
29€5.5M€3.5Mfell
Hans Hateboer
Serie A · 2022
28€13.0M€3.5Mfell
Sven Bender
Bundesliga · 2015
26€13.0M€7.0Mfell
Youssouf Ndayishimiye
Ligue 1 · 2024
26€15.0M€7.0Mfell

Transfer history

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

DateFromToFeeMV at time
28 Aug 2024AtalantaJuventus€58.4M€50.0M
30 Aug 2021AZ AlkmaarAtalanta€17.9M€16.5M
1 Jul 2017AZ Alkmaar U21AZ AlkmaarUnknown€350k
1 Jul 2016AZ U19AZ Alkmaar U21UnknownData unavailable
1 Jul 2015AZ U17AZ U19UnknownData unavailable
1 Jul 2013AZ Alkmaar Yth.AZ U17UnknownData unavailable

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.