Best U23 Young Attacking Midfielders in the Jupiler Pro League
19 players aged 23 or under · ranked by Analytical Strength Index
Best Young Attacking Midfielders in the Jupiler Pro League (Oct 2026)
19 players tracked across 13 clubs. Updated October 2026.
Ranked by Analytical Strength Index
Use the search bar below to find specific players, or apply filters to narrow results by club, age range, or market value. Click the chart icon next to any player to view their historical value trajectory and forecast.
Player Rankings
Ranked by Analytical Strength Index. Click any player to view full profile, or click the chart icon to see value history.
Konstantinos Karetsas
KRC Genk • 18 years old
€30.3M
€35.0M
+15.6%
Expected: €36.9M
81.7
Félix Lemaréchal
Club Brugge KV • 23 years old
€5.2M
€6.0M
+15.6%
Expected: €5.8M
54.7
Alfie Devine
KVC Westerlo • 22 years old
€3.9M
€4.5M
+15.6%
Expected: €4.6M
50.7
Mario Stroeykens
RSC Anderlecht • 22 years old
€3.9M
€4.5M
+15.6%
Expected: €4.6M
50.7
Isa Sakamoto
KVC Westerlo • 23 years old
€3.5M
€4.0M
+15.6%
Expected: €3.9M
49.7
Mathis Servais
KV Mechelen • 21 years old
€3.5M
€4.0M
+15.6%
48.8
Cisse Sandra
Club Brugge KV • 22 years old
€1.7M
€2.0M
+15.6%
37.0
Farouck Adekami
Royal Antwerp FC • 20 years old
€1.6M
€1.8M
+15.6%
34.8
Isaac Babadi
Royal Antwerp FC • 21 years old
€1.3M
€1.5M
+15.6%
33.0
Karol Borys
KVC Westerlo • 20 years old
€1.1M
€1.3M
+15.6%
30.8
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Sign up freeKonstantinos Karetsas
KRC Genk · 18 years old
81.7
ASI
Current Value
€35.0M
% Change
+15.6%
1yr Forecast Range
€31.4M - €42.5M
Félix Lemaréchal
Club Brugge KV · 23 years old
54.7
ASI
Current Value
€6.0M
% Change
+15.6%
1yr Forecast Range
€5.1M - €6.6M
Alfie Devine
KVC Westerlo · 22 years old
50.7
ASI
Current Value
€4.5M
% Change
+15.6%
1yr Forecast Range
€4.0M - €5.2M
Mario Stroeykens
RSC Anderlecht · 22 years old
50.7
ASI
Current Value
€4.5M
% Change
+15.6%
1yr Forecast Range
€4.0M - €5.2M
Isa Sakamoto
KVC Westerlo · 23 years old
49.7
ASI
Current Value
€4.0M
% Change
+15.6%
1yr Forecast Range
€3.4M - €4.4M
Mathis Servais
KV Mechelen · 21 years old
48.8
ASI
Current Value
€4.0M
% Change
+15.6%
1yr Forecast Range
Cisse Sandra
Club Brugge KV · 22 years old
37.0
ASI
Current Value
€2.0M
% Change
+15.6%
1yr Forecast Range
Farouck Adekami
Royal Antwerp FC · 20 years old
34.8
ASI
Current Value
€1.8M
% Change
+15.6%
1yr Forecast Range
Isaac Babadi
Royal Antwerp FC · 21 years old
33.0
ASI
Current Value
€1.5M
% Change
+15.6%
1yr Forecast Range
Karol Borys
KVC Westerlo · 20 years old
30.8
ASI
Current Value
€1.3M
% Change
+15.6%
1yr Forecast Range
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Sign up freeMarket Overview: Jupiler Pro League Young Attacking Midfielders (updated October 2026)
Our database tracks 19 Jupiler Pro League Young Attacking Midfielders as of October 2026, representing 13 clubs with a combined market value of €70.4M. The average market value for Jupiler Pro League Young Attacking Midfielders is €3.7M, with the average age at 22 years old.
The most valuable young attacking midfielder in the Jupiler Pro League is Konstantinos Karetsas, worth €35.0M and playing for KRC Genk at 18 years old. The top 5 Young Attacking Midfielders average €10.8M in market value, including Félix Lemaréchal and Alfie Devine.
Age distribution shows the youngest tracked young attacking midfielder is Konstantinos Karetsas (18 years, KRC Genk, €35.0M), while the oldest is Félix Lemaréchal (23 years, Club Brugge KV, €6.0M). Research shows Young Attacking Midfielders typically peak at age 27.
Our 1-year forecast model projects 14 Young Attacking Midfielders (74%) will increase in market value over the next 12 months based on age-curve trajectories, current performance trends, and playing time analysis. The Jupiler Pro League market for Young Attacking Midfielders remains actively developing with emerging talent as of October 2026.
Explore Market Size by Position in Jupiler Pro League
Interactive bubble chart showing predicted 2-year growth vs current age for all Jupiler Pro League Young Attacking Midfielders. Identify undervalued assets and track market momentum across 13 clubs with €70.4M combined value.
Age Distribution: Jupiler Pro League Young Attacking Midfielders
The Jupiler Pro League CAM market shows 2 distinct age segments, with the largest cohort in the 21-23 bracket (16 players, 84% of market). The U21 age group holds the most value at €38.1M, averaging €12.7M per player.
Top Young Attacking Midfielders by Age Bracket
U21 Years (3 players)
21-23 Years (16 players)
Market Value Distribution
Elite Tier Concentration
The top 2 Young Attacking Midfielders (11% of players) control €41.0M
Market Tiers
Market structure shows distributed value with premium (€30-50m) tier representing 5% of the Jupiler Pro League CAM pool.
Premium (€30-50M)
Mid (€5-15M)
Emerging (<€5M)
Club Distribution: Jupiler Pro League Young Attacking Midfielders
Among 13 Jupiler Pro League clubs, KRC Genk leads with 1 Young Attacking Midfielders worth €35.0M (averaging €35.0M per player). The top 10 clubs account for 84% of tracked Young Attacking Midfielders.
KRC Genk (1 Young Attacking Midfielders)
KVC Westerlo (3 Young Attacking Midfielders)
Club Brugge KV (2 Young Attacking Midfielders)
KV Mechelen (3 Young Attacking Midfielders)
Scout Tools
Advanced analytics for scouting and recruitment decisions. Each tool provides unique insights into player value, potential, and market dynamics.
Pre-Peak Value Efficiency (PPVE)
Identifies pre-peak players offering exceptional value relative to their age bracket. Higher PPVE = better value.
Understanding Pre-Peak Value Efficiency (PPVE)
KRC Genk's Konstantinos Karetsas at 18 years old has the highest Pre-Peak Value Efficiency at 19.44×. That means Konstantinos Karetsas is valued 19.44× higher than the median player in the U21 age bracket-representing exceptional value before reaching peak age.
In second is Club Brugge KV's Félix Lemaréchal, who is 23 years old, with a 5.00× PPVE. Third is Mario Stroeykens of RSC Anderlecht, who is 22 years old with a 3.75× PPVE.
How PPVE is calculated: PPVE compares a player's current market value to the median value of all players in their age bracket. A PPVE of 19.44× means the player is worth 1844% more than typical players their age-making them high-value targets before they reach peak value.
PPVE by Age Bracket
| Rank | Player | Age | Bracket | Current Value | Bracket Median | PPVE |
|---|---|---|---|---|---|---|
| #1 | Konstantinos Karetsas KRC Genk | 18 | U21 | €35.0M | €1.8M | 19.44x |
| #2 | Félix Lemaréchal Club Brugge KV | 23 | 21-23 | €6.0M | €1.2M | 5.00x |
| #3 | Mario Stroeykens RSC Anderlecht | 22 | 21-23 | €4.5M | €1.2M | 3.75x |
| #4 | Alfie Devine KVC Westerlo | 22 | 21-23 | €4.5M | €1.2M | 3.75x |
| #5 | Mathis Servais KV Mechelen | 21 | 21-23 | €4.0M | €1.2M | 3.33x |
| #6 | Isa Sakamoto KVC Westerlo | 23 | 21-23 | €4.0M | €1.2M | 3.33x |
| #7 | Cisse Sandra Club Brugge KV | 22 | 21-23 | €2.0M | €1.2M | 1.67x |
| #8 | Isaac Babadi Royal Antwerp FC | 21 | 21-23 | €1.5M | €1.2M | 1.25x |
| #9 | Farouck Adekami Royal Antwerp FC | 20 | U21 | €1.8M | €1.8M | 1.00x |
| #10 | Jakob Napoleon Romsaas Royal Charleroi Sporting Club | 22 | 21-23 | €1.2M | €1.2M | 1.00x |
| #11 | Bilal Bafdili KV Mechelen | 22 | 21-23 | €1.0M | €1.2M | 0.83x |
| #12 | Aimé Omgba KAA Gent | 23 | 21-23 | €1.0M | €1.2M | 0.83x |
| #13 | Karol Borys KVC Westerlo | 20 | U21 | €1.3M | €1.8M | 0.72x |
| #14 | Oluwaseun Adewumi Cercle Brugge | 21 | 21-23 | €800K | €1.2M | 0.67x |
| #15 | Maksim Kireev KV Mechelen | 22 | 21-23 | €700K | €1.2M | 0.58x |
| #16 | Ilyes Ziani Standard Liège | 23 | 21-23 | €350K | €1.2M | 0.29x |
| #17 | Mohamed Boukammiri Union Saint-Gilloise | 22 | 21-23 | €300K | €1.2M | 0.25x |
| #18 | Nathan Bitumazala KAS Eupen | 23 | 21-23 | €300K | €1.2M | 0.25x |
| #19 | Adam Nhaili Sint-Truidense VV | 21 | 21-23 | €150K | €1.2M | 0.13x |
Return-to-Peak Potential (RPP)
Recovery potential from current value to forecasted peak. Shows how much upside remains for players approaching their prime.
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Upgrade to FanRisk-Adjusted Upside (RAU)
Upside potential weighted against forecast uncertainty. Higher RAU = better risk-reward profile.
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Upgrade to FanRoster Pressure Index (RPI)
Squad depth pressure based on Z-score distribution. Negative RPI = thin depth, positive = deep roster.
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Upgrade to FanAge-Share Concentration (ASC)
Identifies players capturing disproportionate value relative to age group representation. Positive ASC = value concentration.
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Categorizes players by age position and upside potential to guide timing of acquisition.
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Upgrade to FanPrice vs Peer Z-Score
IQR-based pricing analysis relative to position peers. Identifies over/undervalued players vs market.
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How We Rank Jupiler Pro League Young Attacking Midfielders
Our Analytical Strength Index is calibrated specifically for young attacking midfielders, using position-specific age curves and playing time benchmarks. The model draws from academic research on player valuation (Franck & Nüesch, 2012) and age-performance curves (Dendir, 2016).
Scoring Components for CAM
Historical Achievement Index (35%)
Peak career market value for Jupiler Pro League young attacking midfielders, reflecting proven track record and reputation. Uses log-scale to account for exponential value distribution at elite level.
Current Performance Proxy (30%)
Present market value for Jupiler Pro League young attacking midfielders, capturing recent form, injuries, and current performance level. Weighted to reflect age-related depreciation patterns.
Playing Time Utilization (18%)
Midfielders with 2,400+ minutes score highest, indicating regular starting role and sustained performance.
Age-Adjusted Performance Curve (12%)
Midfielders peak at 27 with 6.0%/year decline. Pre-peak players score higher on development trajectory.
Competition Level Adjustment (3%)
Jupiler Pro League competition level factored into comparative strength assessment.
Performance Expectations Multiplier (2%)
Players at clubs with Champions League pedigree face higher performance standards and tactical complexity, contributing to development and market validation.
CAM Performance Benchmarks
Peak Age: 27 years (technical skill and tactical awareness)
Decline Rate: Widening steps, not a flat rate: about -5% at 28, -10% at 29, steeper from 30 (technical skills age better than physical attributes)
Optimal Minutes: 2,400-2,500 per season (balance of involvement and recovery)
1-Year Market Value Forecast
Probabilistic model combining age-curve depreciation, value momentum, and playing time factors:
• Age Factor: Compounding and banded around a peak of 27: +25%/year through age 21, +15% at 22-23, +10% up to the year before peak, then -5%, -10% and steeper with each later band. Growth is damped above €30M.
• Value Trajectory: Near career peak (>95% of peak value): +3% momentum | Moderate decline: -5%
• Playing Time Factor: Regular starters (+2%), Squad rotation (-2%)
• Forecast Range: ±12-15% confidence interval
Research Foundation
• Dendir (2016): Age-performance curves for young attacking midfielders
• Carmichael et al. (2011): Player depreciation in top leagues
• Franck & Nüesch (2012): Hedonic pricing models for talent valuation
• Szymanski, S. (2015). Money and Soccer: A Soccernomics Guide
Frequently Asked Questions
Common questions about Jupiler Pro League Young Attacking Midfielders, updated October 2026
Who are the most valuable Young Attacking Midfielders in the Jupiler Pro League right now?
The most valuable young attacking midfielder in the Jupiler Pro League today is Konstantinos Karetsas, who is worth €35.0M and plays for KRC Genk. The second most valuable is Félix Lemaréchal (€6.0M, Club Brugge KV), followed by Alfie Devine (€4.5M, KVC Westerlo). Our database tracks 19 Jupiler Pro League Young Attacking Midfielders with comprehensive market valuations updated in October 2026.
How are Jupiler Pro League Young Attacking Midfielders ranked?
Jupiler Pro League Young Attacking Midfielders are ranked by our proprietary Analytical Strength Index, which is specifically calibrated for Young Attacking Midfielders. The score combines six factors: Historical Achievement Index (35%) measuring peak career value, Current Performance Proxy (30%) reflecting recent market signals, Playing Time Utilization (18%) tracking minutes played, Age-Adjusted Performance Curve (12%) using position-specific peak ages, League Quality Coefficient (3%) for Jupiler Pro League competition level, and Club Tier Multiplier (2%) accounting for club prestige. This methodology is grounded in academic research including work by Dendir (2016) on age-performance curves and Franck & Nüesch (2012) on hedonic pricing models.
What age do Young Attacking Midfielders peak?
Attacking midfielders typically peak at age 27, in line with other midfielders. In our valuation model, value then falls in widening steps rather than at a flat annual rate: around -5% at 28, -10% at 29, and steeper from 30. This position demands high technical ability, creativity, and burst acceleration. The optimal playing time is around 2,400 minutes per season.
How much does it cost to sign a top young attacking midfielder from the Jupiler Pro League?
Transfer fees for Jupiler Pro League Young Attacking Midfielders vary significantly based on market value, contract length, and club bargaining position. For the top-ranked young attacking midfielder Konstantinos Karetsas (market value: €35.0M), estimated transfer fees would range from €28.0M to €49.0M depending on contract situation. Players with longer contracts (3+ years) command premium fees (1.2-1.4× market value), while those in the final year may be available for 0.8-1.1× market value. Our fee estimates are derived from historical transfer patterns and contract-clock modifiers validated against actual Jupiler Pro League transactions.
What is the value forecast for Jupiler Pro League Young Attacking Midfielders?
Our 1-year forecast model projects market value changes for Jupiler Pro League Young Attacking Midfielders based on age-curve depreciation, historical trajectory, and playing time adjustments. The forecast combines three factors: age-based appreciation/depreciation (pre-peak players compound gains toward their position's peak age, up to +25% a year through age 21 and easing as they approach it, while post-peak players fall in widening steps), market trajectory momentum (comparing current to peak value), and playing time confidence (regular starters receive +2% boost). Forecast confidence intervals account for position-specific volatility-midfielders have ±12-15% volatility. Young players (under 22) and older players (over 32) receive 1.15× uncertainty multipliers due to unpredictable development or decline patterns.
Where does the Jupiler Pro League young attacking midfielder data come from?
Our Jupiler Pro League young attacking midfielder data is sourced from Football Analytics AI's proprietary Transfer Intelligence Database, which aggregates market valuations, player statistics, contract information, and transfer histories from multiple industry sources. Market values are updated regularly based on player performance, injuries, contract negotiations, and transfer market activity. We enhance this data with our proprietary analytics including position-specific scoring algorithms, age-performance curves calibrated to academic research, and statistical forecast models. All data is validated against official Jupiler Pro League sources and updated monthly (last update October 2026) to ensure accuracy for recruitment and investment decisions.