Best U23 Young Goalkeepers in the Liga Portugal
14 players aged 23 or under · ranked by Analytical Strength Index
Best Young Goalkeepers in the Liga Portugal (Jul 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.
André Gomes
FC Alverca • 21 years old
€2.2M
€2.5M
+15.6%
Expected: €3.1M
40.0
Gonçalo Ribeiro
FC Porto • 20 years old
€1.3M
€1.5M
+15.6%
Expected: €1.9M
33.2
Diego Callai
Sporting CP • 22 years old
€1.0M
€1.2M
+15.6%
Expected: €1.4M
30.7
Diogo Fernandes
FC Porto • 21 years old
€692K
€800K
+15.6%
Expected: €988K
25.3
Diogo Ferreira
SL Benfica • 19 years old
€692K
€800K
+15.6%
Expected: €1.1M
24.9
Diogo Pinto
CF Estrela Amadora • 22 years old
€432K
€500K
+15.6%
Expected: €595K
19.4
Martin Turk
GD Estoril Praia • 22 years old
€346K
€400K
+15.6%
Expected: €476K
16.5
Neneca
CD Santa Clara • 22 years old
€346K
€400K
+15.6%
Expected: €476K
16.5
Jakub Vinarčík
FC Arouca • 21 years old
€259K
€300K
+15.6%
Expected: €370K
12.6
Francisco Silva
Sporting CP • 20 years old
€259K
€300K
+15.6%
Expected: €384K
12.4
Jota
Vitória Guimarães SC • 23 years old
€173K
€200K
+15.6%
Expected: €229K
7.7
Diogo Dias
GD Estoril Praia • 23 years old
€173K
€200K
+15.6%
Expected: €229K
7.7
Antzelo Sina
Rio Ave FC • 22 years old
€173K
€200K
+15.6%
Expected: €238K
7.5
Rafa
Vitória Guimarães SC • 22 years old
€173K
€200K
+15.6%
Expected: €238K
7.5
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Explore Market Size by Position in Liga Portugal
Interactive bubble chart showing predicted 2-year growth vs current age for all Liga Portugal Young Goalkeepers. Identify undervalued assets and track market momentum across 10 clubs with €9.5M combined value.
Age Distribution: Liga Portugal Young Goalkeepers
The Liga Portugal GK market shows 2 distinct age segments, with the largest cohort in the 21-23 bracket (11 players, 79% of market). The 21-23 age group holds the most value at €6.9M, averaging €627K per player.
Top Young Goalkeepers by Age Bracket
U21 Years (3 players)
21-23 Years (11 players)
Market Value Distribution
Elite Tier Concentration
The top 2 Young Goalkeepers (14% of players) control €4.0M
Market Tiers
Market structure shows concentrated value with emerging (<€5m) tier representing 100% of the Liga Portugal GK pool.
Emerging (<€5M)
Club Distribution: Liga Portugal Young Goalkeepers
Among 10 Liga Portugal clubs, FC Alverca leads with 1 Young Goalkeepers worth €2.5M (averaging €2.5M per player). The top 10 clubs account for 100% of tracked Young Goalkeepers.
FC Alverca (1 Young Goalkeepers)
FC Porto (2 Young Goalkeepers)
Sporting CP (2 Young Goalkeepers)
SL Benfica (1 Young Goalkeepers)
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)
FC Alverca's André Gomes at 21 years old has the highest Pre-Peak Value Efficiency at 6.25×. That means André Gomes is valued 6.25× higher than the median player in the 21-23 age bracket-representing exceptional value before reaching peak age.
In second is Sporting CP's Diego Callai, who is 22 years old, with a 3.00× PPVE. Third is Diogo Fernandes of FC Porto, who is 21 years old with a 2.00× 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 6.25× means the player is worth 525% 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 | André Gomes FC Alverca | 21 | 21-23 | €2.5M | €400K | 6.25× |
| #2 | Diego Callai Sporting CP | 22 | 21-23 | €1.2M | €400K | 3.00× |
| #3 | Diogo Fernandes FC Porto | 21 | 21-23 | €800K | €400K | 2.00× |
| #4 | Gonçalo Ribeiro FC Porto | 20 | U21 | €1.5M | €800K | 1.88× |
| #5 | Diogo Pinto CF Estrela Amadora | 22 | 21-23 | €500K | €400K | 1.25× |
| #6 | Martin Turk GD Estoril Praia | 22 | 21-23 | €400K | €400K | 1.00× |
| #7 | Diogo Ferreira SL Benfica | 19 | U21 | €800K | €800K | 1.00× |
| #8 | Neneca CD Santa Clara | 22 | 21-23 | €400K | €400K | 1.00× |
| #9 | Jakub Vinarčík FC Arouca | 21 | 21-23 | €300K | €400K | 0.75× |
| #10 | Jota Vitória Guimarães SC | 23 | 21-23 | €200K | €400K | 0.50× |
| #11 | Rafa Vitória Guimarães SC | 22 | 21-23 | €200K | €400K | 0.50× |
| #12 | Diogo Dias GD Estoril Praia | 23 | 21-23 | €200K | €400K | 0.50× |
| #13 | Antzelo Sina Rio Ave FC | 22 | 21-23 | €200K | €400K | 0.50× |
| #14 | Francisco Silva Sporting CP | 20 | U21 | €300K | €800K | 0.37× |
Return-to-Peak Potential (RPP)
Recovery potential from current value to forecasted peak. Shows how much upside remains for players approaching their prime.
Understanding Return-to-Peak Potential (RPP)
SL Benfica's Diogo Ferreira at 19 years old has the highest Return-to-Peak Potential at +52%. That means Diogo Ferreira is projected to appreciate 52% as they reach their peak age in 7 years-representing significant upside before entering their prime.
In second is Sporting CP's Francisco Silva, who is 20 years old, with a +48% RPP (6 years to peak). Third is Gonçalo Ribeiro of FC Porto, who is 20 years old with a +48% RPP (6 years to peak).
How RPP is calculated: RPP compares a player's current market value to their forecasted peak value, calculating the percentage appreciation potential. A 52% RPP means the player is expected to gain 52% value as they enter their prime-making them excellent growth investments.
Recovery Potential by Player
| Rank | Player | Age | Years to Peak | Current | Peak Forecast | RPP % |
|---|---|---|---|---|---|---|
| #1 | Diogo Ferreira SL Benfica | 19 | 7 | €800K | €1.7M | +52% |
| #2 | Francisco Silva Sporting CP | 20 | 6 | €300K | €576K | +48% |
| #3 | Gonçalo Ribeiro FC Porto | 20 | 6 | €1.5M | €2.9M | +48% |
| #4 | Diogo Fernandes FC Porto | 21 | 5 | €800K | €1.4M | +44% |
| #5 | André Gomes FC Alverca | 21 | 5 | €2.5M | €4.5M | +44% |
| #6 | Jakub Vinarčík FC Arouca | 21 | 5 | €300K | €536K | +44% |
| #7 | Diogo Pinto CF Estrela Amadora | 22 | 4 | €500K | €831K | +40% |
| #8 | Martin Turk GD Estoril Praia | 22 | 4 | €400K | €665K | +40% |
| #9 | Diego Callai Sporting CP | 22 | 4 | €1.2M | €2.0M | +40% |
| #10 | Rafa Vitória Guimarães SC | 22 | 4 | €200K | €332K | +40% |
| #11 | Antzelo Sina Rio Ave FC | 22 | 4 | €200K | €332K | +40% |
| #12 | Neneca CD Santa Clara | 22 | 4 | €400K | €665K | +40% |
| #13 | Jota Vitória Guimarães SC | 23 | 3 | €200K | €309K | +35% |
| #14 | Diogo Dias GD Estoril Praia | 23 | 3 | €200K | €309K | +35% |
Risk-Adjusted Upside (RAU)
Upside potential weighted against forecast uncertainty. Higher RAU = better risk-reward profile.
Understanding Risk-Adjusted Upside (RAU)
SL Benfica's Diogo Ferreira has the highest Risk-Adjusted Upside at 154.3. That means Diogo Ferreira has 40% upside potential with only 0% forecast uncertainty-representing excellent risk-reward for value appreciation.
In second is Sporting CP's Francisco Silva with a 118.5 RAU (28% upside, 0% uncertainty). Third is Gonçalo Ribeiro of FC Porto with a 118.5 RAU (28% upside, 0% uncertainty).
How RAU is calculated: RAU divides upside potential by forecast uncertainty (RAU = Upside % ÷ Uncertainty %). A RAU of 154.3 means the upside is 154.3× greater than the uncertainty-making it a high-confidence growth opportunity. Target RAU ≥2.0 for balanced risk-reward.
Risk-Adjusted Upside by Player
| Rank | Player | Expected | Range | Upside % | RAU |
|---|---|---|---|---|---|
| #1 | Diogo Ferreira SL Benfica | €1.1M | €1.0M-1.2M | +40% | 154.3 |
| #2 | Francisco Silva Sporting CP | €384K | €348K-419K | +28% | 118.5 |
| #3 | Gonçalo Ribeiro FC Porto | €1.9M | €1.7M-2.1M | +28% | 118.5 |
| #4 | Jakub Vinarčík FC Arouca | €370K | €336K-405K | +23% | 103.3 |
| #5 | Diogo Fernandes FC Porto | €988K | €897K-1.1M | +23% | 103.3 |
| #6 | André Gomes FC Alverca | €3.1M | €2.8M-3.4M | +23% | 103.3 |
| #7 | Diego Callai Sporting CP | €1.4M | €1.3M-1.5M | +19% | 100.1 |
| #8 | Diogo Pinto CF Estrela Amadora | €595K | €548K-643K | +19% | 100.1 |
| #9 | Martin Turk GD Estoril Praia | €476K | €438K-514K | +19% | 100.1 |
| #10 | Rafa Vitória Guimarães SC | €238K | €219K-257K | +19% | 100.1 |
| #11 | Antzelo Sina Rio Ave FC | €238K | €219K-257K | +19% | 100.1 |
| #12 | Neneca CD Santa Clara | €476K | €438K-514K | +19% | 100.1 |
| #13 | Jota Vitória Guimarães SC | €229K | €211K-248K | +15% | 79.9 |
| #14 | Diogo Dias GD Estoril Praia | €229K | €211K-248K | +15% | 79.9 |
Roster Pressure Index (RPI)
Squad depth pressure based on Z-score distribution. Negative RPI = thin depth, positive = deep roster.
What This Shows
Z-Score explained: Measures how many standard deviations a player's strength is from the position average. Z-Score = 0 means average, +1.0 is one standard deviation above average, -1.0 is below average.
How to use: RPI < -1.0 indicates critical depth shortage. These positions need immediate reinforcement. RPI > +1.0 suggests strong depth, allowing selective, high-value additions only.
Current market: young goalkeeper position shows strong depth (avg Z-score: 0.00). RPI: 0.00.
Position Depth Analysis
Highest Z-Scores
Lowest Z-Scores
Age-Share Concentration (ASC)
Identifies players capturing disproportionate value relative to age group representation. Positive ASC = value concentration.
Understanding Age-Share Concentration (ASC)
Sporting CP's Francisco Silva in the U21 age bracket has the highest Age-Share Concentration at +5.9%. That means Gonçalo Ribeiro captures 27.4% of total market value while representing only 21.4% of players in their age group-showing dominant elite status.
In second is SL Benfica's Diogo Ferreira with a +5.9% ASC (27.4% value share vs 21.4% player share in U21 bracket). Third is Gonçalo Ribeiro of FC Porto with a +5.9% ASC (27.4% value vs 21.4% players in U21 bracket).
How ASC is calculated: ASC = (% of total value) - (% of total players) in age bracket. A +5.9% ASC means the player captures 5.9% more market value than their numerical representation-indicating marquee status. ASC > +15% = elite dominance, ASC < -15% = potential value targets.
Value Concentration by Player
| Rank | Player | Age Bracket | Value Share | Player Share | ASC |
|---|---|---|---|---|---|
| #1 | Francisco Silva Sporting CP | U21 | 27.4% | 21.4% | +5.9% |
| #2 | Diogo Ferreira SL Benfica | U21 | 27.4% | 21.4% | +5.9% |
| #3 | Gonçalo Ribeiro FC Porto | U21 | 27.4% | 21.4% | +5.9% |
| #4 | André Gomes FC Alverca | 21-23 | 72.6% | 78.6% | -5.9% |
| #5 | Diogo Pinto CF Estrela Amadora | 21-23 | 72.6% | 78.6% | -5.9% |
| #6 | Martin Turk GD Estoril Praia | 21-23 | 72.6% | 78.6% | -5.9% |
| #7 | Jota Vitória Guimarães SC | 21-23 | 72.6% | 78.6% | -5.9% |
| #8 | Diego Callai Sporting CP | 21-23 | 72.6% | 78.6% | -5.9% |
| #9 | Rafa Vitória Guimarães SC | 21-23 | 72.6% | 78.6% | -5.9% |
| #10 | Diogo Fernandes FC Porto | 21-23 | 72.6% | 78.6% | -5.9% |
| #11 | Diogo Dias GD Estoril Praia | 21-23 | 72.6% | 78.6% | -5.9% |
| #12 | Jakub Vinarčík FC Arouca | 21-23 | 72.6% | 78.6% | -5.9% |
| #13 | Antzelo Sina Rio Ave FC | 21-23 | 72.6% | 78.6% | -5.9% |
| #14 | Neneca CD Santa Clara | 21-23 | 72.6% | 78.6% | -5.9% |
Buy-Now vs Wait-List Map
Categorizes players by age position and upside potential to guide timing of acquisition.
What This Shows
How to use:"Buy Now - High Upside" = immediate priority targets."Watch List" = monitor for 6-12 months."Peak" = pay premium for proven performers."Aging" = short-term depth only.
Current market: 12 immediate targets, 2 standard acquisitions, 0 watch-list prospects, 0 at peak.
BUY NOW - High Upside
WATCH LIST - High Upside
No players in this category
BUY NOW - Medium Upside
PEAK Players
No players in this category
Price vs Peer Z-Score
IQR-based pricing analysis relative to position peers. Identifies over/undervalued players vs market.
What This Shows
How to use: Z-score < -1.5 = significantly undervalued (potential bargain). Z-score > +1.5 = premium pricing (requires strong justification). Within ±1.0 = fair market value.
Current market: Position median is €800K. 0 undervalued, 1 premium.
Value Positioning vs Peers
| Player | Market Value | Position Median | Z-Score | Assessment |
|---|---|---|---|---|
Francisco Silva Sporting CP | €300K | €400K | -0.42 | Fair Value |
Jota Vitória Guimarães SC | €200K | €400K | -0.33 | Fair Value |
Rafa Vitória Guimarães SC | €200K | €400K | -0.33 | Fair Value |
Diogo Dias GD Estoril Praia | €200K | €400K | -0.33 | Fair Value |
Antzelo Sina Rio Ave FC | €200K | €400K | -0.33 | Fair Value |
Jakub Vinarčík FC Arouca | €300K | €400K | -0.17 | Fair Value |
Martin Turk GD Estoril Praia | €400K | €400K | 0.00 | Fair Value |
Diogo Ferreira SL Benfica | €800K | €400K | 0.00 | Fair Value |
Neneca CD Santa Clara | €400K | €400K | 0.00 | Fair Value |
Diogo Pinto CF Estrela Amadora | €500K | €400K | +0.17 | Fair Value |
Gonçalo Ribeiro FC Porto | €1.5M | €400K | +0.58 | Above Market |
Diogo Fernandes FC Porto | €800K | €400K | +0.67 | Above Market |
Diego Callai Sporting CP | €1.2M | €400K | +1.33 | Above Market |
André Gomes FC Alverca | €2.5M | €400K | +3.50 | Premium |
Market Overview: Liga Portugal Young Goalkeepers 2023-24
Our database tracked 14 Liga Portugal Young Goalkeepers in the 2023-24 season, representing 10 clubs with a combined market value of €9.5M. The average market value for Liga Portugal Young Goalkeepers was €679K, with the average age at 21 years old.
The most valuable young goalkeeper in the Liga Portugal was André Gomes, worth €2.5M and played for FC Alverca at 21 years old. The top 5 Young Goalkeepers averaged €1.4M in market value, including Gonçalo Ribeiro and Diego Callai.
Age distribution showed the youngest tracked young goalkeeper was Diogo Ferreira (19 years, SL Benfica, €800K), while the oldest was Jota (23 years, Vitória Guimarães SC, €200K). Research shows Young Goalkeepers typically peak at age 29.
Historical analysis showed 14 Young Goalkeepers (100%) increased in market value over the following 12 months based on age-curve trajectories, then-current performance trends, and playing time analysis. The Liga Portugal market for Young Goalkeepers remained actively developing with emerging talent in the 2023-24 season.
How We Rank Liga Portugal Young Goalkeepers
Our Analytical Strength Index is calibrated specifically for young goalkeepers, 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 GK
Historical Achievement Index (35%)
Peak career market value for Liga Portugal young goalkeepers, 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 Liga Portugal young goalkeepers, capturing recent form, injuries, and current performance level. Weighted to reflect age-related depreciation patterns.
Playing Time Utilization (18%)
Goalkeepers with 2,700+ minutes score highest, indicating regular starting role and sustained performance.
Age-Adjusted Performance Curve (12%)
Goalkeepers peak at 29 with gradual 3.5%/year decline. Pre-peak players score higher on development trajectory.
Competition Level Adjustment (3%)
Liga Portugal 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.
GK Performance Benchmarks
Peak Age: 29 years (latest of all positions due to experience premium)
Decline Rate: 3.5% per year (slowest decline, experience compensates for reflexes)
Optimal Minutes: 2,700 per season (near-complete games for #1 goalkeeper)
1-Year Market Value Forecast
Probabilistic model combining age-curve depreciation, value momentum, and playing time factors:
• Age Factor: GK-specific -3.5%/year post-peak, +5%/year pre-peak
• 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: ±8% confidence interval (most stable)
Research Foundation
• Dendir (2016): Age-performance curves for young goalkeepers
• 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 Liga Portugal Young Goalkeepers in the 2023-24 season
Who are the most valuable Young Goalkeepers in the Liga Portugal in 2023-24?
The most valuable young goalkeeper in the Liga Portugal in 2023-24 is André Gomes, who is worth €2.5M and plays for FC Alverca. The second most valuable is Gonçalo Ribeiro (€1.5M, FC Porto), followed by Diego Callai (€1.2M, Sporting CP). Our database tracks 14 Liga Portugal Young Goalkeepers with comprehensive market valuations updated for the 2023-24 season.
How are Liga Portugal Young Goalkeepers ranked?
Liga Portugal Young Goalkeepers are ranked by our proprietary Analytical Strength Index, which is specifically calibrated for Young Goalkeepers. 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 Liga Portugal 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 Goalkeepers peak?
Goalkeepers typically peak at age 29, later than outfield players, with a slower decline rate of 3.5% per year after peak. This is supported by research from Dendir (2016) showing that goalkeepers maintain elite performance longer due to the position's reliance on positioning, decision-making, and experience rather than pure athleticism. The optimal playing time for peak performance is around 2,700 minutes per season.
How much does it cost to sign a top young goalkeeper from the Liga Portugal?
Transfer fees for Liga Portugal Young Goalkeepers vary significantly based on market value, contract length, and club bargaining position. For the top-ranked young goalkeeper André Gomes (market value: €2.5M), estimated transfer fees would range from €2.0M to €3.5M 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 Liga Portugal transactions.
What is the value forecast for Liga Portugal Young Goalkeepers?
Our 1-year forecast model projects market value changes for Liga Portugal Young Goalkeepers based on age-curve depreciation, historical trajectory, and playing time adjustments. The forecast combines three factors: age-based appreciation/depreciation (pre-peak players gain ~5% per year toward peak age, post-peak players decline at position-specific rates), 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-goalkeepers have ±8% volatility (most stable). Young players (under 22) and older players (over 32) receive 1.15× uncertainty multipliers due to unpredictable development or decline patterns.
Where does the Liga Portugal young goalkeeper data come from?
Our Liga Portugal young goalkeeper 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 Liga Portugal sources and updated monthly for the 2023-24 season to ensure accuracy for recruitment and investment decisions.