Best U23 Young Left-Backs in the La Liga
5 players aged 23 or under · ranked by Analytical Strength Score
Best Young Left-Backs in the La Liga (Apr 2026)
Ranked by Analytical Strength Score
Market Overview: La Liga Young Left-Backs 2025-26
Our database tracks 5 La Liga Young Left-Backs in the 2025-26 season, representing 5 clubs with a combined market value of €131.5M. The average market value for La Liga Young Left-Backs is €26.3M, with the average age at 22.8 years old.
The most valuable young left-back in the La Liga is Alejandro Balde, worth €60.0M and playing for FC Barcelona at 22 years old. The top 5 Young Left-Backs average €26.3M in market value, including Álvaro Carreras and Matteo Ruggeri.
Age distribution shows the youngest tracked young left-back is Alejandro Balde (22 years, FC Barcelona, €60.0M), while the oldest is Álvaro Carreras (23 years, Real Madrid, €50.0M). Research shows Young Left-Backs typically peak at age 27.
Our 1-year forecast model projects 5 Young Left-Backs (100%) will increase in market value over the next 12 months based on age-curve trajectories, current performance trends, and playing time analysis. The La Liga market for Young Left-Backs remains actively developing with emerging talent in the 2025-26 season.
💡 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.
Explore Market Size by Position in La Liga
Interactive bubble chart showing predicted 2-year growth vs current age for all La Liga Young Left-Backs. Identify undervalued assets and track market momentum across 5 clubs with €131.5M combined value.
Age Distribution: La Liga Young Left-Backs
The La Liga LB market shows 1 distinct age segments, with the largest cohort in the 21-23 bracket (5 players, 100% of market). The 21-23 age group holds the most value at €131.5M, averaging €26.3M per player.
Top Young Left-Backs by Age Bracket
21-23 Years (5 players)
Market Value Distribution
Elite Tier Concentration
The top 1 Young Left-Backs (20% of players) control €60.0M
Market Tiers
Market structure shows distributed value with elite (€50m+) tier representing 40% of the La Liga LB pool.
Elite (€50M+)
High (€15-30M)
Emerging (<€5M)
Club Distribution: La Liga Young Left-Backs
Among 5 La Liga clubs, FC Barcelona leads with 1 Young Left-Backs worth €60.0M (averaging €60.0M per player). The top 10 clubs account for 100% of tracked Young Left-Backs.
FC Barcelona (1 Young Left-Backs)
Real Madrid (1 Young Left-Backs)
Atlético de Madrid (1 Young Left-Backs)
Valencia CF (1 Young Left-Backs)
Player Rankings
Ranked by APE Strength Score. Click any player to view full profile, or click the chart icon to see value history.
Alejandro Balde
FC Barcelona • 22 years old
€51.9M
€60.0M
+15.6%
Expected: €66.1M
90.8
Álvaro Carreras
Real Madrid • 23 years old
€43.2M
€50.0M
+15.6%
Expected: €55.7M
89.2
Matteo Ruggeri
Atlético de Madrid • 23 years old
€13.8M
€16.0M
+15.6%
Expected: €17.1M
71.2
Jesús Vázquez
Valencia CF • 23 years old
€2.6M
€3.0M
+15.6%
Expected: €3.2M
43.2
Adama Boiro
Athletic Bilbao • 23 years old
€2.2M
€2.5M
+15.6%
Expected: €2.7M
40.9
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 Barcelona's Alejandro Balde at 22 years old has the highest Pre-Peak Value Efficiency at 3.75×. That means Alejandro Balde is valued 3.75× higher than the median player in the 21-23 age bracket—representing exceptional value before reaching peak age.
In second is Real Madrid's Álvaro Carreras, who is 23 years old, with a 3.13× PPVE. Third is Matteo Ruggeri of Atlético de Madrid, who is 23 years old with a 1.00× 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 3.75× means the player is worth 275% 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 | Alejandro Balde FC Barcelona | 22 | 21-23 | €60.0M | €16.0M | 3.75× |
| #2 | Álvaro Carreras Real Madrid | 23 | 21-23 | €50.0M | €16.0M | 3.13× |
| #3 | Matteo Ruggeri Atlético de Madrid | 23 | 21-23 | €16.0M | €16.0M | 1.00× |
| #4 | Jesús Vázquez Valencia CF | 23 | 21-23 | €3.0M | €16.0M | 0.19× |
| #5 | Adama Boiro Athletic Bilbao | 23 | 21-23 | €2.5M | €16.0M | 0.16× |
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)
FC Barcelona's Alejandro Balde at 22 years old has the highest Return-to-Peak Potential at +25%. That means Alejandro Balde is projected to appreciate 25% as they reach their peak age in 4 years—representing significant upside before entering their prime.
In second is Valencia CF's Jesús Vázquez, who is 23 years old, with a +20% RPP (3 years to peak). Third is Adama Boiro of Athletic Bilbao, who is 23 years old with a +20% RPP (3 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 25% RPP means the player is expected to gain 25% 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 | Alejandro Balde FC Barcelona | 22 | 4 | €60.0M | €80.2M | +25% |
| #2 | Jesús Vázquez Valencia CF | 23 | 3 | €3.0M | €3.7M | +20% |
| #3 | Adama Boiro Athletic Bilbao | 23 | 3 | €2.5M | €3.1M | +20% |
| #4 | Álvaro Carreras Real Madrid | 23 | 3 | €50.0M | €62.2M | +20% |
| #5 | Matteo Ruggeri Atlético de Madrid | 23 | 3 | €16.0M | €19.9M | +20% |
Risk-Adjusted Upside (RAU)
Upside potential weighted against forecast uncertainty. Higher RAU = better risk-reward profile.
Understanding Risk-Adjusted Upside (RAU)
Real Madrid's Álvaro Carreras has the highest Risk-Adjusted Upside at 42.8. That means Álvaro Carreras has 11% upside potential with only 0% forecast uncertainty—representing excellent risk-reward for value appreciation.
In second is FC Barcelona's Alejandro Balde with a 38.4 RAU (10% upside, 0% uncertainty). Third is Matteo Ruggeri of Atlético de Madrid with a 27.5 RAU (7% upside, 0% uncertainty).
How RAU is calculated: RAU divides upside potential by forecast uncertainty (RAU = Upside % ÷ Uncertainty %). A RAU of 42.8 means the upside is 42.8× 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 | Álvaro Carreras Real Madrid | €55.7M | €49.0M-62.4M | +11% | 42.8 |
| #2 | Alejandro Balde FC Barcelona | €66.1M | €58.2M-74.0M | +10% | 38.4 |
| #3 | Matteo Ruggeri Atlético de Madrid | €17.1M | €15.1M-19.2M | +7% | 27.5 |
| #4 | Adama Boiro Athletic Bilbao | €2.7M | €2.4M-3.0M | +7% | 27.5 |
| #5 | Jesús Vázquez Valencia CF | €3.2M | €2.8M-3.6M | +7% | 27.5 |
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 left-back 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)
Atlético de Madrid's Matteo Ruggeri in the 21-23 age bracket has the highest Age-Share Concentration at +0.0%. That means Alejandro Balde captures 100.0% of total market value while representing only 100.0% of players in their age group—showing dominant elite status.
In second is Valencia CF's Jesús Vázquez with a +0.0% ASC (100.0% value share vs 100.0% player share in 21-23 bracket). Third is Alejandro Balde of FC Barcelona with a +0.0% ASC (100.0% value vs 100.0% players in 21-23 bracket).
How ASC is calculated: ASC = (% of total value) - (% of total players) in age bracket. A +0.0% ASC means the player captures 0.0% 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 | Matteo Ruggeri Atlético de Madrid | 21-23 | 100.0% | 100.0% | 0.0% |
| #2 | Jesús Vázquez Valencia CF | 21-23 | 100.0% | 100.0% | 0.0% |
| #3 | Alejandro Balde FC Barcelona | 21-23 | 100.0% | 100.0% | 0.0% |
| #4 | Adama Boiro Athletic Bilbao | 21-23 | 100.0% | 100.0% | 0.0% |
| #5 | Álvaro Carreras Real Madrid | 21-23 | 100.0% | 100.0% | 0.0% |
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: 0 immediate targets, 5 standard acquisitions, 0 watch-list prospects, 0 at peak.
BUY NOW - High Upside
No players in this category
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 €60.0M. 0 undervalued, 0 premium.
Value Positioning vs Peers
| Player | Market Value | Position Median | Z-Score | Assessment |
|---|---|---|---|---|
Adama Boiro Athletic Bilbao | €2.5M | €16.0M | -1.00 | Good Value |
Álvaro Carreras Real Madrid | €50.0M | €16.0M | -1.00 | Good Value |
Matteo Ruggeri Atlético de Madrid | €16.0M | €16.0M | 0.00 | Fair Value |
Jesús Vázquez Valencia CF | €3.0M | €16.0M | 0.00 | Fair Value |
Alejandro Balde FC Barcelona | €60.0M | €16.0M | 0.00 | Fair Value |