Under 23 · Süper Lig · 2025-26

Best U23 Young Left-Backs in the Süper Lig

3 players aged 23 or under · ranked by Analytical Strength Score

Best Young Left-Backs in the Süper Lig (Apr 2026)

Ranked by Analytical Strength Score

Market Overview: Süper Lig Young Left-Backs 2025-26

Our database tracks 3 Süper Lig Young Left-Backs in the 2025-26 season, representing 3 clubs with a combined market value of €11.5M. The average market value for Süper Lig Young Left-Backs is €3.8M, with the average age at 22.7 years old.

The most valuable young left-back in the Süper Lig is Archie Brown, worth €10.0M and playing for Fenerbahce at 23 years old. The top 5 Young Left-Backs average €3.8M in market value, including Kazımcan Karataş and Arif Boşluk.

Age distribution shows the youngest tracked young left-back is Arif Boşluk (22 years, Trabzonspor, €500K), while the oldest is Archie Brown (23 years, Fenerbahce, €10.0M). Research shows Young Left-Backs typically peak at age 27.

Our 1-year forecast model projects 3 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 Süper Lig 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.

Market Intelligence

Explore Market Size by Position in Süper Lig

Interactive bubble chart showing predicted 2-year growth vs current age for all Süper Lig Young Left-Backs. Identify undervalued assets and track market momentum across 3 clubs with €11.5M combined value.

Players Tracked

By League

Premier League La Liga Bundesliga Serie A Ligue 1

By Position

GK CB LB RB CDM

More Positions

CM CAM LW RW ST

By Season

2025-26 2024-25 2023-24 2022-23

Age Distribution: Süper Lig Young Left-Backs

The Süper Lig LB market shows 1 distinct age segments, with the largest cohort in the 21-23 bracket (3 players, 100% of market). The 21-23 age group holds the most value at €11.5M, averaging €3.8M per player.

21-23 years3 players (100%)

€11.5MAvg: €3.8M

Top player: Archie Brown (€10.0M)

Top Young Left-Backs by Age Bracket

21-23 Years (3 players)

1. Archie Brown(23yo)

€10.0M

2. Kazımcan Karataş(23yo)

€1.0M

3. Arif Boşluk(22yo)

€500K

Market Value Distribution

Elite Tier Concentration

87%of market value

The top 1 Young Left-Backs (33% of players) control €10.0M

1. Archie Brown€10.0M

Market Tiers

Mid (€5-15M)1 players (33%)

€10.0M

Emerging (<€5M)2 players (67%)

€1.5M

Market structure shows distributed value with mid (€5-15m) tier representing 33% of the Süper Lig LB pool.

Mid (€5-15M)

1. Archie Brown

Fenerbahce€10.0M

Emerging (<€5M)

1. Kazımcan Karataş

Galatasaray€1.0M

2. Arif Boşluk

Trabzonspor€500K

Club Distribution: Süper Lig Young Left-Backs

Among 3 Süper Lig clubs, Fenerbahce leads with 1 Young Left-Backs worth €10.0M (averaging €10.0M per player). The top 10 clubs account for 100% of tracked Young Left-Backs.

Fenerbahce

1 players • €10.0M

Galatasaray

1 players • €1.0M

Trabzonspor

1 players • €500K

Fenerbahce (1 Young Left-Backs)

Archie Brown(23yo)

€10.0M

Galatasaray (1 Young Left-Backs)

Kazımcan Karataş(23yo)

€1.0M

Trabzonspor (1 Young Left-Backs)

Arif Boşluk(22yo)

€500K

Player Rankings

Ranked by APE Strength Score. Click any player to view full profile, or click the chart icon to see value history.

Archie Brown

Fenerbahce • 23 years old

€8.6M

€10.0M

+15.6%

€9.4M€12.0M

Expected: €10.7M

61.5

Kazımcan Karataş

Galatasaray • 23 years old

€865K

€1.0M

+15.6%

€942K€1.2M

Expected: €1.1M

29.2

Arif Boşluk

Trabzonspor • 22 years old

€432K

€500K

+15.6%

€466K€593K

Expected: €529K

20.0

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)

Fenerbahce's Archie Brown at 23 years old has the highest Pre-Peak Value Efficiency at 10.00×. That means Archie Brown is valued 10.00× higher than the median player in the 21-23 age bracket—representing exceptional value before reaching peak age.

In second is Galatasaray's Kazımcan Karataş, who is 23 years old, with a 1.00× PPVE. Third is Arif Boşluk of Trabzonspor, who is 22 years old with a 0.50× 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 10.00× means the player is worth 900% more than typical players their age—making them high-value targets before they reach peak value.

PPVE by Age Bracket

Archie BrownFenerbahce

21-23 • 23yo10.00×

€10.0M • 900% above median

Kazımcan KarataşGalatasaray

21-23 • 23yo1.00×

€1.0M • 0% above median

Arif BoşlukTrabzonspor

21-23 • 22yo0.50×

€500K • -50% above median

Rank	Player	Age	Bracket	Current Value	Bracket Median	PPVE
#1	Archie Brown Fenerbahce	23	21-23	€10.0M	€1.0M	10.00×
#2	Kazımcan Karataş Galatasaray	23	21-23	€1.0M	€1.0M	1.00×
#3	Arif Boşluk Trabzonspor	22	21-23	€500K	€1.0M	0.50×

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)

Trabzonspor's Arif Boşluk at 22 years old has the highest Return-to-Peak Potential at +25%. That means Arif Boşluk is projected to appreciate 25% as they reach their peak age in 4 years—representing significant upside before entering their prime.

In second is Fenerbahce's Archie Brown, who is 23 years old, with a +20% RPP (3 years to peak). Third is Kazımcan Karataş of Galatasaray, 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

Arif BoşlukTrabzonspor

4yr to peak+25%

€500K → €668K

Archie BrownFenerbahce

3yr to peak+20%

€10.0M → €12.4M

Kazımcan KarataşGalatasaray

3yr to peak+20%

€1.0M → €1.2M

Rank	Player	Age	Years to Peak	Current	Peak Forecast	RPP %
#1	Arif Boşluk Trabzonspor	22	4	€500K	€668K	+25%
#2	Archie Brown Fenerbahce	23	3	€10.0M	€12.4M	+20%
#3	Kazımcan Karataş Galatasaray	23	3	€1.0M	€1.2M	+20%

Risk-Adjusted Upside (RAU)

Upside potential weighted against forecast uncertainty. Higher RAU = better risk-reward profile.

Understanding Risk-Adjusted Upside (RAU)

Galatasaray's Kazımcan Karataş has the highest Risk-Adjusted Upside at 27.5. That means Kazımcan Karataş has 7% upside potential with only 0% forecast uncertainty—representing excellent risk-reward for value appreciation.

In second is Fenerbahce's Archie Brown with a 27.5 RAU (7% upside, 0% uncertainty). Third is Arif Boşluk of Trabzonspor with a 23.0 RAU (6% upside, 0% uncertainty).

How RAU is calculated: RAU divides upside potential by forecast uncertainty (RAU = Upside % ÷ Uncertainty %). A RAU of 27.5 means the upside is 27.5× greater than the uncertainty—making it a high-confidence growth opportunity. Target RAU ≥2.0 for balanced risk-reward.

Risk-Adjusted Upside by Player

Kazımcan KarataşGalatasaray

↑7% / ±0%27.5

Range: €942K - €1.2M

Archie BrownFenerbahce

↑7% / ±0%27.5

Range: €9.4M - €12.0M

Arif BoşlukTrabzonspor

↑6% / ±0%23.0

Range: €466K - €593K

Rank	Player	Expected	Range	Upside %	RAU
#1	Kazımcan Karataş Galatasaray	€1.1M	€942K-1.2M	+7%	27.5
#2	Archie Brown Fenerbahce	€10.7M	€9.4M-12.0M	+7%	27.5
#3	Arif Boşluk Trabzonspor	€529K	€466K-593K	+6%	23.0

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 weak depth (avg Z-score: -0.00). RPI: -0.00.

Position Depth Analysis

Total Players

-0.00

Avg Z-Score

-0.00

RPI Score

Weak DepthStrong Depth

-3.00+3.0

Highest Z-Scores

Archie Brown+1.41

Kazımcan Karataş+-0.65

Arif Boşluk+-0.76

Lowest Z-Scores

Arif Boşluk-0.76

Kazımcan Karataş-0.65

Archie Brown1.41

Age-Share Concentration (ASC)

Identifies players capturing disproportionate value relative to age group representation. Positive ASC = value concentration.

Understanding Age-Share Concentration (ASC)

Fenerbahce's Archie Brown in the 21-23 age bracket has the highest Age-Share Concentration at +0.0%. That means Archie Brown 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 Galatasaray's Kazımcan Karataş with a +0.0% ASC (100.0% value share vs 100.0% player share in 21-23 bracket). Third is Arif Boşluk of Trabzonspor 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

Archie BrownFenerbahce

21-230.0%

100.0% value share / 100.0% player share

Kazımcan KarataşGalatasaray

21-230.0%

100.0% value share / 100.0% player share

Arif BoşlukTrabzonspor

21-230.0%

100.0% value share / 100.0% player share

Rank	Player	Age Bracket	Value Share	Player Share	ASC
#1	Archie Brown Fenerbahce	21-23	100.0%	100.0%	0.0%
#2	Kazımcan Karataş Galatasaray	21-23	100.0%	100.0%	0.0%
#3	Arif Boşluk Trabzonspor	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, 3 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

Archie Brown

23yo • Fenerbahce

€10.0M

Kazımcan Karataş

23yo • Galatasaray

€1.0M

Arif Boşluk

22yo • Trabzonspor

€500K

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 €10.0M. 0 undervalued, 0 premium.

Value Positioning vs Peers

Arif BoşlukTrabzonspor

€500K-1.00

Fair value

Archie BrownFenerbahce

€10.0M0.00

Fair value

Kazımcan KarataşGalatasaray

€1.0M0.00

Fair value

Player	Market Value	Position Median	Z-Score	Assessment
Arif Boşluk Trabzonspor	€500K	€1.0M	-1.00	Good Value
Archie Brown Fenerbahce	€10.0M	€1.0M	0.00	Fair Value
Kazımcan Karataş Galatasaray	€1.0M	€1.0M	0.00	Fair Value

How We Rank Süper Lig Young Left-Backs

Our Analytical Strength Score is calibrated specifically for young left-backs, 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 LB

Historical Achievement Index (35%)

Peak career market value for Süper Lig young left-backs, 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 Süper Lig young left-backs, capturing recent form, injuries, and current performance level. Weighted to reflect age-related depreciation patterns.

Playing Time Utilization (18%)

Defenders with 2,500+ minutes score highest, indicating regular starting role and sustained performance.

Age-Adjusted Performance Curve (12%)

Defenders peak at 27 with 5.0%/year decline rate. Pre-peak players score higher on development trajectory.

Competition Level Adjustment (3%)

Süper Lig 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.

LB Performance Benchmarks

Peak Age: 27 years (balance of physicality and tactical intelligence)

Decline Rate: 5.0% per year (moderate decline as positioning offsets pace loss)

Optimal Minutes: 2,500 per season (regular starter with rotation management)

1-Year Market Value Forecast

Probabilistic model combining age-curve depreciation, value momentum, and playing time factors:

• Age Factor: Defender -5.0%/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: ±10% confidence interval

Research Foundation

• Dendir (2016): Age-performance curves for young left-backs

• 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 Süper Lig Young Left-Backs in the 2025-26 season

Who are the most valuable Young Left-Backs in the Süper Lig in 2025-26?

The most valuable young left-back in the Süper Lig in 2025-26 is Archie Brown, who is worth €10.0M and plays for Fenerbahce. The second most valuable is Kazımcan Karataş (€1.0M, Galatasaray), followed by Arif Boşluk (€500K, Trabzonspor). Our database tracks 3 Süper Lig Young Left-Backs with comprehensive market valuations updated for the 2025-26 season.

How are Süper Lig Young Left-Backs ranked?

Süper Lig Young Left-Backs are ranked by our proprietary Analytical Strength Score, which is specifically calibrated for Young Left-Backs. 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 Süper Lig 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 Left-Backs peak?

Defenders typically peak at age 27, with a decline rate of 5.0% per year after peak. Research shows defenders balance physical attributes with tactical intelligence, allowing them to maintain high performance through their late 20s. The optimal playing time for peak performance is around 2,500 minutes per season.

How much does it cost to sign a top young left-back from the Süper Lig?

Transfer fees for Süper Lig Young Left-Backs vary significantly based on market value, contract length, and club bargaining position. For the top-ranked young left-back Archie Brown (market value: €10.0M), estimated transfer fees would range from €8.0M to €14.0M 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 Süper Lig transactions.

What is the value forecast for Süper Lig Young Left-Backs?

Our 1-year forecast model projects market value changes for Süper Lig Young Left-Backs 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—defenders have ±10% 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 Süper Lig young left-back data come from?

Our Süper Lig young left-back data is sourced from APE Global Capital'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 Süper Lig sources and updated monthly for the 2025-26 season to ensure accuracy for recruitment and investment decisions.