Gianluca Prestianni

20 yrs · Right winger (also AM, LW) · Argentina
SL Benfica · Liga Portugal · Foot: right · Height: 166 cm
Risk: ModerateConfidence: MediumSample: MediumDevelopment: HighContract: until 30 Jun 2029
Market value
€20.0M
Updated 6 days ago
Estimated acquisition
€16.4M – €32.0M
Estimated · 20–80% range
Model value
€4.4M – €19.0M
Performance-implied · estimated
Projected (24m)
€14.3M – €48.3M
Resale range · estimated
Potential value gap
-€27.6M – €2.6M
Model value − acquisition

Value picture

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

Estimated acquisition€16.4M – €32.0M
Model value (performance-implied)€4.4M – €19.0M
Projected value (24 months)€14.3M – €48.3M
Dashed line: current market value (€20.0M). Bars are 20–80% model ranges; tick = median.

The model rates Gianluca Prestianni's performance-implied value at EUR 4.4M-19.0M, below the estimated acquisition range of EUR 16.4M-32.0M. Its 24-month market value projection is EUR 14.3M-48.3M. Context-adjusted goal contributions are 0.70x the positional average in the league (1546 minutes, league coefficient 0.58). Confidence is medium: no event-level data (xG, progressive actions) is available from the current free source, and injury history is unavailable.

Bargain Index: 45

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

PerformanceAbove average64.3th pct among ATT peers (age-neutral)
AgeVery favorable20.4 years
Acquisition costUnfavorableest. €25.5M vs market €20.0M
Expected appreciationHigh+23% over ~2 years (model)
Value gapVery negativeweak predictor on its own
DevelopmentHighbreakout probability 28%
League translationModerateleague coefficient 0.58
Tactical fitNot evaluatedRequires event/role data not available from the current free source.
RiskModerate
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: €20.0M

Profile vs positional peers

Percentiles among 900 evaluated ATT players with 900+ minutes.

Performance (last season, league)

Minutes
1546 (51% of available)
Goals + assists / 90
0.52
Context-adjusted G+A / 90
0.28
xG, xA, progression
Data unavailable
Defensive actions
Data unavailable
Performance percentile
64 (Above average)

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
0.58 (rank 9)
Team strength (Elo)
1634
Opponent strength
1317
Possession, role
Data unavailable

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

Potential

Development
High
Trajectory
insufficient
Breakout probability
28%
Resale range (24m)
€14.3M – €48.3M

Historical comparables (8): median 2-year value change +71% (IQR +30% to +94%).

Risk profile

Overall: Moderate

  • ⚠Limited sample: 1546 league minutes last season.
  • ⚠League level coefficient 0.58 (1.00 = big-five average): output may not translate.
  • ⚠Projection range wider than for most evaluated players.
  • ⓘ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).

Historical movers
58 (ATT)
Relative output kept
71%–130%
Held a regular role (900+ min)
66%
Confidence
Medium

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.
2025/26SL BenficaLiga PortugalRW29154651%360.520.28131716340.58
2024/25SL BenficaLiga PortugalAM82879%000.000.17126316320.51
2023/24SL BenficaLiga PortugalLW130%000.000.24134516030.58

Cups & continental competitions

SeasonCompetitionClubAppsMinGAAvg opp. Elo
2025/26Uefa Champions LeagueSL Benfica5286001702
2025/26Uefa Champions League QualifyingSL Benfica251001514
2025/26Supercup Candido De OliveiraSL Benfica110001610

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
Gonçalo Ramos
Liga Portugal · 2022
21€14.0M€50.0Mrose
Brian Brobbey
Eredivisie · 2023
21€12.0M€22.0Mrose
Bertrand Traoré
Eredivisie · 2017
22€8.0M€15.0Mrose
Mohammed Kudus
Eredivisie · 2023
23€40.0M€45.0Mflat
Francisco Conceição
Liga Portugal · 2024
22€22.0M€30.0Mrose
Bernard
Premier Liga · 2016
24€16.0M€16.0Mflat
Evanilson
Liga Portugal · 2022
23€22.0M€35.0Mrose
Antonio Nusa
Jupiler Pro League · 2024
19€15.0M€32.0Mrose

Transfer history

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

DateFromToFeeMV at time
31 Jan 2024Vélez SarsfieldBenfica€9.0M€10.0M
1 Jan 2023Vélez IIVélez SarsfieldUnknown€2.0M
1 Sept 2021Vélez U20Vélez IIUnknownData 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.