Tiago Santos

24 yrs · Right-back · Portugal
LOSC Lille · Ligue 1 · Foot: right · Height: 175 cm
Risk: HighConfidence: LowSample: LowDevelopment: ModerateContract: until 30 Jun 2029
Market value
€10.0M
Updated 7 days ago
Estimated acquisition
€5.4M – €12.2M
Estimated · 20–80% range
Model value
€3.0M – €6.1M
Performance-implied · estimated
Projected (24m)
€4.2M – €15.8M
Resale range · estimated
Potential value gap
-€9.1M – €671k
Model value − acquisition

Value picture

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

Estimated acquisition€5.4M – €12.2M
Model value (performance-implied)€3.0M – €6.1M
Projected value (24 months)€4.2M – €15.8M
Dashed line: current market value (€10.0M). Bars are 20–80% model ranges; tick = median.

The model rates Tiago Santos's performance-implied value at EUR 3.0M-6.1M, below the estimated acquisition range of EUR 5.4M-12.2M. Its 24-month market value projection is EUR 4.2M-15.8M. Confidence is low: no event-level data (xG, progressive actions) is available from the current free source, and injury history is unavailable.

Bargain Index: not assigned

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

Insufficient sample (< 900 league minutes)

PerformanceAbove average57.5th pct among DEF peers (age-neutral)
AgeFavorable23.9 years
Acquisition costFavorableest. €8.4M vs market €10.0M
Expected appreciationLow-26% over ~2 years (model)
Value gapVery negativeweak predictor on its own
DevelopmentModerate
League translationBig-five leagueleague coefficient 0.88
Tactical fitNot evaluatedRequires event/role data not available from the current free source.
RiskHigh
Data confidenceLow

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: €15.0M

Profile vs positional peers

Percentiles among 1269 evaluated DEF players with 900+ minutes.

Performance (last season, league)

Minutes
709 (23% of available)
Goals + assists / 90
0.13
Context-adjusted G+A / 90
0.12
xG, xA, progression
Data unavailable
Defensive actions
Data unavailable
Performance percentile
58 (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
0.88 (rank 5)
Team strength (Elo)
1547
Opponent strength
1501
Possession, role
Data unavailable

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

Potential

Development
Moderate
Trajectory
insufficient
Breakout probability
Age > 23
Resale range (24m)
€4.2M – €15.8M

Historical comparables (8): median 2-year value change +0% (IQR -58% to +44%).

Risk profile

Overall: High

  • ▲Small sample: 709 league minutes last season.
  • ⚠Projection range wider than for most evaluated players.
  • ⚠Played under 40% of available league minutes (injury data unavailable, cause unknown).
  • ⓘ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).

Already playing in a big-five league.

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.
2025/26LOSC LilleLigue 1RB1570923%010.130.12150115470.88
2024/25LOSC LilleLigue 1RB740513%010.220.13143415940.88
2023/24LOSC LilleLigue 1RB29236377%120.110.10145915520.87
2022/23GD Estoril PraiaLiga PortugalRB30242479%060.220.20139912520.68

Cups & continental competitions

SeasonCompetitionClubAppsMinGAAvg opp. Elo
2025/26Uefa Europa LeagueLOSC Lille11568011504
2024/25Uefa Champions League QualifyingLOSC Lille4348101599
2024/25Uefa Champions LeagueLOSC Lille2116001840
2023/24Uefa Conference League QualifyingLOSC Lille2186001517

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
Dalbert
Serie A · 2019
26€10.0M€4.0Mfell
Davide Santon
Serie A · 2016
25€7.0M€3.0Mfell
Djed Spence
Ligue 1 · 2023
23€10.0M€20.0Mrose
Jon Pacheco
Laliga · 2023
22€6.0M€6.0Mflat
Abner
Laliga · 2023
23€7.0M€7.0Mflat
Diogo Dalot
Serie A · 2021
22€10.0M€40.0Mrose
Yannik Keitel
Bundesliga · 2024
24€5.0M€2.0Mfell
Luca Pellegrini
Serie A · 2024
25€3.5M€4.5Mrose

Transfer history

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

DateFromToFeeMV at time
5 Jul 2023EstorilLille€6.5M€3.5M
1 Aug 2022Estoril U23EstorilUnknownData unavailable
15 Jan 2022Sporting CP U23Estoril U23Free / loanData unavailable
1 Jul 2020Sporting U19Sporting CP U23UnknownData unavailable
1 Jul 2019Sacavenense S17Estoril U19Free / loanData unavailable
1 Jul 2018Oeiras S17Sacavenense S17Free / loanData unavailable
1 Jul 2017Sporting Sub-15Oeiras S17Free / loanData unavailable
1 Jul 2015Sporting Yth.Sporting Sub-15UnknownData 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.

Tiago Santos · MoneyballAI