João Mário

26 yrs · Right-back (also LM, RM) · Portugal
Juventus FC · Serie A · Foot: right · Height: 178 cm
Risk: ModerateConfidence: MediumSample: MediumDevelopment: LowContract: until 30 Jun 2030
Market value
€8.0M
Updated 6 days ago
Estimated acquisition
€3.4M – €8.3M
Estimated · 20–80% range
Model value
€2.8M – €7.0M
Performance-implied · estimated
Projected (24m)
€3.1M – €8.8M
Resale range · estimated
Potential value gap
-€5.5M – €3.6M
Model value − acquisition

Value picture

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

Estimated acquisition€3.4M – €8.3M
Model value (performance-implied)€2.8M – €7.0M
Projected value (24 months)€3.1M – €8.8M
Dashed line: current market value (€8.0M). Bars are 20–80% model ranges; tick = median.

The model rates João Mário's performance-implied value at EUR 2.8M-7.0M, below the estimated acquisition range of EUR 3.4M-8.3M. Its 24-month market value projection is EUR 3.1M-8.8M. Confidence is medium: no event-level data (xG, progressive actions) is available from the current free source, and injury history is unavailable.

Bargain Index: 11

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

PerformanceAbove average65.3th pct among DEF peers (age-neutral)
AgeNeutral26.5 years
Acquisition costFavorableest. €6.5M vs market €8.0M
Expected appreciationVery low-45% over ~2 years (model)
Value gapVery negativeweak predictor on its own
DevelopmentLow
League translationBig-five leagueleague coefficient 0.93
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: €16.0M

Profile vs positional peers

Percentiles among 1268 evaluated DEF players with 900+ minutes.

Performance (last season, league)

Minutes
994 (29% of available)
Goals + assists / 90
0.09
Context-adjusted G+A / 90
0.14
xG, xA, progression
Data unavailable
Defensive actions
Data unavailable
Performance percentile
65 (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
0.93 (rank 4)
Team strength (Elo)
1546
Opponent strength
1438
Possession, role
Data unavailable

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

Potential

Development
Low
Trajectory
declining
Breakout probability
Age > 23
Resale range (24m)
€3.1M – €8.8M

Trajectory drivers: minutes share down 29 pts; changed club; league level up (+159 Elo).

Historical comparables (8): median 2-year value change -22% (IQR -37% to -10%).

Risk profile

Overall: Moderate

  • ⚠Limited sample: 994 league minutes last season.
  • ⚠Played under 40% of available league minutes (injury data unavailable, cause unknown).
  • ⚠Declining trajectory versus previous season.
  • ⓘ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.
2025/26Bologna Football Club 1909Serie ARB1074122%100.120.14143815230.93
2025/26Juventus FCSerie ARM102537%000.000.14143416140.93
2024/25FC PortoLiga PortugalRB27176958%030.150.12133615080.51
2023/24FC PortoLiga PortugalRB27207668%210.130.08135816280.58
2022/23FC PortoLiga PortugalRB18119539%140.380.11138017440.68
2021/22FC PortoLiga PortugalRB28207568%020.090.05136216920.67
2020/21FC PortoLiga PortugalRB1437112%231.210.25129016800.61
2019/20FC PortoLiga PortugalLM2100%000.000.24153916090.59

Cups & continental competitions

SeasonCompetitionClubAppsMinGAAvg opp. Elo
2025/26Uefa Europa LeagueBologna Football Club 19095430101599
2025/26Uefa Champions LeagueJuventus FC2104011621
2025/26Italy CupJuventus FC11600—
2024/25Uefa Europa LeagueFC Porto8584021571
2024/25Supercup Candido De OliveiraFC Porto163001675
2023/24Uefa Champions LeagueFC Porto8595011649
2023/24Supercup Candido De OliveiraFC Porto121001718
2022/23Uefa Champions LeagueFC Porto5271001630
2022/23Supercup Candido De OliveiraFC Porto190001286
2021/22Uefa Champions LeagueFC Porto4351001716
2021/22Uefa Europa LeagueFC Porto4221021574
2020/21Uefa Champions LeagueFC Porto283001551

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
Andreas Hanche-Olsen
Bundesliga · 2024
27€9.0M€3.5Mfell
Juan Foyth
Laliga · 2024
26€15.0M€8.0Mfell
Mohammed Salisu
Ligue 1 · 2024
25€15.0M€10.0Mfell
Mateo Musacchio
Serie A · 2018
28€12.5M€9.0Mfell
Kyle Naughton
Premier League · 2015
27€5.5M€5.0Mflat
Jeremy Toljan
Serie A · 2021
27€5.0M€4.5Mflat
Georgios Kyriakopoulos
Serie A · 2021
25€4.5M€3.8Mflat
Stefan Radu
Serie A · 2016
30€6.0M€6.0Mflat

Transfer history

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

DateFromToFeeMV at time
30 Jun 2026BolognaJuventusFree / loan€8.0M
2 Feb 2026JuventusBolognaFree / loan€8.5M
24 Jul 2025PortoJuventus€12.0M€10.0M
1 Sept 2020FC Porto BPortoUnknown€525k
1 Jul 2018FC Porto U19FC Porto BUnknownData unavailable
1 Jul 2017FC Porto U17FC Porto U19UnknownData unavailable
1 Jul 2016Padroense U17FC Porto U17UnknownData unavailable
1 Jul 2015FC Porto U15Padroense U17UnknownData unavailable
1 Jul 2013FC Porto YouthFC Porto U15UnknownData unavailable
1 Jul 2008Sanjoanense CJFC Porto YouthUnknownData 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.

João Mário · MoneyballAI