
João Mário
Value picture
Where the market, the likely price and the model estimates sit.
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.
| Performance | Above average | 65.3th pct among DEF peers (age-neutral) |
| Age | Neutral | 26.5 years |
| Acquisition cost | Favorable | est. €6.5M vs market €8.0M |
| Expected appreciation | Very low | -45% over ~2 years (model) |
| Value gap | Very negative | weak predictor on its own |
| Development | Low | |
| League translation | Big-five league | league coefficient 0.93 |
| Tactical fit | Not evaluated | Requires event/role data not available from the current free source. |
| Risk | Moderate | |
| Data confidence | Medium |
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.
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.
| Season | Club | League | Pos | Apps | Min | Min share | G | A | G+A/90 | Adj. G+A/90 | Opp. Elo | Team Elo | League str. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025/26 | Bologna Football Club 1909 | Serie A | RB | 10 | 741 | 22% | 1 | 0 | 0.12 | 0.14 | 1438 | 1523 | 0.93 |
| 2025/26 | Juventus FC | Serie A | RM | 10 | 253 | 7% | 0 | 0 | 0.00 | 0.14 | 1434 | 1614 | 0.93 |
| 2024/25 | FC Porto | Liga Portugal | RB | 27 | 1769 | 58% | 0 | 3 | 0.15 | 0.12 | 1336 | 1508 | 0.51 |
| 2023/24 | FC Porto | Liga Portugal | RB | 27 | 2076 | 68% | 2 | 1 | 0.13 | 0.08 | 1358 | 1628 | 0.58 |
| 2022/23 | FC Porto | Liga Portugal | RB | 18 | 1195 | 39% | 1 | 4 | 0.38 | 0.11 | 1380 | 1744 | 0.68 |
| 2021/22 | FC Porto | Liga Portugal | RB | 28 | 2075 | 68% | 0 | 2 | 0.09 | 0.05 | 1362 | 1692 | 0.67 |
| 2020/21 | FC Porto | Liga Portugal | RB | 14 | 371 | 12% | 2 | 3 | 1.21 | 0.25 | 1290 | 1680 | 0.61 |
| 2019/20 | FC Porto | Liga Portugal | LM | 2 | 10 | 0% | 0 | 0 | 0.00 | 0.24 | 1539 | 1609 | 0.59 |
Cups & continental competitions
| Season | Competition | Club | Apps | Min | G | A | Avg opp. Elo |
|---|---|---|---|---|---|---|---|
| 2025/26 | Uefa Europa League | Bologna Football Club 1909 | 5 | 430 | 1 | 0 | 1599 |
| 2025/26 | Uefa Champions League | Juventus FC | 2 | 104 | 0 | 1 | 1621 |
| 2025/26 | Italy Cup | Juventus FC | 1 | 16 | 0 | 0 | — |
| 2024/25 | Uefa Europa League | FC Porto | 8 | 584 | 0 | 2 | 1571 |
| 2024/25 | Supercup Candido De Oliveira | FC Porto | 1 | 63 | 0 | 0 | 1675 |
| 2023/24 | Uefa Champions League | FC Porto | 8 | 595 | 0 | 1 | 1649 |
| 2023/24 | Supercup Candido De Oliveira | FC Porto | 1 | 21 | 0 | 0 | 1718 |
| 2022/23 | Uefa Champions League | FC Porto | 5 | 271 | 0 | 0 | 1630 |
| 2022/23 | Supercup Candido De Oliveira | FC Porto | 1 | 90 | 0 | 0 | 1286 |
| 2021/22 | Uefa Champions League | FC Porto | 4 | 351 | 0 | 0 | 1716 |
| 2021/22 | Uefa Europa League | FC Porto | 4 | 221 | 0 | 2 | 1574 |
| 2020/21 | Uefa Champions League | FC Porto | 2 | 83 | 0 | 0 | 1551 |
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) | Age | Value then | ~2y later | Outcome |
|---|---|---|---|---|
| Andreas Hanche-Olsen Bundesliga · 2024 | 27 | €9.0M | €3.5M | fell |
| Juan Foyth Laliga · 2024 | 26 | €15.0M | €8.0M | fell |
| Mohammed Salisu Ligue 1 · 2024 | 25 | €15.0M | €10.0M | fell |
| Mateo Musacchio Serie A · 2018 | 28 | €12.5M | €9.0M | fell |
| Kyle Naughton Premier League · 2015 | 27 | €5.5M | €5.0M | flat |
| Jeremy Toljan Serie A · 2021 | 27 | €5.0M | €4.5M | flat |
| Georgios Kyriakopoulos Serie A · 2021 | 25 | €4.5M | €3.8M | flat |
| Stefan Radu Serie A · 2016 | 30 | €6.0M | €6.0M | flat |
Transfer history
Fees as reported by the source; undisclosed fees shown as unknown, never estimated.
| Date | From | To | Fee | MV at time |
|---|---|---|---|---|
| 30 Jun 2026 | Bologna | Juventus | Free / loan | €8.0M |
| 2 Feb 2026 | Juventus | Bologna | Free / loan | €8.5M |
| 24 Jul 2025 | Porto | Juventus | €12.0M | €10.0M |
| 1 Sept 2020 | FC Porto B | Porto | Unknown | €525k |
| 1 Jul 2018 | FC Porto U19 | FC Porto B | Unknown | Data unavailable |
| 1 Jul 2017 | FC Porto U17 | FC Porto U19 | Unknown | Data unavailable |
| 1 Jul 2016 | Padroense U17 | FC Porto U17 | Unknown | Data unavailable |
| 1 Jul 2015 | FC Porto U15 | Padroense U17 | Unknown | Data unavailable |
| 1 Jul 2013 | FC Porto Youth | FC Porto U15 | Unknown | Data unavailable |
| 1 Jul 2008 | Sanjoanense CJ | FC Porto Youth | Unknown | Data 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.