Valentin Rosier
Value picture
Where the market, the likely price and the model estimates sit.
The model rates Valentin Rosier's performance-implied value at EUR 3.7M-5.9M, above the estimated acquisition range of EUR 1.1M-3.0M. Its 24-month market value projection is EUR 1.0M-2.7M. Confidence is medium: no event-level data (xG, progressive actions) is available from the current free source, and injury history is unavailable.
Bargain Index: 52
What drives the score. Not a black box: each component and its level.
| Performance | Above average | 73.1th pct among DEF peers (age-neutral) |
| Age | Unfavorable | 29.9 years |
| Acquisition cost | Very favorable | est. €1.7M vs market €3.0M |
| Expected appreciation | Very low | -42% over ~2 years (model) |
| Value gap | Very large | weak predictor on its own |
| Development | Low | |
| League translation | Big-five league | league coefficient 0.95 |
| Tactical fit | Not evaluated | Requires event/role data not available from the current free source. |
| Risk | Low | |
| 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
- 2554 (75% of available)
- Goals + assists / 90
- 0.07
- Context-adjusted G+A / 90
- 0.10
- xG, xA, progression
- Data unavailable
- Defensive actions
- Data unavailable
- Performance percentile
- 73 (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
- 0.95 (rank 2)
- Team strength (Elo)
- 1427
- Opponent strength
- 1491
- 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)
- €1.0M – €2.7M
Trajectory drivers: changed club; relative output down 41% vs positional peers.
Historical comparables (8): median 2-year value change -33% (IQR -51% to -25%).
Risk profile
Overall: Low
- ⚠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 | CA Osasuna | Laliga | RB | 31 | 2554 | 75% | 1 | 1 | 0.07 | 0.10 | 1491 | 1427 | 0.95 |
| 2024/25 | CD Leganés | Laliga | RB | 32 | 2592 | 76% | 1 | 2 | 0.10 | 0.16 | 1515 | 1396 | 0.95 |
| 2023/24 | Beşiktaş Jimnastik Kulübü | Super Lig | RB | 12 | 907 | 27% | 0 | 1 | 0.10 | 0.09 | 1316 | 1336 | 0.45 |
| 2023/24 | OGC Nice | Ligue 1 | RB | 3 | 50 | 2% | 0 | 0 | 0.00 | 0.12 | 1456 | 1511 | 0.87 |
| 2022/23 | Beşiktaş Jimnastik Kulübü | Super Lig | RB | 27 | 2177 | 67% | 1 | 3 | 0.17 | 0.13 | 1295 | 1517 | 0.50 |
| 2021/22 | Beşiktaş Jimnastik Kulübü | Super Lig | RB | 31 | 2621 | 77% | 1 | 4 | 0.17 | 0.13 | 1256 | 1342 | 0.42 |
| 2020/21 | Beşiktaş Jimnastik Kulübü | Super Lig | RB | 33 | 2916 | 81% | 1 | 7 | 0.25 | 0.17 | 1270 | 1408 | 0.37 |
| 2019/20 | Sporting CP | Liga Portugal | RB | 9 | 714 | 23% | 0 | 0 | 0.00 | 0.04 | 1312 | 1492 | 0.59 |
| 2018/19 | Dijon FCO | Ligue 1 | RB | 18 | 1458 | 43% | 0 | 4 | 0.25 | 0.23 | 1429 | 1322 | 0.82 |
| 2017/18 | Dijon FCO | Ligue 1 | RB | 36 | 2794 | 82% | 0 | 3 | 0.10 | 0.11 | 1461 | 1399 | 0.85 |
| 2016/17 | Dijon FCO | Ligue 1 | RB | 3 | 270 | 8% | 0 | 0 | 0.00 | 0.11 | 1382 | 1376 | 0.88 |
Cups & continental competitions
| Season | Competition | Club | Apps | Min | G | A | Avg opp. Elo |
|---|---|---|---|---|---|---|---|
| 2025/26 | Copa Del Rey | CA Osasuna | 1 | 57 | 0 | 0 | — |
| 2024/25 | Copa Del Rey | CD Leganés | 4 | 267 | 0 | 0 | — |
| 2023/24 | Uefa Conference League Qualifying | Beşiktaş Jimnastik Kulübü | 6 | 540 | 0 | 1 | 1336 |
| 2021/22 | Uefa Champions League | Beşiktaş Jimnastik Kulübü | 5 | 405 | 0 | 0 | 1691 |
| 2019/20 | Uefa Europa League | Sporting CP | 5 | 450 | 0 | 0 | 1552 |
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 |
|---|---|---|---|---|
| Henri Bedimo Ligue 1 · 2013 | 29 | €3.5M | €3.0M | flat |
| Dominik Kohr Bundesliga · 2024 | 30 | €3.0M | €2.0M | fell |
| Aleksandre Amisulashvili Premier Liga · 2013 | 31 | €2.0M | €900k | fell |
| Enzo Roco Laliga · 2022 | 30 | €2.0M | €1.5M | fell |
| Sebastien De Maio Serie A · 2016 | 29 | €3.0M | €1.4M | fell |
| Allan Nyom Premier League · 2017 | 29 | €4.5M | €3.0M | fell |
| Alan Hutton Premier League · 2015 | 31 | €2.0M | €1.5M | fell |
| Benno Schmitz Bundesliga · 2023 | 29 | €3.0M | €1.5M | fell |
Transfer history
Fees as reported by the source; undisclosed fees shown as unknown, never estimated.
| Date | From | To | Fee | MV at time |
|---|---|---|---|---|
| 1 Jul 2025 | CD Leganés | CA Osasuna | Free / loan | €3.0M |
| 5 Jul 2024 | Besiktas | CD Leganés | Free / loan | €4.0M |
| 30 Jun 2024 | Nice | Besiktas | Free / loan | €4.0M |
| 18 Jan 2024 | Besiktas | Nice | Free / loan | €5.0M |
| 1 Jul 2022 | Sporting | Besiktas | €4.8M | €6.0M |
| 30 Jun 2022 | Besiktas | Sporting | Free / loan | €6.0M |
| 30 Jul 2021 | Sporting | Besiktas | Free / loan | €7.5M |
| 30 Jun 2021 | Besiktas | Sporting | Free / loan | €7.5M |
| 2 Oct 2020 | Sporting | Besiktas | Free / loan | €4.0M |
| 1 Jul 2019 | Dijon | Sporting | €5.0M | €8.0M |
| 1 Jul 2016 | Rodez AF | Dijon | Free / loan | Data unavailable |
| 1 Jul 2015 | Rodez AF B | Rodez AF | Unknown | Data unavailable |
| 1 Jul 2014 | Rodez AF U19 | Rodez AF B | Unknown | Data unavailable |
| 1 Jul 2013 | Rodez AF U17 | Rodez AF U19 | 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.