
Issiaga Sylla
Value picture
Where the market, the likely price and the model estimates sit.
The model rates Issiaga Sylla's performance-implied value at EUR 0.2M-0.4M, above the estimated acquisition range of EUR 0.2M-0.6M. Its 24-month market value projection is EUR 0.2M-0.5M. Confidence is medium: no event-level data (xG, progressive actions) is available from the current free source, and injury history is unavailable.
Acquisition note: Final year of contract: selling club's leverage is reduced.
Bargain Index: 40
What drives the score. Not a black box: each component and its level.
| Performance | Below average | 26.7th pct among DEF peers (age-neutral) |
| Age | Unfavorable | 32.5 years |
| Acquisition cost | Very favorable | est. €231k vs market €700k |
| Expected appreciation | Very low | -54% over ~2 years (model) |
| Value gap | Large | weak predictor on its own |
| Development | Low | |
| League translation | Uncertain | league coefficient 0.43 |
| Tactical fit | Not evaluated | Requires event/role data not available from the current free source. |
| Risk | Very High | |
| 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
- 1453 (62% of available)
- Goals + assists / 90
- 0.00
- Context-adjusted G+A / 90
- 0.08
- xG, xA, progression
- Data unavailable
- Defensive actions
- Data unavailable
- Performance percentile
- 27 (Below 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
- 0.42 (rank 16)
- Team strength (Elo)
- 1138
- Opponent strength
- 1239
- Possession, role
- Data unavailable
League strength 1.00 = average club of the big-five leagues. Elo includes continental matches.
Potential
- Development
- Low
- Trajectory
- stable
- Breakout probability
- Age > 23
- Resale range (24m)
- €213k – €524k
Trajectory drivers: minutes share up 25 pts; changed club; team strength down (-98 Elo); league level down (-186 Elo); relative output down 37% vs positional peers.
Historical comparables (8): median 2-year value change -34% (IQR -60% to -28%).
Risk profile
Overall: Very High
- ▲Age 32: resale value typically declines.
- ⚠Limited sample: 1453 league minutes last season.
- ⚠League level coefficient 0.43 (1.00 = big-five average): output may not translate.
- ⚠No continental-competition minutes last season.
- ⚠Contract ends in 12 months: cheaper, but competition and wage demands likely.
- ⓘ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
- 25 (DEF)
- Relative output kept
- 55%–230%
- Held a regular role (900+ min)
- 68%
- 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.
| 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 | A.G.S Asteras Tripolis | Super League 1 | LB | 18 | 1453 | 62% | 0 | 0 | 0.00 | 0.08 | 1239 | 1138 | 0.43 |
| 2024/25 | Montpellier HSC | Ligue 1 | LB | 19 | 1133 | 37% | 1 | 0 | 0.08 | 0.13 | 1439 | 1236 | 0.88 |
| 2023/24 | Montpellier HSC | Ligue 1 | LB | 19 | 1457 | 48% | 1 | 2 | 0.19 | 0.17 | 1469 | 1434 | 0.87 |
| 2022/23 | FC Toulouse | Ligue 1 | LB | 17 | 1376 | 40% | 0 | 0 | 0.00 | 0.09 | 1447 | 1347 | 0.82 |
| 2022/23 | Montpellier HSC | Ligue 1 | LB | 15 | 1305 | 38% | 1 | 3 | 0.28 | 0.26 | 1421 | 1440 | 0.82 |
| 2020/21 | RC Lens | Ligue 1 | LM | 20 | 1117 | 33% | 1 | 0 | 0.08 | 0.15 | 1447 | 1371 | 0.75 |
| 2019/20 | FC Toulouse | Ligue 1 | LB | 28 | 2520 | 100% | 0 | 2 | 0.07 | 0.14 | 1432 | 1210 | 0.82 |
| 2018/19 | FC Toulouse | Ligue 1 | LB | 24 | 1993 | 58% | 2 | 0 | 0.09 | 0.15 | 1464 | 1317 | 0.82 |
| 2017/18 | FC Toulouse | Ligue 1 | LB | 25 | 1597 | 47% | 1 | 3 | 0.23 | 0.27 | 1470 | 1352 | 0.85 |
| 2016/17 | FC Toulouse | Ligue 1 | LM | 27 | 1678 | 49% | 1 | 1 | 0.11 | 0.14 | 1440 | 1403 | 0.88 |
| 2015/16 | GFC Ajaccio | Ligue 1 | LB | 34 | 2695 | 79% | 0 | 4 | 0.13 | 0.19 | 1454 | 1291 | 0.78 |
| 2014/15 | FC Toulouse | Ligue 1 | LM | 12 | 744 | 22% | 1 | 1 | 0.24 | 0.25 | 1397 | 1343 | 0.80 |
| 2013/14 | FC Toulouse | Ligue 1 | LM | 32 | 2447 | 72% | 3 | 1 | 0.15 | 0.21 | 1480 | 1395 | 0.79 |
| 2012/13 | FC Toulouse | Ligue 1 | LB | 4 | 233 | 7% | 1 | 0 | 0.39 | 0.20 | 1458 | 1479 | 0.88 |
Cups & continental competitions
| Season | Competition | Club | Apps | Min | G | A | Avg opp. Elo |
|---|---|---|---|---|---|---|---|
| 2025/26 | Kypello Elladas | A.G.S Asteras Tripolis | 1 | 90 | 0 | 0 | — |
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 |
|---|---|---|---|---|
| Sofyane Cherfa Super League 1 · 2016 | 32 | €400k | €50k | fell |
| Vitaliy Yermakov Premier Liga · 2022 | 30 | €400k | €250k | fell |
| Emanuel Sakic Super League 1 · 2023 | 32 | €250k | €100k | fell |
| Paul Dixon Scottish Premiership · 2016 | 30 | €450k | €325k | fell |
| Federico Ceccherini Super Lig · 2024 | 32 | €1.0M | €400k | fell |
| Apostolos Skondras Super League 1 · 2019 | 31 | €350k | €250k | fell |
| Keith Watson Scottish Premiership · 2023 | 34 | €300k | €250k | flat |
| Kyriakos Papadopoulos Super League 1 · 2022 | 30 | €500k | €350k | fell |
Transfer history
Fees as reported by the source; undisclosed fees shown as unknown, never estimated.
| Date | From | To | Fee | MV at time |
|---|---|---|---|---|
| 15 Jul 2025 | Montpellier | Asteras Aktor | Free / loan | €1.5M |
| 31 Jan 2023 | Toulouse | Montpellier | Free / loan | €2.0M |
| 30 Jun 2021 | Lens | Toulouse | Free / loan | €2.0M |
| 13 Aug 2020 | Toulouse | Lens | Free / loan | €2.8M |
| 30 Jun 2016 | G. Ajaccio | Toulouse | Free / loan | €2.0M |
| 4 Jul 2015 | Toulouse | G. Ajaccio | Free / loan | €1.5M |
| 4 Sept 2012 | Horoya AC | Toulouse | Unknown | Data unavailable |
| 1 Jul 2011 | Horoya AC U19 | Horoya AC | 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.