
Woo-yeong Jeong
Value picture
Where the market, the likely price and the model estimates sit.
The model rates Woo-yeong Jeong's performance-implied value at EUR 2.5M-6.3M, above the estimated acquisition range of EUR 1.4M-4.5M. Its 24-month market value projection is EUR 1.5M-3.9M. Context-adjusted goal contributions are 1.13x the positional average in the league (1193 minutes, league coefficient 0.94). Confidence is medium: no event-level data (xG, progressive actions) is available from the current free source, and injury history is unavailable.
Acquisition note: Contract end date unavailable: range widened by 15% each side.
Bargain Index: 53
What drives the score. Not a black box: each component and its level.
| Performance | Above average | 58.2th pct among MID peers (age-neutral) |
| Age | Neutral | 26.8 years |
| Acquisition cost | Favorable | est. €2.6M vs market €3.5M |
| Expected appreciation | Low | -24% over ~2 years (model) |
| Value gap | Large | weak predictor on its own |
| Development | Low | |
| League translation | Big-five league | league coefficient 0.94 |
| 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 1163 evaluated MID players with 900+ minutes.
Performance (last season, league)
- Minutes
- 1193 (39% of available)
- Goals + assists / 90
- 0.38
- Context-adjusted G+A / 90
- 0.45
- 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
- 0.94 (rank 3)
- Team strength (Elo)
- 1392
- Opponent strength
- 1492
- 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)
- €1.5M – €3.9M
Historical comparables (8): median 2-year value change -35% (IQR -50% to -19%).
Risk profile
Overall: Moderate
- ⚠Limited sample: 1193 league minutes last season.
- ⚠Played under 40% of available league minutes (injury data unavailable, cause unknown).
- ⓘContract end date unavailable (or stale in source).
- ⓘ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 | 1.FC Union Berlin | Bundesliga | AM | 28 | 1193 | 39% | 4 | 1 | 0.38 | 0.45 | 1492 | 1392 | 0.94 |
| 2024/25 | 1.FC Union Berlin | Bundesliga | AM | 23 | 1271 | 42% | 3 | 2 | 0.35 | 0.42 | 1524 | 1394 | 0.94 |
| 2023/24 | VfB Stuttgart | Bundesliga | AM | 26 | 619 | 20% | 2 | 3 | 0.73 | 0.45 | 1511 | 1637 | 1.01 |
| 2022/23 | SC Freiburg | Bundesliga | SS | 26 | 639 | 21% | 1 | 2 | 0.42 | 0.47 | 1526 | 1561 | 1.04 |
| 2021/22 | SC Freiburg | Bundesliga | AM | 32 | 1791 | 59% | 5 | 2 | 0.35 | 0.32 | 1510 | 1543 | 1.05 |
| 2020/21 | SC Freiburg | Bundesliga | RW | 26 | 814 | 27% | 4 | 0 | 0.44 | 0.36 | 1501 | 1492 | 1.06 |
| 2018/19 | Borussia Mönchengladbach | Bundesliga | AM | 1 | 4 | 0% | 0 | 0 | 0.00 | 0.52 | 1839 | 1528 | 1.05 |
Cups & continental competitions
| Season | Competition | Club | Apps | Min | G | A | Avg opp. Elo |
|---|---|---|---|---|---|---|---|
| 2025/26 | Dfb Pokal | 1.FC Union Berlin | 3 | 148 | 1 | 0 | — |
| 2023/24 | Dfb Pokal | VfB Stuttgart | 3 | 96 | 0 | 0 | — |
| 2022/23 | Uefa Europa League | SC Freiburg | 5 | 251 | 1 | 1 | 1438 |
| 2022/23 | Dfb Pokal | SC Freiburg | 3 | 151 | 0 | 0 | — |
| 2021/22 | Dfb Pokal | SC Freiburg | 5 | 298 | 0 | 0 | — |
| 2020/21 | Dfb Pokal | SC Freiburg | 2 | 145 | 0 | 0 | — |
| 2019/20 | Dfb Pokal | SC Freiburg | 1 | 33 | 0 | 0 | — |
| 2018/19 | Uefa Champions League | Bayern Munich | 1 | 9 | 0 | 0 | 1619 |
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 |
|---|---|---|---|---|
| Unai López Laliga · 2023 | 28 | €3.5M | €2.5M | fell |
| Andrei Girotto Ligue 1 · 2019 | 27 | €3.0M | €4.0M | rose |
| Stefan Reinartz Bundesliga · 2016 | 27 | €4.0M | €4.0M | flat |
| Alexandru Maxim Bundesliga · 2016 | 26 | €4.0M | €2.0M | fell |
| Niklas Schmidt Ligue 1 · 2024 | 26 | €3.0M | €1.5M | fell |
| Alejandro Faurlín Premier League · 2013 | 27 | €3.3M | €2.5M | fell |
| Edgar Prib Bundesliga · 2016 | 27 | €2.5M | €1.5M | fell |
| Yacouba Sylla Ligue 1 · 2017 | 27 | €1.8M | €700k | 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 | Stuttgart | Union Berlin | €4.0M | €4.0M |
| 30 Jun 2025 | Union Berlin | Stuttgart | Free / loan | €4.0M |
| 27 Aug 2024 | Stuttgart | Union Berlin | Free / loan | €3.5M |
| 11 Jul 2023 | Freiburg | Stuttgart | €3.8M | €3.5M |
| 5 Jul 2020 | FC Bayern II | Freiburg | Free / loan | €1.8M |
| 29 Jan 2020 | Freiburg | FC Bayern II | Free / loan | €2.0M |
| 1 Jul 2019 | FC Bayern II | Freiburg | €2.0M | €2.0M |
| 1 Jul 2018 | FC Bayern U19 | FC Bayern II | Unknown | Data unavailable |
| 2 Jan 2018 | Incheon Utd. | FC Bayern U19 | €700k | Data unavailable |
| 1 Jan 2018 | Incheon Utd U18 | Incheon Utd. | Unknown | Data unavailable |
| 1 Jan 2015 | Incheon Utd U15 | Incheon Utd U18 | Unknown | Data unavailable |
| 1 Jan 2012 | Incheon Yth. | Incheon Utd U15 | Unknown | Data unavailable |
| 1 Jan 2010 | Seoknamseo ES | Incheon Yth. | Unknown | Data unavailable |
| 1 Jan 2009 | LHT F. School | Seoknamseo ES | Unknown | Data unavailable |
| 1 Jan 2008 | Without Club | LHT F. School | 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.