Óscar Trejo
38 yrs · Attacking midfielder · Argentina
Rayo Vallecano · Laliga · Foot: right · Height: 180 cm
Contract: Data unavailable
No model evaluation for this player. MoneyballAI evaluates players with at least 450 league minutes last season in leagues where match-level player data is available from the current free source (14 European top divisions). Market value and transfer history are still shown below.
Market value
€300k
Updated 7 days ago
Estimated acquisition
—
Estimated · 20–80% range
Model value
—
Performance-implied · estimated
Projected (24m)
—
Resale range · estimated
Potential value gap
—
Model value − acquisition
Market value history
Market value ≠ transfer fee ≠ acquisition cost.
Highest recorded: €4.0M
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 | Rayo Vallecano | Laliga | AM | 7 | 139 | 4% | 0 | 1 | 0.65 | 0.57 | 1490 | 1518 | 0.95 |
| 2024/25 | Rayo Vallecano | Laliga | AM | 19 | 489 | 14% | 1 | 0 | 0.18 | 0.36 | 1501 | 1440 | 0.95 |
| 2023/24 | Rayo Vallecano | Laliga | AM | 31 | 1416 | 41% | 0 | 0 | 0.00 | 0.21 | 1504 | 1401 | 1.00 |
| 2022/23 | Rayo Vallecano | Laliga | AM | 34 | 2165 | 63% | 3 | 4 | 0.29 | 0.40 | 1504 | 1398 | 0.98 |
| 2021/22 | Rayo Vallecano | Laliga | AM | 32 | 2022 | 59% | 3 | 9 | 0.53 | 0.63 | 1545 | 1389 | 1.05 |
| 2018/19 | Rayo Vallecano | Laliga | AM | 26 | 1774 | 52% | 1 | 4 | 0.25 | 0.37 | 1545 | 1396 | 1.14 |
| 2016/17 | FC Toulouse | Ligue 1 | AM | 29 | 2322 | 68% | 2 | 5 | 0.27 | 0.35 | 1440 | 1403 | 0.88 |
| 2015/16 | FC Toulouse | Ligue 1 | AM | 34 | 2180 | 64% | 4 | 4 | 0.33 | 0.42 | 1448 | 1380 | 0.78 |
| 2014/15 | FC Toulouse | Ligue 1 | AM | 31 | 2124 | 62% | 4 | 3 | 0.30 | 0.35 | 1428 | 1343 | 0.80 |
| 2013/14 | FC Toulouse | Ligue 1 | AM | 32 | 2074 | 61% | 2 | 1 | 0.13 | 0.23 | 1480 | 1395 | 0.79 |
Cups & continental competitions
| Season | Competition | Club | Apps | Min | G | A | Avg opp. Elo |
|---|---|---|---|---|---|---|---|
| 2025/26 | Copa Del Rey | Rayo Vallecano | 3 | 235 | 1 | 0 | — |
| 2025/26 | Uefa Conference League Qualifying | Rayo Vallecano | 2 | 128 | 0 | 0 | 1286 |
| 2024/25 | Copa Del Rey | Rayo Vallecano | 4 | 305 | 3 | 1 | — |
| 2023/24 | Copa Del Rey | Rayo Vallecano | 1 | 24 | 0 | 0 | — |
| 2022/23 | Copa Del Rey | Rayo Vallecano | 3 | 141 | 0 | 1 | — |
| 2021/22 | Copa Del Rey | Rayo Vallecano | 6 | 351 | 1 | 0 | — |
| 2018/19 | Copa Del Rey | Rayo Vallecano | 1 | 82 | 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.
No comparables computed for this player.
Transfer history
Fees as reported by the source; undisclosed fees shown as unknown, never estimated.
| Date | From | To | Fee | MV at time |
|---|---|---|---|---|
| 1 Jul 2026 | Rayo Vallecano | Without Club | Unknown | €300k |
| 1 Jul 2017 | Toulouse | Rayo Vallecano | Free / loan | €2.5M |
| 19 Jul 2013 | Sporting Gijón | Toulouse | €2.1M | €2.0M |
| 1 Jul 2011 | RCD Mallorca | Sporting Gijón | €1.0M | €1.5M |
| 30 Jun 2011 | Rayo Vallecano | RCD Mallorca | Free / loan | €1.5M |
| 16 Aug 2010 | RCD Mallorca | Rayo Vallecano | Free / loan | €1.4M |
| 30 Jun 2010 | Elche CF | RCD Mallorca | Free / loan | €1.4M |
| 25 Aug 2009 | RCD Mallorca | Elche CF | Free / loan | €1.8M |
| 31 Jan 2007 | Boca Juniors | RCD Mallorca | €2.5M | Data unavailable |
| 1 Jul 2005 | CABJ U20 | Boca Juniors | 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.