Mathieu Debuchy
41 yrs · Centre-back (also RB) · France
AS Saint-Étienne · Ligue 1 · Foot: right · Height: 177 cm
Contract: until 30 Jun 2023
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 6 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: €15.0M
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. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020/21 | AS Saint-Étienne | Ligue 1 | RB | 26 | 2108 | 62% | 2 | 1 | 0.13 | 0.16 | 1444 | 1371 | 0.75 |
| 2019/20 | AS Saint-Étienne | Ligue 1 | RB | 21 | 1770 | 70% | 1 | 1 | 0.10 | 0.13 | 1425 | 1383 | 0.82 |
| 2018/19 | AS Saint-Étienne | Ligue 1 | RB | 24 | 1947 | 57% | 4 | 4 | 0.37 | 0.28 | 1454 | 1519 | 0.82 |
| 2017/18 | AS Saint-Étienne | Ligue 1 | RB | 15 | 1316 | 38% | 4 | 0 | 0.27 | 0.21 | 1467 | 1468 | 0.85 |
| 2016/17 | Arsenal FC | Premier League | RB | 1 | 16 | 0% | 0 | 0 | 0.00 | 0.07 | 1442 | 1681 | 1.07 |
| 2015/16 | FC Girondins Bordeaux | Ligue 1 | RB | 9 | 783 | 23% | 0 | 0 | 0.00 | 0.07 | 1452 | 1405 | 0.78 |
| 2015/16 | Arsenal FC | Premier League | RB | 2 | 144 | 4% | 0 | 0 | 0.00 | 0.07 | 1527 | 1678 | 1.08 |
| 2014/15 | Arsenal FC | Premier League | RB | 10 | 808 | 24% | 1 | 0 | 0.11 | 0.09 | 1553 | 1729 | 1.06 |
| 2013/14 | Newcastle United | Premier League | RB | 29 | 2495 | 73% | 1 | 4 | 0.18 | 0.17 | 1541 | 1463 | 1.12 |
| 2012/13 | LOSC Lille | Ligue 1 | CB | 15 | 1326 | 39% | 0 | 1 | 0.07 | 0.07 | 1453 | 1520 | 0.88 |
| 2012/13 | Newcastle United | Premier League | CB | 14 | 1168 | 34% | 0 | 0 | 0.00 | 0.03 | 1505 | 1484 | 1.07 |
Cups & continental competitions
| Season | Competition | Club | Apps | Min | G | A | Avg opp. Elo |
|---|---|---|---|---|---|---|---|
| 2019/20 | Uefa Europa League | AS Saint-Étienne | 4 | 330 | 0 | 1 | 1451 |
| 2017/18 | Uefa Europa League | Arsenal FC | 4 | 354 | 1 | 0 | 1427 |
| 2017/18 | Fa Cup | Arsenal FC | 1 | 87 | 0 | 0 | — |
| 2015/16 | Uefa Champions League | Arsenal FC | 3 | 188 | 0 | 0 | 1636 |
| 2014/15 | Uefa Champions League Qualifying | Arsenal FC | 2 | 165 | 0 | 0 | 1555 |
| 2014/15 | Fa Cup | Arsenal FC | 1 | 120 | 0 | 0 | — |
| 2014/15 | Community Shield | Arsenal FC | 1 | 90 | 0 | 0 | 1788 |
| 2014/15 | Uefa Champions League | Arsenal FC | 1 | 77 | 0 | 0 | 1522 |
| 2012/13 | Uefa Champions League | LOSC Lille | 3 | 261 | 0 | 0 | 1530 |
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 |
|---|---|---|---|---|
| No transfers recorded. | ||||
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.