
Matt O'Riley
Value picture
Where the market, the likely price and the model estimates sit.
The model rates Matt O'Riley's performance-implied value at EUR 4.6M-15.0M, below the estimated acquisition range of EUR 10.9M-22.0M. Its 24-month market value projection is EUR 7.4M-23.5M. Context-adjusted goal contributions are 1.06x the positional average in the league (942 minutes, league coefficient 0.88). Confidence is medium: no event-level data (xG, progressive actions) is available from the current free source, and injury history is unavailable.
Bargain Index: 23
What drives the score. Not a black box: each component and its level.
| Performance | Above average | 71.7th pct among MID peers (age-neutral) |
| Age | Neutral | 25.6 years |
| Acquisition cost | Neutral | est. €16.4M vs market €18.0M |
| Expected appreciation | Very low | -28% over ~2 years (model) |
| Value gap | Very negative | weak predictor on its own |
| Development | Moderate | |
| League translation | Big-five league | league coefficient 0.88 |
| 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
- 942 (28% of available)
- Goals + assists / 90
- 0.38
- Context-adjusted G+A / 90
- 0.23
- xG, xA, progression
- Data unavailable
- Defensive actions
- Data unavailable
- Performance percentile
- 72 (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
- 0.88 (rank 5)
- Team strength (Elo)
- 1527
- Opponent strength
- 1455
- Possession, role
- Data unavailable
League strength 1.00 = average club of the big-five leagues. Elo includes continental matches.
Potential
- Development
- Moderate
- Trajectory
- declining
- Breakout probability
- Age > 23
- Resale range (24m)
- €7.4M – €23.5M
Trajectory drivers: changed club; team strength down (-71 Elo).
Historical comparables (8): median 2-year value change -12% (IQR -47% to +2%).
Risk profile
Overall: Moderate
- ⚠Limited sample: 942 league minutes last season.
- ⚠Played under 40% of available league minutes (injury data unavailable, cause unknown).
- ⚠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 | Olympique Marseille | Ligue 1 | CM | 15 | 739 | 24% | 1 | 2 | 0.37 | 0.23 | 1455 | 1504 | 0.88 |
| 2025/26 | Brighton & Hove Albion | Premier League | CM | 6 | 203 | 6% | 1 | 0 | 0.44 | 0.23 | 1554 | 1611 | 1.30 |
| 2024/25 | Brighton & Hove Albion | Premier League | CM | 21 | 938 | 27% | 2 | 3 | 0.48 | 0.32 | 1538 | 1614 | 1.23 |
| 2024/25 | Celtic FC | Scottish Premiership | CM | 2 | 180 | 6% | 0 | 1 | 0.50 | 0.14 | 1213 | 1512 | 0.34 |
| 2023/24 | Celtic FC | Scottish Premiership | CM | 32 | 2815 | 95% | 13 | 11 | 0.77 | 0.30 | 1224 | 1511 | 0.34 |
| 2022/23 | Celtic FC | Scottish Premiership | CM | 33 | 2207 | 74% | 3 | 11 | 0.57 | 0.27 | 1290 | 1588 | 0.40 |
| 2021/22 | Celtic FC | Scottish Premiership | CM | 12 | 687 | 23% | 3 | 2 | 0.66 | 0.27 | 1316 | 1575 | 0.50 |
Cups & continental competitions
| Season | Competition | Club | Apps | Min | G | A | Avg opp. Elo |
|---|---|---|---|---|---|---|---|
| 2025/26 | Uefa Champions League | Olympique Marseille | 7 | 364 | 0 | 1 | 1622 |
| 2025/26 | Trophee Des Champions | Olympique Marseille | 1 | 1 | 0 | 0 | 1832 |
| 2024/25 | Fa Cup | Brighton & Hove Albion | 1 | 1 | 0 | 0 | — |
| 2023/24 | Uefa Champions League | Celtic FC | 6 | 487 | 0 | 3 | 1620 |
| 2023/24 | Scottish Fa Cup | Celtic FC | 5 | 480 | 1 | 2 | — |
| 2022/23 | Uefa Champions League | Celtic FC | 6 | 485 | 0 | 0 | 1682 |
| 2022/23 | Scottish Fa Cup | Celtic FC | 5 | 194 | 1 | 2 | — |
| 2021/22 | Scottish Fa Cup | Celtic FC | 2 | 138 | 0 | 0 | — |
| 2021/22 | Fa Cup | Milton Keynes Dons | 1 | 90 | 0 | 1 | — |
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 |
|---|---|---|---|---|
| Giovani Lo Celso Laliga · 2023 | 27 | €14.0M | €15.0M | flat |
| Aleksey Miranchuk Serie A · 2022 | 27 | €10.0M | €10.0M | flat |
| Gaetano Castrovilli Serie A · 2023 | 26 | €10.0M | €1.5M | fell |
| Urby Emanuelson Serie A · 2013 | 27 | €8.8M | €1.3M | fell |
| Dennis Geiger Bundesliga · 2021 | 23 | €10.0M | €8.0M | fell |
| Aïssa Laïdouni Bundesliga · 2023 | 27 | €7.0M | €6.0M | flat |
| Lars Bender Bundesliga · 2017 | 28 | €10.0M | €9.0M | flat |
| Raphaël Guerreiro Bundesliga · 2018 | 25 | €18.0M | €28.0M | rose |
Transfer history
Fees as reported by the source; undisclosed fees shown as unknown, never estimated.
| Date | From | To | Fee | MV at time |
|---|---|---|---|---|
| 2 Feb 2026 | Marseille | Brighton | Free / loan | €20.0M |
| 1 Sept 2025 | Brighton | Marseille | Free / loan | €22.0M |
| 26 Aug 2024 | Celtic | Brighton | €29.5M | €20.0M |
| 20 Jan 2022 | MK Dons | Celtic | €1.8M | €450k |
| 24 Jan 2021 | Without Club | MK Dons | Unknown | €450k |
| 1 Jul 2020 | Fulham | Without Club | Unknown | €450k |
| 1 Jul 2019 | Fulham U23 | Fulham | Unknown | Data unavailable |
| 1 Jul 2017 | Fulham U18 | Fulham U23 | Unknown | Data unavailable |
| 1 Jul 2016 | Fulham Youth | Fulham U18 | 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.