Domestic-league season · Leyton Orient.
| Competition | Apps | G | A | Min | Match |
|---|---|---|---|---|---|
 League One | 33 | 3 | 2 | 1385 | 6.6 |
 EFL Trophy | 3 | 0 | 1 | 206 | 6.7 |
 FA Cup | 2 | 0 | 0 | 84 | 6.55 |
| Africa Cup of Nations Qualificationat Sierra Leone | 2 | 0 | 0 | 79 | 6.7 |
Following his move to Leyton Orient, Koroma's current-season form is down 60% on last season (Season 30→12), while his Rating eased 47→34. His peak season for form remains 2024/25 (Season 30).
| Season | Club | Apps | G | A | Match | RTG | Season |
|---|---|---|---|---|---|---|---|
| 2025/26 | Leyton Orient · 20th | 33 | 3 | 2 | 6.6 | 34 | 12 |
| 2024/25 | Huddersfield · 10th | 37 | 11 | 2 | 6.86 | 47 | 30 |
| 2023/24 | Huddersfield · 23rd | 40 | 6 | 2 | 6.97 | 63 | 24 |
| 2022/23 | Portsmouth · 8th | 16 | 2 | 1 | 6.71 | 44 | 7 |
| 2021/22 | Huddersfield · 3rd | 34 | 4 | 2 | 6.67 | 68 | 17 |
| 2020/21 | Huddersfield · 20th | 20 | 8 | 2 | 7.07 | 66 | 25 |
Domestic-league totals per season. RTG = Field Insider Rating (potential / ceiling); Season = age-blind form that year.
J. Koroma is a 27-year-old centre-forward at Leyton Orient, rated 34 overall by Field Insider's model, ranking 305th of 482 in the League One. In his prime years, he has been a fringe squad member this season (33.5% of available minutes). He brings 0.33 goal contributions per 90 (0.2 goals, 0.13 assists). Below: strengths, watch-points, market-value outlook and the latest transfer news on Koroma.
Judged on this season alone, Koroma graded 12 — a workmanlike campaign that ranks 45th of 60 of the 60 centre-forwards in the League One, on 3 goals and 2 assists in 33 appearances (0.325 involvements per 90).
Year-on-year, that's a drop on last season (Season 30 → 12). Over the 6 seasons on record his form has drifted down, peaking in 2024/25.
On long-term talent our Rating reads 34, 35th of 60 of the 60 centre-forwards in the League One. At 27 Koroma is in his prime years, and a market index of 21.1 reflects that trajectory.
Past his 2024/25 peak — the recent trend is downward, so buyers are paying for what's left, not what was.
3 goals in 33 appearances (0.09 per game) — light end product the role wants to see climb. Add 2 assists for 5 goal contributions in all.
With a Rating of 34, Koroma carries the 35th-highest potential of the centre-forwards in the League One of 60, and he is posting that for a lower-table side (Leyton Orient finished 20th of 24) — individual numbers are harder to earn on a struggling team, so his underlying level likely sits a touch above the ranking. In the final third he profiles as a work-in-progress on end product (0.33 goal contributions per 90). In the prime window — at or near peak market value, so the next two seasons are the ones to cash in or build around.
Generated from Field Insider's rating model · AI-written analysis to follow.
The gold line is market value — an index (not €) blending rating, age and league. It climbs through the early 20s, peaks around ages 23–27 (~21), then tapers with age. At 27, Koroma sits on 21.1, at or near its peak. The blue line is Koroma's projected Rating — 34 today — recomputed at each age, so it follows the same rise-and-fall as a career matures and declines. Solid = up to today; dashed = projected.
No transfer news found for this player.
