Domestic-league season · Northampton.
| Competition | Apps | G | A | Min | Match |
|---|---|---|---|---|---|
 League One | 18 | 0 | 0 | 1294 | 6.56 |
 EFL Trophy | 3 | 0 | 0 | 225 | 7.2 |
Following his move to Northampton, Thorniley's current-season form is up 0% on last season (Season 0→10), while his Rating eased 40→24. His peak season for form remains 2022/23 (Season 24).
| Season | Club | Apps | G | A | Match | RTG | Season |
|---|---|---|---|---|---|---|---|
| 2025/26 | Northampton · 24th | 18 | 0 | 0 | 6.56 | 24 | 10 |
| 2024/25 | Oxford United · 17th | 2 | 0 | 0 | 6.7 | 40 | 0 |
| 2023/24 | Oxford United · 5th | 8 | 0 | 0 | 6.69 | 35 | 6 |
| 2022/23 | Blackpool · 23rd | 30 | 1 | 1 | 6.82 | 59 | 24 |
| 2021/22 | Oxford United · 8th | 21 | 0 | 1 | 7.02 | 44 | 17 |
| 2020/21 | Blackpool · 3rd | 21 | 0 | 2 | 7.05 | 47 | 22 |
Domestic-league totals per season. RTG = Field Insider Rating (potential / ceiling); Season = age-blind form that year.
J. Thorniley is a 29-year-old central defender at Northampton, rated 24.4 overall by Field Insider's model, ranking 385th of 482 in the League One. An experienced operator, he has been a fringe squad member this season (31.3% of available minutes). His defensive output reads 3.13 tackles, blocks and interceptions per 90. Below: strengths, watch-points, market-value outlook and the latest transfer news on Thorniley.
Judged on this season alone, Thorniley graded 10 — a workmanlike campaign that ranks 79th of 89 of the 89 centre-backs in the League One, on 3 clean sheets and 3.13 defensive actions per 90.
Year-on-year, that's a clear step up on last season (Season 0 → 10). Over the 6 seasons on record his form has drifted down, peaking in 2022/23.
On long-term talent our Rating reads 24, 65th of 89 of the 89 centre-backs in the League One. At 29 Thorniley is in his prime years, and a market index of 8.3 reflects that trajectory.
Past his 2022/23 peak — the recent trend is downward, so buyers are paying for what's left, not what was.
3.13 tackles, blocks & interceptions per 90 — moderate defensive volume, with 3 clean sheets across 18 appearances. Doing that for a relegation-threatened side (24th of 24) is harder than the bare numbers suggest: a back line under more pressure has to defend more often and protects fewer leads, so the volume — and any clean sheets — carry real weight.
With a Rating of 24.4, Thorniley carries the 65th-highest potential of the centre-backs in the League One of 89, and he is posting that for a relegation-threatened side (Northampton finished 24th of 24) — individual numbers are harder to earn on a struggling team, so his underlying level likely sits a touch above the ranking. Defensively he reads as moderate defensive volume (3.13 tackles, blocks & interceptions per 90). Experienced and reliable, but the value curve is easing (1.1× now → 0.8× projected in three years).
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 (~15), then tapers with age. At 29, Thorniley sits on 8.3, past its peak and easing. The blue line is Thorniley's projected Rating — 24.4 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.
