Domestic-league season · Bristol Rovers.
| Competition | Apps | G | A | Min | Match |
|---|---|---|---|---|---|
 League Two | 42 | 2 | 3 | 3440 | 6.88 |
 EFL Trophy | 4 | 0 | 0 | 298 | 6.85 |
 League Cup | 1 | 0 | 0 | 45 | 6.9 |
Following his move to Bristol Rovers, Sparkes's current-season form is up 200% on last season (Season 8→24), while his Rating eased 42→31. His peak season for form remains 2023/24 (Season 30).
| Season | Club | Apps | G | A | Match | RTG | Season |
|---|---|---|---|---|---|---|---|
| 2025/26 | Bristol Rovers · 14th | 42 | 2 | 3 | 6.88 | 31 | 24 |
| 2024/25 | Peterborough · 18th | 21 | 0 | 2 | 6.8 | 42 | 8 |
| 2023/24 | Portsmouth · 1st | 38 | 0 | 6 | 7 | 50 | 30 |
| 2022/23 | Exeter City · 14th | 35 | 1 | 2 | 6.72 | 46 | 22 |
| 2021/22 | Exeter City · 2nd | 3 | 0 | 1 | 6.84 | 32 | 3 |
| 2020/21 | Exeter City · 9th | 42 | 3 | 4 | 6.78 | 36 | 23 |
Domestic-league totals per season. RTG = Field Insider Rating (potential / ceiling); Season = age-blind form that year.
J. Sparkes is a 26-year-old full-back at Bristol Rovers, rated 30.5 overall by Field Insider's model, ranking 139th of 478 in the League Two. In his prime years, he has been an ever-present this season (83.1% of available minutes). His defensive output reads 2.7 tackles, blocks and interceptions per 90. Below: strengths, watch-points, market-value outlook and the latest transfer news on Sparkes.
Judged on this season alone, Sparkes graded 24 — a strong campaign that ranks top 23% of the 83 full-backs in the League Two, on 9 clean sheets and 2.695 defensive actions per 90.
Year-on-year, that's a clear step up on last season (Season 8 → 24). Over the 6 seasons on record his form has held fairly steady, peaking in 2023/24.
On long-term talent our Rating reads 31, top 37% of the 83 full-backs in the League Two. At 26 Sparkes is in his prime years, and a market index of 9.2 reflects that trajectory.
Sparkes is operating at his career peak — the 2023/24 level is the level.
2.7 tackles, blocks & interceptions per 90 — moderate defensive volume, with 9 clean sheets across 42 appearances. Going forward he chipped in 2 goals and 3 assists — a useful bonus from the back.
With a Rating of 30.5, Sparkes carries the 30th-highest potential of the full-backs in the League Two (top 37%). Defensively he reads as moderate defensive volume (2.7 tackles, blocks & interceptions 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 (~9), then tapers with age. At 26, Sparkes sits on 9.2, at or near its peak. The blue line is Sparkes's projected Rating — 30.5 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.
