Jamie Shackleton

Shackleton's current-season form is level with last season (Season 0→0), while his Rating held around 46. His peak season for form remains 2022/23 (Season 19).

Domestic career

Season	Club	Apps	A	Match	RTG	Season
2026/27	Sheffield Utd · 15th	1	0	—	46	0
2025/26	Sheffield Utd · 13th	3	0	6.65	46	0
2024/25	Sheffield Utd · 3rd	18	0	6.68	57	7
2023/24	Leeds · 3rd	11	1	6.94	62	9
2022/23	MillwallLoan · 8th	36	0	6.54	64	19

Domestic-league totals per season. RTG = Field Insider Rating (potential / ceiling); Season = age-blind form that year. 4 earlier seasons and 4 youth-team spells in the full career.

England · international

Side	Apps	G
England U20	2	0

Career caps & goals — tournament breakdown in the full career.

Scout report

Squad depthCentral defender

J. Shackleton is a 26-year-old central defender at Sheffield Utd, rated 45.6 overall by Field Insider's model. In his prime years, he has been a fringe squad member this season (0.5% of available minutes). Below: strengths, watch-points, market-value outlook and the latest transfer news on Shackleton.

On the season, Shackleton graded 0 for current form (age-blind), on 0 clean sheets and 0 defensive actions per 90.

Year-on-year, that's broadly in line with last season (Season 0 → 0). Over the 7 seasons on record his form has drifted down, peaking in 2022/23.

On long-term talent our Rating reads 46. At 26 Shackleton is in his prime years, and a market index of 21 reflects that trajectory.

From the career report

Read the full career report →

Past his 2022/23 peak — the recent trend is downward, so buyers are paying for what's left, not what was.

Peak: 2022/23Trending downRemarkably consistentInjury-hit 2025/26

45.6

Ratingi

developing / rotation level

Seasoni

below regular-starter level

0.5%

Minutes

limited game time

Def. actions / 90

light defensive volume

Output in context · Sheffield Utd finished 13th of 24 · a mid-table side

Apps

Def. / 90

—

Tackles

—

Interceptions

Clean sheets

0 tackles, blocks & interceptions per 90 — light defensive volume across 3 appearances.

Watch points

Game time. Only 0.5% of available minutes — needs a settled run to prove the level.
Level. Rates below a nailed-on top-tier starter on our model.

Outlook

Rated 45.6 overall — developing / rotation level. Defensively he reads as light defensive volume (0 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.

Per 90 & availability

Minutes played %0.5%

Available fixtures46 of 46

Goals / 900

Assists / 900

Goal contribution / 900

Defensive actions / 900

Player flow

Goal involvements0

Cards / 900

Season-by-season progression

Rating (potential)Season (form)

Value & potential by age

Market valueRating

Solid = now · dashed = projected

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 26, Shackleton sits on 21, at or near its peak. The blue line is Shackleton's projected Rating — 45.6 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.

Transfer history

Sheffield UtdJul 2024 – nowFree

Leeds(back from loan)Jun 2023 – Jul 2024

Millwall(on loan)Jul 2022 – Jun 2023

Leedsuntil Jul 2022

About J. Shackleton

Jamie Stuart Shackleton is a 26-year-old centre-back who plays for Sheffield Utd, born on October 8, 1999 in Leeds, standing 168 cm tall. He is from England. Sheffield Utd currently sit 15th of 24 in the Championship.

This season

In the current season, J. Shackleton has made 1 appearances with 0 goals and 0 assists across 1 minutes.

J. Shackleton's next match is on August 29, 2026, when Sheffield Utd face Cardiff away in the Championship.

Field Insider's view

Field Insider currently rates J. Shackleton at 45.6 with a Season form score of 0. See the full scout report for strengths, watch-points and the market-value outlook.

His honours include 2 career titles — among them the Championship. Full list in the career record.

Career

Across 10 recorded seasons, J. Shackleton has totalled 145 club appearances with 2 goals and 3 assists for 7 different clubs. His busiest campaign came in 2022/23, with 36 appearances for Millwall.

J. Shackleton's career has also included time at Leeds and Millwall.

On the international stage, J. Shackleton has represented England U20 — 2 caps in our records.

Transfer news

No transfer news found for this player.