Fastest-growing U21 players in League One

The fastest-growing (by % Rating change) U21 players in League One, ranked on Field Insider.

At a glance

A. Cozier-Duberry of Bolton is the standout for raw talent across U21 players in League One, with a Field Insider Rating of 53.9, and D. Ballard has been the form player this season, grading 56.4.

The numbers a scout watches are the year-on-year jumps: D. Ballard has improved his Season rating most, up +46.2 on last season, while B. Khela's scouting Rating has risen fastest, +17.1 over the same span. Those are the players whose trajectory is bending upward fastest.

By our market-value index, A. Cozier-Duberry of Bolton is the most valuable name in this group at 30.1.

Best talent

A. Cozier-Duberry53.9RTG

Peterborough · 24/25→25/26

Most improved

D. Ballard+46.2SsN

Leyton Orient · 24/25→25/26

A. Cozier-Duberry30.1val

Bolton

27 players · ranked by biggest rating change %Customise →

#	Player	Team	Age	Δ%	Season	Rating
1	B. Khela Defensive midfielder	Peterborough	21	+52 24/25→25/26	28171.8%	5052%
2	J. Colwill Defensive midfielder	Cardiff	21	+47.9 24/25→25/26	2644.5%	5047.9%
3	N. Asiimwe Full-back	AFC Wimbledon	21	+46.3 24/25→25/26	20201.5%	4646.3%
4	Patrick Kelly Attacking midfielder	Barnsley	21	+44.9 24/25→25/26	2049.2%	4944.9%
5	N. Lowe Centre-forward	Stockport County	20	+32.6 24/25→25/26	1843.1%	4932.6%
6	D. Ballard Centre-forward	Leyton Orient	21	+18.7 24/25→25/26	56452.9%	5318.7%
7	G. Abbott Central midfielder	Wycombe	20	+12.2 24/25→25/26	1563.9%	4512.2%
8	F. Draper Centre-forward	Lincoln	21	+10.9 24/25→25/26	23101.8%	5110.9%
9	G. Kodua Winger	Luton	21	+10.5 24/25→25/26	25437%	4910.5%
10	R. Walters Defensive midfielder	Port Vale	20	+9.9 23/24→25/26	14	439.9%
11	J. Richards Attacking midfielder	Luton	18	+9.5 24/25→25/26	16109.2%	509.5%
12	L. Harris Attacking midfielder	Wycombe	21	+7.1 24/25→25/26	2052.2%	527.1%
13	K. Doyle Central midfielder	Reading	20	+4.2 24/25→25/26	318.5%	524.2%
14	B. Ibrahim Attacking midfielder	Plymouth	21	+3.3 24/25→25/26	1152.3%	473.3%
15	James Dornelly Full-back	Peterborough	21	+2.7 24/25→25/26	16127.9%	452.7%
16	G. Nevett Centre-back	Peterborough	20	+1.7 24/25→25/26	1055.6%	431.7%
17	Caylan Vickers Attacking midfielder	Barnsley	21	+1.5 24/25→25/26	123.5%	461.5%
18	Joshua Feeney Centre-back	Huddersfield	21	-2.3 24/25→25/26	192.1%	462.3%
19	S. Cox Centre-forward	Exeter City	21	-4 24/25→25/26	4±0%	414%
20	Marvin Marvellous Kaleta Full-back	Rotherham	21	-7.9 24/25→25/26	635.4%	427.9%
21	Elijah Xavier Campbell Full-back	Port Vale	21	-11.1 24/25→25/26	1639%	4211.1%
22	R. Walters Full-back	Blackpool	21	-12.8 24/25→25/26	30135.2%	5212.8%
23	A. Cozier-Duberry Attacking midfielder	Bolton	21	-16.8 24/25→25/26	36445.5%	5416.8%
24	Cian Ashford Central midfielder	Cardiff	21	-20 24/25→25/26	2222.7%	5220%
25	J. Johnson Full-back	Luton	20	-20.5 24/25→25/26	16365.7%	4620.5%
26	R. Oné Centre-forward	Lincoln	20	-22 24/25→25/26	22651.7%	5022%
27	Z. Nelson Central midfielder	AFC Wimbledon	21	-23.2 24/25→25/26	17120.3%	4623.2%