Best defensive U21 full-backs

The best defensive U21 full-backs, ranked on Field Insider.

At a glance

N. O'Reilly of Manchester City is the standout for raw talent across U21 full-backs, with a Field Insider Rating of 96.7, and W. Zaïre-Emery has been the form player this season, grading 68, and F. Ademi leads the scoring with 5 goals.

The numbers a scout watches are the year-on-year jumps: Senny Mayulu has improved his Season rating most, up +45.9 on last season, while E. Diouf's scouting Rating has risen fastest, +48.8 over the same span. Those are the players whose trajectory is bending upward fastest.

By our market-value index, N. O'Reilly of Manchester City is the most valuable name in this group at 174.1.

West Ham · 23/24→25/26

Most improved

Senny Mayulu+45.9SsN

Paris Saint Germain · 24/25→25/26

50 players · ranked by most clean sheetsCustomise →

#	Player	Team	Age	CS	Season	Rating
1	E. Báez Full-back	San Lorenzo	21	17	67141.9%	5817%
2	W. Zaïre-Emery Full-back	Paris Saint Germain	20	14	6894.3%	9412.3%
3	N. O'Reilly Full-back	Manchester City	21	12	56432.1%	9717.9%
4	N. Rapoo Full-back	Siwelele	20	11	35	2
5	M. Roganović Full-back	FK Partizan	20	11	34	46
6	I. Rozhkov Full-back	Rubin	21	11	4965.9%	36±0%
7	A. Karapo Full-back	Manisa F.K.	21	10	457316.7%	5228.2%
8	Noah Tolf Full-back	IFK Goteborg	20	10	4723300%	4139.7%
9	J. Seys Full-back	Club Brugge KV	21	10	3728.4%	6615.3%
10	Senny Mayulu Full-back	Paris Saint Germain	20	10	60323.2%	9112.4%
11	Tomas Galvez Full-back	Cambuur	21	9	3282.2%	6415.6%
12	K. Kosugi Full-back	Djurgardens IF	20	9	43206.4%	4218.6%
13	L. Bombino Full-back	San Diego	20	9	51	49
14	T. Johnson Full-back	Vancouver Whitecaps	21	9	30	46
15	J. Kalulu Full-back	PAU	21	9	39155.3%	6717.3%
16	S. Bukinac Full-back	Vojvodina	21	8	29	42
17	J. Mena Full-back	Águilas Doradas	21	8	23	28
18	Olof Matteo Perez Vinlöf Full-back	Dinamo Zagreb	20	8	2813750%	4040.2%
19	I. Krupskyi Full-back	Metalist 1925 Kharkiv	21	8	3181.1%	413.1%
20	M. Gurgul Full-back	Lech Poznan	20	8	2729.4%	454.4%
21	R. Kpakio Full-back	Cardiff	19	8	242109.1%	5112.2%
22	M. Rots Full-back	Twente	20	8	42456%	8430.1%
23	Caleb Marfo Yirenkyi Full-back	FC Nordsjaelland	20	8	3658.6%	5117.4%
24	L. Vargas Full-back	Union Santa Fe	21	8	4021.9%	560.7%
25	Martim Fernandes Full-back	FC Porto	20	8	3931.2%	636.4%
26	Iván Fresneda Full-back	Sporting CP	21	8	3443.5%	640.9%
27	I. Ganiou Full-back	Lens	21	8	4350.3%	8437.9%
28	Rafita Full-back	Malaga	20	8	27	68
29	Álex Jiménez Full-back	Bournemouth	21	7	4398.6%	9118.7%
30	Felipe Andrés Faúndez González Full-back	O'Higgins	20	7	28	26
31	A. Borza Full-back	Rapid	20	7	26	36
32	U. Tegeltija Full-back	Železničar Pančevo	20	7	24	39
33	A. AvdiÄFull-back	FK Crvena Zvezda	18	7	28	43
34	Maximilian Hennig Full-back	TSV Hartberg	19	7	26422.4%	4823.3%
35	M. Cissé Full-back	Lask Linz	20	7	31	51
36	Pedro Francisco Full-back	Famalicao	21	7	30716.2%	611.5%
37	P. Miller Full-back	New England Revolution	18	7	29357.8%	4717.9%
38	J. Meghoma Full-back	Rangers	20	7	24209.1%	5215.8%
39	F. Luberecki Full-back	Motor Lublin	21	7	3692%	414.1%
40	I. Cossier Full-back	Le Mans	19	7	34	63
41	Vitalie Becker Full-back	FC Schalke 04	21	7	36	66
42	N. Calabrese Full-back	Carrarese	21	7	28	63
43	C. O'Brien Full-back	Accrington ST	19	7	2238.1%	335.8%
44	S. Curtis Full-back	Chesterfield	20	6	18142.5%	3321.3%
45	Branimir Mlačić Full-back	HNK Hajduk Split	20	6	21	37
46	R. Torres Full-back	Atletico San Luis	21	6	25	53
47	R. Creţ Full-back	FC Botosani	20	6	20	34
48	U. Filipovic Full-back	Radnik Surdulica	19	6	23	38
49	N. Audinis Full-back	Teplice	20	6	13	2
50	L. Morgalla Full-back	VfL Bochum	21	6	273714.3%	6573.5%