Kylian Mbappé has the most career assists by a player 21 or younger in the Champions League, with 16 assists.

	NAME	A	M	MIN	START	G	G/M	G+A	PK	FK	SH	SOT	WOOD	TCH	TCH-BOX	OFF
1	Kylian Mbappé K. Mbappé	16	40	2,997	33	21	0.53	37	1	0	119	59	1	1,601	300	30
2	Jude Bellingham J. Bellingham	13	47	3,890	45	13	0.28	26	0	0	75	26	1	3,056	156	4
3	Vinícius Júnior V. Júnior	10	34	2,265	26	8	0.24	18	0	0	56	18	1	1,362	190	9
4	Jamal Musiala J. Musiala	7	44	2,786	32	6	0.14	13	0	0	72	25	2	1,899	204	4
5	Alphonso Davies A. Davies	7	26	1,871	21	0	0.00	7	0	0	19	3	1	1,817	71	4
6	Rodrygo	7	33	1,577	16	13	0.39	20	2	0	54	26	1	1,052	116	3
7	Phil Foden P. Foden	7	36	2,291	26	9	0.25	16	0	0	69	32	2	1,689	130	8
8	Kingsley Coman K. Coman	7	18	835	8	4	0.22	11	0	0	25	11	0	630		0
9	Lamine Yamal L. Yamal	6	25	1,848	22	6	0.24	12	1	0	81	27	4	1,381	151	3
10	Jadon Sancho J. Sancho	6	28	1,866	21	6	0.21	12	1	1	34	18	1	1,512	92	5
11	Ousmane Dembélé O. Dembélé	6	21	1,329	16	6	0.29	12	0	0	42	12	0	935	86	6
12	Rico Lewis R. Lewis	5	20	1,388	14	1	0.05	6	0	0	14	6	1	1,169	51	2
13	Antony	5	10	847	10	3	0.30	8	0	0	31	16	2	633	40	7
14	Pedri	5	24	1,675	20	1	0.04	6	0	0	17	7	2	1,349	44	1
15	Houssem Aouar H. Aouar	5	12	1,075	12	1	0.08	6	0	0	21	6	0	806	38	3
16	Raheem Sterling R. Sterling	5	21	1,439	16	4	0.19	9	0	0	29	13	0	644		3
17	Hakan Çalhanoğlu H. Çalhanoğlu	5	14	1,213	14	4	0.29	9	2		18	6		411		0
18	Fermin López F. López	4	19	726	7	3	0.16	7	0	0	27	11	4	487	42	2
19	Curtis Jones C. Jones	4	11	690	8	1	0.09	5	0	0	16	8	1	568	19	3
20	Gio Reyna G. Reyna	4	18	902	7	0	0.00	4	0	0	10	2	0	621	39	3
21	Trent Alexander-Arnold T. Alexander-Arnold	4	28	2,323	26	1	0.04	5	0	0	26	4	1	2,403	30	2
22	Dele Alli D. Alli	4	11	960	11	3	0.27	7	0	0	27	9	1	677	46	1
23	Thomas Lemar T. Lemar	4	15	1,073	12	2	0.13	6	0	0	18	6	0	762	28	2
24	Arne Engels A. Engels	3	10	728	9	1	0.10	4	1	0	11	6	0	433	16	0
25	Désiré Doué D. Doué	3	17	756	9	7	0.41	10	0	0	34	19	2	584	53	4