Iker Casillas has made the most career appearances by a player younger than 25 in the Champions League, with 71 appearances.

most games before turning 25 years old by a player

	NAME	M	Rating	MIN	START	G	G/M	A	G+A	PK	FK	SH	SOT	WOOD	TCH	TCH-BOX	OFF
1	Iker Casillas I. Casillas	71		6,322	70	0	0.00			0
2	Rodrygo	68		4,066	45	26	0.38	13	39	2	0	131	64	4	2,594	293	6
3	Vinícius Júnior Vinícius	68		5,240	59	29	0.43	22	51	2	0	166	70	5	3,187	485	24
4	Lionel Messi L. Messi	68		5,476	61	51	0.75			6
5	Kylian Mbappé K. Mbappé	67		5,311	59	43	0.64	23	66	5	0	207	109	2	2,955	529	61
6	Raúl	66		5,780	65	34	0.52			1
7	Cesc Fàbregas C. Fàbregas	64		5,204	58	14	0.22			3
8	Phil Foden P. Foden	61		4,042	43	18	0.30	14	32	0	0	138	61	4	3,090	244	10
9	David Alaba D. Alaba	60		5,056	55	5	0.08	6	11	0
10	Raphaël Varane R. Varane	59		4,689	53	2	0.03	1	3	0
11	Thomas Müller T. Müller	58		4,019	47	21	0.36			2
12	Eduardo Camavinga E. Camavinga	56		3,114	32	1	0.02	4	5	0	0	26	9	1	2,591	36	1
13	Jude Bellingham J. Bellingham	56		4,551	51	15	0.27	14	29	0	0	92	30	1	3,502	186	5
14	Cristiano Ronaldo C. Ronaldo	56		4,516	51	21	0.38			1
15	Wayne Rooney W. Rooney	54		4,309	50	20	0.37			0
16	Nuno Mendes N. Mendes	52	7.19	4,283	50	7	0.13	3	10	0	0	39	13	2	4,019	106	8
17	Jamal Musiala J. Musiala	52		3,273	37	9	0.17	8	17	0	0	87	30	5	2,190	244	5
18	Trent Alexander-Arnold T. Alexander-Arnold	52		4,456	50	2	0.04	9	11	0	1	48	9	2	4,659	77	3
19	Xavi	51		3,729	41	2	0.04			0
20	Alphonso Davies A. Davies	49		3,517	38	3	0.06	8	11	0	0	34	8	1	3,330	112	8
21	Kai Havertz K. Havertz	49		3,421	37	7	0.14	3	10	1	0	81	26	3	2,067	180	13
22	Andrés Iniesta A. Iniesta	49		2,950	30	5	0.10			0
23	Karim Adeyemi K. Adeyemi	48		2,902	35	16	0.33	5	21	2	0	80	38	1	1,397	191	3
24	Erling Haaland E. Haaland	48		3,851	45	49	1.02	5	54	8	0	182	106	9	1,183	303	8
25	Christian Pulisic C. Pulisic	48		2,590	27	7	0.15	7	14	0	0	65	20	3	1,759	211	10