8 players are tied for the most shots blocked in their Champions League debut, with 3 shots blocked. The first three are Nico Williams on October 22, Iván Fresneda on January 22 and Elye Wahi on September 20, 2023.

Interpreted as:

most blocks by a player in debut

	NAME	SH-BLK	DATE	CLUB		OPP	RTG	MIN	G	A	XG	XA	PK	FK	SH	SOT	WOOD	TCH	TCH-BOX	OFF	FOUL	YC	RC
1	Nico Williams N. Williams	3	10/22/2025	Athletic Club	vs	Qarabag	6.5	65	0	0	0.20	0.14	0	0	4	0	0	60	11	0	1	0	0
2	Iván Fresneda I. Fresneda	3	1/22/2025	Sporting CP	@	Leipzig	7.5	76	0	0	0.16	0.01	0	0	3	0	0	55	5	0	0	0	0
3	Elye Wahi E. Wahi	3	9/20/2023	Lens	@	Sevilla	5.8	71	0	0	0.28	0.00	0	0	4	0	0	26	6	0	0	0	0
4	Joselu	3	9/20/2023	Real Madrid	vs	Union Berlin	4.1	90	0	0	1.19	0.03	0	0	11	3	1	38	11	2	0	0	0
5	Tammy Abraham T. Abraham	3	9/17/2019	Chelsea	vs	Valencia		90	0	0			0	0	5	1	0	25	9	0	4	0	0
6	Fedor Chalov F. Chalov	3	11/22/2016	CSKA	vs	Leverkusen		90	0	0			0	0	6	1	0	50	10	0	1	0	0
7	Harry Kane H. Kane	3	9/14/2016	Tottenham	vs	Monaco		90	0	0			0	0	4	1	0	40	7	1	1	1	0
8	Christian Pulisic C. Pulisic	3	9/14/2016	Dortmund	@	Legia		90	0	1			0	0	3	1	0	51	15	0	3	0	0
9	Nicolò Tresoldi N. Tresoldi	2	9/18/2025	Club Brugge	vs	Monaco	7.7	90	1	0	1.21	0.12	0	0	8	3	0	34	8	0	1	0	0
10	Alexandr Mrynskiy A. Mrynskiy	2	9/18/2025	Kairat	@	Sporting CP	5.0	81	0	0	0.19	0.01	0	0	2	0	0	32	1	0	1	0	0
11	Mathias Rasmussen M. Rasmussen	2	9/16/2025	Union SG	@	PSV	7.7	90	0	0	0.13	0.22	0	0	2	0	0	55	0	0	0	0	0
12	Nicolas Pépé N. Pépé	2	9/16/2025	Villarreal	@	Tottenham	5.5	90	0	0	0.24	0.12	0	0	4	0	0	43	4	0	2	0	0
13	Bruno Duarte B. Duarte	2	9/19/2024	Crvena Zvedza	vs	Benfica	5.8	71	0	0	0.17	0.04	0	0	4	1	0	29	4	1	0	0	0
14	Riccardo Orsolini R. Orsolini	2	9/18/2024	Bologna	vs	Shaktar	6.3	65	0	0	0.06	0.18	0	0	3	0	0	46	2	0	0	0	0
15	Dan Ndoye D. Ndoye	2	9/18/2024	Bologna	vs	Shaktar	7.3	90	0	0	0.07	0.41	0	0	2	0	0	55	8	0	1	0	0
16	Jhon Durán J. Durán	2	9/17/2024	Aston Villa	@	Young Boys	5.6	30	0	0	0.12	0.01	0	0	3	0	0	13	4	0	2	1	0
17	Michael Olise M. Olise	2	9/17/2024	Bayern	vs	Dinamo	9.7	68	2	0	1.30	0.12	0	0	4	2	0	85	6	0	1	0	0
18	Viktor Gyökeres V. Gyökeres	2	9/17/2024	Sporting CP	vs	Lille	9.0	90	1	0	0.33	0.25	0	0	3	1	0	33	5	2	3	0	0
19	Elias Achouri E. Achouri	2	9/20/2023	København	@	Galatasaray	6.6	75	0	0	0.05	0.08	0	0	2	0	0	54	7	0	1	0	0
20	Niclas Füllkrug N. Füllkrug	2	9/19/2023	Dortmund	@	PSG	6.3	28	0	0	0.08	0.01	0	0	3	0	0	17	4	1	0	0	0
21	Pape Matar Sarr P. Matar Sarr	2	2/14/2023	Tottenham	@	Milan	7.1	90	0	0	0.06	0.16	0	0	3	1	0	79	0	0	2	0	0
22	Adam Kronus A. Kronus	2	11/1/2022	Plzen	vs	Barcelona	7.0	2	0	0	0.12	0.00	0	0	2	0	0	6	2	0	0	0	0
23	Fabio Carvalho F. Carvalho	2	10/12/2022	Liverpool	@	Rangers	7.0	90	0	0	0.13	0.33	0	0	3	0	0	63	2	0	0	0	0
24	Galeno	2	9/7/2022	Porto	@	Atlético Madrid	5.9	88	0	0	0.22	0.06	0	0	3	0	0	49	6	0	0	0	0
25	Pavel Bucha P. Bucha	2	9/7/2022	Plzen	@	Barcelona	6.9	90	0	0	0.06	0.00	0	0	2	0	0	39	0	0	0	0	0