Vinícius Júnior has the most career assists in the Champions League knockout stage, with 13 assists.

most assists by a player ucl knockout stage

	NAME	A	M	MIN	START	G	G/M	G+A	PK	FK	SH	SOT	WOOD	TCH	TCH-BOX	OFF
1	Vinícius Júnior V. Júnior	13	35	3,010	35	12	0.34	25	1	0	76	31	4	1,651	234	13
2	Kevin De Bruyne K. De Bruyne	12	35	2,863	34	13	0.37	25	1	0	82	36	3	2,368		2
3	Ángel di María Á. di María	9	21	1,455	17	3	0.14	12	0	1	41	13	0	1,138		6
4	Luka Modrić L. Modrić	9	57	4,158	46	0	0.00	9	0	0	37	9	0	3,632		0
5	Bernardo Silva B. Silva	9	43	3,383	39	12	0.28	21	0	1	44	19	2	2,279		3
6	Dani Carvajal D. Carvajal	9	45	3,903	45	1	0.02	10	0	0	19	5	0	2,986		1
7	Robert Lewandowski R. Lewandowski	9	43	3,577	40	26	0.60	35	6	0	116	59	6	1,291		24
8	Raheem Sterling R. Sterling	8	32	1,807	19	8	0.25	16	0	0	37	21	0	1,047		15
9	Mohamed Salah M. Salah	8	32	2,615	30	12	0.38	20	1	0	98	38	3	1,568		13
10	Luis Suárez L. Suárez	8	30	2,527	29	13	0.43	21	1	0	52	24	1	903		17
11	Neymar	8	28	2,438	27	12	0.43	20	1	1	68	24	5	1,672		6
12	Thomas Müller T. Müller	8	46	3,188	35	17	0.37	25	1	0	67	33	2	1,542		13
13	Ousmane Dembélé O. Dembélé	7	27	1,868	21	9	0.33	16	0	0	77	27	1	1,345	153	12
14	Joshua Kimmich J. Kimmich	7	42	3,527	39	5	0.12	12	1	0	39	15	0	3,728		4
15	Lionel Messi L. Messi	7	34	3,060	34	18	0.53	25	4	1	119	43	2	2,255		3
16	Cristiano Ronaldo C. Ronaldo	7	36	3,299	36	33	0.92	40	5	0	159	56	2	1,486		36
17	Toni Kroos T. Kroos	7	56	4,643	54	1	0.02	8	0	0	46	15	2	4,258		3
18	Raphinha	6	10	827	9	8	0.80	14	0	0	30	18	2	490	56	5
19	Roberto Firmino R. Firmino	6	24	1,519	16	10	0.42	16	0	0	50	20	1	975	121	6
20	Riyad Mahrez R. Mahrez	6	23	1,736	18	7	0.30	13	1	1	45	19	1	1,163	98	3
21	Leroy Sané L. Sané	6	34	2,316	25	8	0.24	14	0	1	65	20	0	1,499		16
22	Dani Alves D. Alves	6	21	1,776	20	2	0.10	8	0	0	10	2	0	1,347		3
23	Marcelo	6	28	2,431	26	4	0.14	10	0	0	28	5	0	1,848		4
24	Fabián Ruiz F. Ruiz	5	19	1,505	18	1	0.05	6	0	0	18	3	0	1,130	41	3
25	Phil Foden P. Foden	5	24	1,724	18	7	0.29	12	0	0	55	30	1	1,216	80	8