Barcelona had the highest possession percentage by a club in the Champions League in 2022-23, at 65.3 percent.

	CLUB	POSS%	SEASON	M	W	D	L	G	GC	XG	XGA	SH	SOT	PASS-ATT	PASS	FOUL	YC	RC
1	Barcelona	65.3	2022-23	6	2	1	3	12	12	10.08	9.49	90	35	3,769	3,341	57	10	0
2	Man City	60.2	2022-23	13	8	5	0	32	5	27.47	10.75	201	91	8,313	7,494	125	21	1
3	Marseille	59.4	2022-23	6	2	0	4	8	8	8.79	5.17	80	24	3,401	2,951	66	11	1
4	Chelsea	58.0	2022-23	10	5	1	4	12	9	16.53	11.08	154	55	5,595	4,829	137	25	1
5	PSG	56.9	2022-23	8	4	2	2	16	10	10.78	10.18	100	44	4,965	4,454	64	14	0
6	Napoli	56.6	2022-23	10	7	1	2	26	8	25.92	13.46	175	73	5,496	4,737	109	20	1
7	Atlético Madrid	56.5	2022-23	6	1	2	3	5	9	10.09	9.80	97	35	3,372	2,908	56	13	0
8	Bayern	56.2	2022-23	10	8	1	1	22	6	19.69	11.06	168	75	5,771	5,080	121	20	1
9	Liverpool	55.0	2022-23	8	5	0	3	19	12	15.15	10.91	127	57	4,282	3,606	91	10	0
10	Real Madrid	53.8	2022-23	12	8	2	2	26	13	23.59	16.16	187	81	7,210	6,417	100	14	0
11	Ajax	53.3	2022-23	6	2	0	4	11	16	8.50	12.42	65	24	3,200	2,724	78	15	1
12	Benfica	52.9	2022-23	10	6	3	1	26	13	19.54	12.30	138	54	5,404	4,644	103	19	0
13	Leverkusen	51.8	2022-23	6	1	2	3	4	8	8.51	8.01	83	29	3,055	2,586	80	19	1
14	Sevilla	50.6	2022-23	6	1	2	3	6	12	5.61	10.68	68	24	2,978	2,523	57	12	0
15	Tottenham	50.5	2022-23	8	3	3	2	8	7	10.10	9.22	98	32	3,945	3,308	101	22	2
16	Leipzig	49.8	2022-23	8	4	1	3	14	17	11.90	13.04	88	34	4,174	3,615	68	8	0
17	Juventus	48.1	2022-23	6	1	0	5	9	13	9.63	10.55	79	26	2,861	2,446	67	14	0
18	Milan	47.8	2022-23	12	5	3	4	15	11	16.93	14.93	137	45	5,016	4,116	167	28	1
19	Dortmund	47.8	2022-23	8	3	3	2	11	7	10.68	11.69	97	27	3,888	3,247	73	17	0
20	Porto	47.4	2022-23	8	4	1	3	12	8	15.68	11.32	114	42	3,409	2,700	90	23	3
21	Dinamo	46.8	2022-23	6	1	1	4	4	11	4.23	12.70	55	20	2,655	2,144	61	13	0
22	Club Brugge	45.6	2022-23	8	3	2	3	8	11	8.03	16.81	69	22	3,539	2,850	73	27	1
23	Sporting CP	45.6	2022-23	6	2	1	3	8	9	3.89	9.92	45	21	2,640	2,139	69	17	3
24	Inter	45.5	2022-23	13	7	3	3	19	11	18.55	15.69	167	64	5,538	4,568	167	28	1
25	Celtic	44.1	2022-23	6	0	2	4	4	15	9.29	11.72	83	30	2,980	2,572	50	7	0