Brendan Rodgers had the lowest winning percentage by a manager in the Champions League with 30+ appearances, winning 17.6 percent of the time.

lowest winning percentage manager career 30 or more games

	COACH	W%	M	W	D	L	G	GC	SH	SOT	PASS-ATT	PASS	POSS%	FOUL	YC	RC
1	Brendan Rodgers	.176	34	6	10	18	35	75	249	100	13,969	11,927	46.5	253	49	5
2	Trond Johan Sollied	.200	30	6	10	14	30	45							62	3
3	Dušan Bajević	.204	54	11	21	22	52	82							106	5
4	Christian Gross	.242	33	8	8	17	34	62							50	1
5	Rudi Garcia	.250	36	9	10	17	46	67					46.7		80	2
6	Erik Maria Gerets	.257	35	9	5	21	36	56							55	4
7	Yuri Pavlovich Semin	.263	38	10	9	19	36	49							77	4
8	Fatih Terim	.264	53	14	11	28	54	92					50.2		125	7
9	Eggen	.268	56	15	13	28	75	104							57	4
10	Walter Smith	.273	44	12	13	19	45	68							72	6
11	Peter Bosz	.286	35	10	10	15	52	65	536	176	18,902	16,116	55.9	389	60	2
12	Antonio Conte	.300	40	12	13	15	58	58					46.6		89	6
13	Ronald Koeman	.309	68	21	21	26	66	76					61.0		108	8
14	Mircea Lucescu	.322	115	37	26	52	138	172					44.8		252	17
15	Bobby Robson	.323	31	10	8	13	40	45							52	4
16	Christoph Daum	.333	33	11	7	15	48	62							71	8
17	Oleg Ivanovich Romantsev	.348	66	23	15	28	92	101							112	7
18	Thomas Schaaf	.350	40	14	9	17	58	71							79	4
19	Gian Piero Gasperini	.353	34	12	9	13	62	55					50.0		57	2
20	Claude Puel	.354	48	17	14	17	68	59							110	7
21	Leonardo Jardim	.361	36	13	7	16	45	55					44.8		79	1
22	Marco Rose	.378	37	14	4	19	61	64	462	174	17,640	14,867	46.6	401	53	0
23	Roger Schmidt	.378	37	14	13	10	64	49	395	157	14,198	11,491	49.7	327	71	5
24	Guus Hiddink	.388	67	26	19	22	88	75					36.2		107	4
25	Bogs	.395	38	15	8	15	54	52							43	1