Alessandro Nesta had the worst winning percentage by a manager in Europe's top five leagues with 30+ appearances, winning 6.5 percent of the time in Serie A.

lowest winning percentage manager career 30 or more games

	COACH	W%	M	W	D	L	G	GC	XG	XGA	SH	SOT	PASS-ATT	PASS	POSS%	FOUL	YC	RC
1	Alessandro Nesta	.065	31	2	9	20	22	53	24.31	44.52	288	89	13,444	11,367	48.6	388	67	1
2	Stefan Leitl	.088	34	3	9	22	28	82	30.63	61.18	314	108	12,634	9,483	43.3	437	61	0
3	Bernd Hoss	.088	34	3	12	19	36	76									45	1
4	Pietro Maroso	.091	44	4	17	23	29	61									0	5
5	Pierpaolo Bisoli	.097	31	3	11	17	24	46							40.6		80	3
6	Dejan Stanković	.100	30	3	8	19	20	55	27.81	55.30	296	92	11,741	9,162	44.8	408	85	3
7	Giovanni Stroppa	.100	30	3	4	23	26	71			290	90	13,307	10,847	49.8	411	72	3
8	Corrado Viciani	.100	30	3	10	17	14	37									0	0
9	Kieran McKenna	.105	38	4	10	24	36	82	35.20	74.98	376	127	13,510	10,884	40.3	430	93	5
10	Ugo Innocenti	.105	38	4	9	25	37	85									0	4
11	Gianni Seghedoni	.107	56	6	25	25	29	64									0	3
12	Dietmar Demuth	.118	34	4	10	20	37	70									81	5
13	Armando Segato	.118	34	4	9	21	29	57									0	2
14	John Gorman	.119	42	5	15	22	47	100									39	1
15	Alfredo Magni	.121	58	7	25	26	46	74									66	8
16	Moreno Longo	.125	32	4	9	19	31	64			361	118	12,269	9,833	43.3	447	78	1
17	Michael Oenning	.125	32	4	10	18	27	59									66	2
18	Aidy Boothroyd	.132	38	5	13	20	29	59			418	135	10,175		45.6	597	49	2
19	Elie Fruchart	.132	38	5	14	19	33	66									7	0
20	Torsten Lieberknecht	.132	68	9	15	44	59	146							45.7		149	6
21	Enzo Riccomini	.133	60	8	26	26	38	76									0	7
22	Attilio Tesser	.136	44	6	13	25	38	76									106	4
23	Bruno Bolchi	.140	86	12	36	38	56	102									53	12
24	Bruno Vittorio Biagini	.147	34	5	13	16	24	49									0	1
25	Enrique Martin	.152	33	5	12	16	31	58							38.7		90	8