worst win% in a season by a pitcher, min 15 gs

Paolo Espino, Spencer Howard and Ryne Stanek are tied for the worst win percentage with 15+ starts in a season, at .000.

	NAME	W%	GS	SEASON	TM	W	L	G	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Paolo Espino P. Espino	.000	19	2022	WSH	0	9	42	4.84	92	1	0	0	113.1	131	61	64	24	24	2	18	0	487	1	7.31	1.91	3.83	1.91	18.9	4.9	1.37	.310	5.08	120	4.92	122	10.40	-11.1
2	Spencer Howard S. Howard	.000	15	2021	TOT	0	5	19	7.43	52	0	0	0	49.2	53	41	45	7	27	3	1	0	229	5	9.42	4.89	1.93	1.27	22.7	11.8	1.61	.329	8.15	172	4.71	108	9.60	-1.8
3	Ryne Stanek R. Stanek	.000	27	2019	TOT	0	4	63	3.97	89	0	0	1	77.0	61	34	39	11	39	0	12	3	327	5	10.40	4.56	2.28	1.29	27.2	11.9	1.30	.266	4.56	93	4.27	98	7.13	0.7
4	Jack Nabors J. Nabors	.048	30	1916	PHA	1	20	40	3.47	74	11	0	1	212.2	206	82	110	2	95	3	8		871	4	3.13	4.02	0.78	0.08	8.5	10.9	1.42	.293	4.66	123	3.12	111	8.72	-7.3
5	Frank Bates F. Bates	.053	19	1899	TOT	1	18	22	6.90	13	17	0	0	161.2	246	124	183	6	110	23	3		839	5	0.72	6.12	0.12	0.33	1.5	13.1	2.20	.349	10.19	179	5.73	149	13.69	-33.8
6	Mike Parrott M. Parrott	.059	16	1980	SEA	1	16	27	7.28	53	1	0	3	94.0	136	76	83	16	42	1	8	9	442	2	5.07	4.02	1.26	1.53	12.0	9.5	1.89	.364	7.95	173	5.20	121	13.02	-8.4
7	Tom Sheehan T. Sheehan	.059	17	1916	PHA	1	16	38	3.69	54	8	0	0	188.0	197	77	111	2	94	2	15		783	7	2.59	4.50	0.57	0.10	6.9	12.0	1.55	.309	5.31	131	3.41	121	9.43	-12.5
8	Art Hagan A. Hagan	.059	18	1883	TOT	1	16	19	5.27	46	16	0	0	152.0	224	89	163	2	39		1		708	25	2.72	2.31	1.18	0.12	6.5	5.5	1.73		9.65	171	3.59	116	13.26	-9.3
9	Homer Bailey H. Bailey	.067	20	2018	CIN	1	14	20	6.09	75	1	0	0	106.1	141	72	82	23	33	2	0	9	494	2	6.35	2.79	2.27	1.95	15.2	6.7	1.64	.327	6.94	148	5.54	133	11.93	-15.5
10	Adam Bernero A. Bernero	.067	17	2003	TOT	1	14	49	5.87	80	0	0	0	133.1	137	87	90	19	54	8	5	1	589	3	5.40	3.65	1.48	1.28	13.6	9.2	1.43	.276	6.07	131	5.07	114	9.25	-8.9
11	Kyle Abbott K. Abbott	.067	19	1992	PHI	1	14	31	5.13	88	0	0	0	133.1	147	76	80	20	45	1	0	0	577	9	5.94	3.04	1.96	1.35	15.3	7.8	1.44	.300	5.40	148	4.44	128	9.92	-14.5
12	Jordan Zimmermann J. Zimmermann	.071	23	2019	DET	1	13	23	6.91	82	0	0	0	112.0	145	86	89	19	25	6	0	2	504	3	6.59	2.01	3.28	1.53	16.3	5.0	1.52	.339	7.15	150	4.77	105	11.65	-2.6
13	Zane Smith Z. Smith	.071	17	1989	TOT	1	13	48	3.49	93	0	0	2	147.0	141	57	76	7	52	3	10	7	634	4	5.69	3.18	1.79	0.43	14.7	8.2	1.31	.280	4.65	94	3.23	88	8.63	7.4
14	Pascual Perez P. Perez	.071	22	1985	ATL	1	13	22	6.14	57	0	0	0	95.1	115	65	72	10	57	1	0	10	453	2	5.38	5.38	1.00	0.94	12.6	12.6	1.80	.320	6.80	161	4.67	123	10.86	-8.6
15	Steve Hargan S. Hargan	.071	16	1971	CLE	1	13	37	6.19	52	1	0	1	113.1	138	78	83	18	56	6	6	5	526	7	4.13	4.45	0.93	1.43	9.9	10.6	1.71	.305	6.59	172	5.23	142	10.96	-18.4
16	Troy Herriage T. Herriage	.071	16	1956	KCA	1	13	31	6.64	59	1	0	0	103.0	135	76	83	16	64	6	7	6	501	2	5.16	5.59	0.92	1.40	11.8	12.8	1.93	.334	7.25	154	5.28	126	11.80	-11.8
17	Glendon Rusch G. Rusch	.077	19	2003	MIL	1	12	32	6.42	93	1	0	1	123.1	171	88	93	11	45	4	1	3	573	3	6.79	3.28	2.07	0.80	16.2	7.9	1.75	.381	6.79	150	3.87	88	12.48	7
18	Bob Miller B. Miller	.077	21	1962	NYM	1	12	33	4.89	91	1	0	1	143.2	146	78	98	20	62	6	7	2	646	12	5.70	3.88	1.47	1.25	14.1	9.6	1.45	.270	6.14	119	4.58	115	9.15	-8.7
19	Wally Hebert W. Hebert	.077	15	1932	SLA	1	12	35	6.48	29	2	0	1	108.1	145	78	99	6	45	2	10		504	2	2.41	3.74	0.64	0.50	5.8	8.9	1.75	.329	8.22	136	4.50	97	12.05	2
20	Walt Leverenz W. Leverenz	.077	16	1914	SLA	1	12	27	3.80	41	5	0	0	111.1	107	47	67	5	63	4	8		473	6	3.31	5.09	0.65	0.40	8.7	13.3	1.53	.283	5.42	142	4.09	147	8.65	-16.9
21	Ross Ohlendorf R. Ohlendorf	.083	21	2010	PIT	1	11	21	4.07	79	0	0	0	108.1	106	49	54	12	44	6	0	2	475	5	6.56	3.66	1.80	1.00	16.6	9.3	1.38	.281	4.49	105	4.44	113	8.81	-6.6
22	Rickey Clark R. Clark	.083	17	1968	CAL	1	11	21	3.53	60	0	0	0	94.1	74	37	51	4	54	1	1	1	407	13	5.72	5.15	1.11	0.38	14.7	13.3	1.36	.243	4.87	123	3.41	113	7.06	-4.5
23	Ed Holley E. Holley	.083	17	1934	TOT	1	11	20	8.12	16	2	0	0	82.0	105	74	78	11	37	6	1		383	0	1.76	4.06	0.43	1.21	4.2	9.7	1.73	.300	8.56	182	6.05	133	11.52	-11.6
24	Joe Harris J. Harris	.087	24	1906	BSA	2	21	30	3.52	99	20	1	2	235.0	211	92	130	5	67	7	6		942	6	3.79	2.57	1.48	0.19	10.5	7.1	1.18	.270	4.98	131	2.75	106	8.08	-4.3
25	Brandon Workman B. Workman	.091	15	2014	BOS	1	10	19	5.17	70	0	0	0	87.0	88	50	57	11	36	1	2	0	378	2	7.24	3.72	1.94	1.14	18.5	9.5	1.43	.296	5.90	129	4.44	118	9.10	-6.8