lowest career winning percentage by a pitcher with at least 100 games pitched

Jhan Marinez and Sean Runyan were tied for the worst win percentage when pitching in 100+ games, at .167.

	NAME	W%	G	W	L	GS	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	Jhan Marinez J. Marinez	.167	103	1	5	0	3.56	102	0	0	0	134.0	140	53	60	12	61	13	36	7	596	10	6.85	4.10	1.67	0.81	17.1	10.2	1.50	.314	4.03	84	4.44	104	9.40	-2.4
2	Sean Runyan S. Runyan	.167	103	1	5	0	3.66	46	0	0	1	64.0	58	26	29	9	33	3	13	4	280	7	6.47	4.64	1.39	1.27	16.4	11.8	1.42	.259	4.08	77	5.21	110	8.16	-3.2
3	Dylan Covey D. Covey	.179	100	7	32	46	6.18	214	0	0	0	307.1	353	211	228	52	133	8	29	8	1,382	15	6.27	3.89	1.61	1.52	15.5	9.6	1.58	.309	6.68	142	5.36	121	10.34	-31.3
4	Steve Geltz S. Geltz	.182	110	2	9	2	4.23	99	0	0	2	104.1	77	49	52	22	43	5	26	3	429	7	8.54	3.71	2.30	1.90	23.1	10.0	1.15	.212	4.49	107	5.35	134	6.64	-16.6
5	Hal Griggs H. Griggs	.188	105	6	26	45	5.50	172	6	1	3	347.0	372	212	241	43	209	4	24	7	1,590	19	4.46	5.42	0.82	1.12	10.8	13.1	1.67	.283	6.25	139	4.92	124	9.65	-36.6
6	Ken Reynolds K. Reynolds	.194	103	7	29	51	4.46	197	4	1	1	375.2	370	186	203	29	196	8	20	13	1,633	9	4.72	4.70	1.01	0.69	12.1	12.0	1.51	.283	4.86	126	4.03	117	8.86	-23.4
7	Jeff McCurry J. McCurry	.200	111	3	12	0	5.89	60	0	0	1	128.1	169	84	91	24	63	6	34	4	594	4	4.21	4.42	0.95	1.68	10.1	10.6	1.81	.329	6.38	130	6.22	140	11.85	-24.7
8	Ike Pearson I. Pearson	.206	164	13	50	54	4.83	149	10	2	8	559.0	611	300	338	49	268	23	75		2,530	12	2.40	4.31	0.56	0.79	5.9	10.6	1.57	.275	5.44	129	4.90	128	9.84	-68.2
9	Seth Morehead S. Morehead	.208	132	5	19	24	4.81	184	3	0	5	318.1	357	170	190	34	110	7	38	15	1,407	7	5.20	3.11	1.67	0.96	13.1	7.8	1.47	.301	5.37	124	3.84	101	10.09	-1.1
10	Curt Fullerton C. Fullerton	.213	115	10	37	43	5.11	104	17	0	3	423.0	483	240	293	20	211	21	46		1,930	12	2.21	4.49	0.49	0.43	5.4	10.9	1.64	.294	6.23	124	4.76	116	10.28	-30.3
11	Lowell Palmer L. Palmer	.217	106	5	18	25	5.29	239	2	1	0	316.2	302	186	196	41	202	23	23	18	1,440	35	6.79	5.74	1.18	1.17	16.6	14.0	1.59	.279	5.57	144	4.85	136	8.58	-45.2
12	José Quijada J. Quijada	.222	142	4	14	0	4.59	175	0	0	8	129.1	99	66	73	19	86	12	32	8	576	4	12.18	5.98	2.03	1.32	30.4	14.9	1.43	.282	5.08	110	4.64	110	6.89	-6.3
13	Daniel Stumpf D. Stumpf	.222	166	2	7	0	4.66	100	0	0	0	110.0	125	57	63	16	48	2	26	3	493	5	8.18	3.93	2.08	1.31	20.3	9.7	1.57	.333	5.15	106	4.60	104	10.23	-2.2
14	Scott McGough S. McGough	.231	108	3	10	3	5.94	131	0	0	9	125.2	124	83	89	24	62	4	41	2	561	4	9.38	4.44	2.11	1.72	23.4	11.1	1.48	.294	6.37	140	5.18	126	8.88	-15.4
15	Bill Laxton B. Laxton	.231	121	3	10	4	4.73	189	0	0	5	243.1	212	128	144	34	158	15	44	14	1,091	18	6.99	5.84	1.20	1.26	17.3	14.5	1.52	.256	5.33	127	5.02	135	7.84	-33.5
16	Fernando Abad F. Abad	.237	406	9	29	6	3.78	292	0	0	2	354.2	343	149	158	45	126	12	103	11	1,513	10	7.41	3.20	2.32	1.14	19.3	8.3	1.32	.287	4.01	93	4.29	106	8.70	-10.1
17	Anthony Young A. Young	.238	181	15	48	51	3.89	245	2	0	20	460.0	471	199	243	41	167	10	65	23	1,977	16	4.79	3.27	1.47	0.80	12.4	8.4	1.39	.284	4.75	101	4.22	106	9.22	-14.4
18	Tom Dukes T. Dukes	.238	161	5	16	0	4.35	169	0	0	22	217.0	226	105	120	19	82	8	76	26	955	10	7.01	3.40	2.06	0.79	17.7	8.6	1.42	.306	4.98	129	3.33	102	9.37	-0.8
19	Mac Scarce M. Scarce	.240	159	6	19	0	3.69	164	0	0	21	209.2	192	86	96	20	117	8	68	23	912	18	7.04	5.02	1.40	0.86	18.0	12.8	1.47	.285	4.12	99	4.00	109	8.24	-6.9
20	John Coleman J. Coleman	.242	107	23	72	93	4.68	224	84	4	0	842.2	1,182	438	772	30	102		13		3,913	27	2.39	1.09	2.20	0.32	5.7	2.6	1.52	.324	8.25	152	3.53	111	12.62	-36.7
21	Lloyd Allen L. Allen	.242	159	8	25	19	4.69	194	0	0	22	297.1	291	155	183	19	196	11	75	18	1,366	27	5.87	5.93	0.99	0.58	14.2	14.3	1.64	.288	5.54	137	4.09	121	8.81	-24.6
22	Randy Messenger R. Messenger	.250	173	4	12	0	4.87	120	0	0	2	184.2	225	100	104	21	80	3	49	15	844	6	5.85	3.90	1.50	1.02	14.2	9.5	1.65	.329	5.07	113	4.67	108	10.97	-6.8
23	Andrew Sisco A. Sisco	.250	151	3	9	0	5.18	141	0	0	1	147.2	153	85	87	16	93	4	35	10	681	9	8.59	5.67	1.52	0.98	20.7	13.7	1.67	.321	5.30	114	4.55	103	9.33	-2.3
24	Dan Meyer D. Meyer	.250	103	3	9	7	5.46	92	0	0	2	113.2	119	69	81	16	57	3	19	3	516	5	7.28	4.51	1.61	1.27	17.8	11.0	1.55	.296	6.41	129	4.91	118	9.42	-9.4
25	Jaime Cerda J. Cerda	.250	132	3	9	0	4.26	91	0	0	2	122.2	116	58	63	8	75	4	33	6	552	9	6.68	5.50	1.21	0.59	16.5	13.6	1.56	.289	4.62	97	4.31	99	8.51	0.6