lowest career winning percentage by a pitcher with at least 200 games started since 1950

Since 1950, Jason Johnson has the worst win percentage when starting 200+ games, at .359.

	NAME	W%	GS	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	Jason Johnson J. Johnson	.359	221	56	100	255	4.99	810	6	1	0	1357.0	1,521	753	831	181	498	57	8	25	5,996	65	5.37	3.30	1.63	1.20	13.5	8.3	1.49	.301	5.51	112	4.82	107	10.09	-47.6
2	Jack Fisher J. Fisher	.382	265	86	139	400	4.06	1,017	62	9	9	1975.2	2,061	891	1,024	193	605	52	65	39	8,452	56	4.63	2.76	1.68	0.88	12.0	7.2	1.35	.284	4.66	115	3.77	108	9.39	-59.3
3	Mike Pelfrey M. Pelfrey	.398	256	68	103	275	4.68	838	4	0	1	1476.1	1,687	767	827	139	542	81	5	27	6,531	23	5.11	3.30	1.55	0.85	12.8	8.3	1.51	.314	5.04	116	4.45	109	10.28	-58.5
4	Kip Wells K. Wells	.401	219	69	103	296	4.71	963	3	2	2	1338.1	1,390	700	773	151	635	70	24	53	5,970	67	6.48	4.27	1.52	1.02	16.1	10.6	1.51	.298	5.20	109	4.67	107	9.35	-46.8
5	Jordan Lyles J. Lyles	.402	245	72	107	357	5.22	1,145	5	1	2	1509.0	1,626	876	950	237	493	67	36	16	6,586	60	6.83	2.94	2.32	1.41	17.4	7.5	1.40	.299	5.67	124	4.77	115	9.70	-101.4
6	Glendon Rusch G. Rusch	.404	220	67	99	342	5.04	1,088	11	3	4	1477.1	1,732	827	880	191	460	40	31	27	6,513	19	6.63	2.80	2.37	1.16	16.7	7.1	1.48	.326	5.36	114	4.28	96	10.55	27.6
7	Chris Archer C. Archer	.414	240	63	89	243	3.93	1,454	3	3	0	1357.0	1,232	592	654	165	476	41	1	8	5,723	72	9.64	3.16	3.05	1.09	25.4	8.3	1.26	.297	4.34	98	3.71	92	8.17	47.9
8	Jimmy Haynes J. Haynes	.414	203	63	89	227	5.37	762	2	1	1	1200.2	1,358	717	778	148	601	30	11	41	5,417	51	5.71	4.50	1.27	1.11	14.1	11.1	1.63	.312	5.83	119	4.99	109	10.18	-55.5
9	Kyle Freeland K. Freeland	.416	231	64	90	236	4.54	944	0	0	0	1260.1	1,394	636	690	180	392	47	0	12	5,466	17	6.74	2.80	2.41	1.29	17.3	7.2	1.42	.311	4.93	94	4.57	103	9.95	-17.5
10	Roberto Hernandez R. Hernandez	.418	219	71	99	270	4.60	833	8	3	1	1358.1	1,412	695	766	147	505	82	22	25	5,900	37	5.52	3.35	1.65	0.97	14.1	8.6	1.41	.292	5.08	114	4.58	112	9.36	-75.6
11	Clay Kirby C. Kirby	.419	239	75	104	261	3.84	1,061	42	8	0	1548.0	1,430	660	755	156	713	30	8	57	6,682	83	6.17	4.15	1.49	0.91	15.9	10.7	1.38	.270	4.39	109	3.90	113	8.31	-86.2
12	Jose DeLeon J. DeLeon	.420	264	86	119	415	3.76	1,594	21	7	6	1897.1	1,556	793	877	153	841	62	36	50	7,985	60	7.56	3.99	1.90	0.73	20.0	10.5	1.26	.263	4.16	99	3.60	94	7.38	44
13	Pedro Ramos P. Ramos	.422	268	117	160	582	4.08	1,305	73	13	54	2355.2	2,364	1,068	1,210	316	724	68	182	76	10,048	32	4.99	2.77	1.80	1.21	13.0	7.2	1.31	.268	4.62	106	4.16	107	9.03	-66.8
14	Don Cardwell D. Cardwell	.425	301	102	138	410	3.92	1,211	72	17	7	2123.0	2,009	924	1,044	225	671	98	44	80	8,949	69	5.13	2.84	1.80	0.95	13.5	7.5	1.26	.265	4.43	106	3.84	108	8.52	-60.6
15	John Buzhardt J. Buzhardt	.425	200	71	96	326	3.66	678	44	15	7	1490.2	1,425	607	675	130	457	43	47	67	6,239	35	4.09	2.76	1.48	0.78	10.9	7.3	1.26	.263	4.08	103	3.77	105	8.60	-34.4
16	John Thomson J. Thomson	.426	212	63	85	216	4.68	800	10	3	0	1270.1	1,398	661	734	154	369	28	2	26	5,470	23	5.67	2.61	2.17	1.09	14.6	6.7	1.39	.302	5.20	98	4.31	94	9.90	37.5
17	George Brunet G. Brunet	.426	213	69	93	324	3.62	921	39	15	4	1431.2	1,303	576	639	133	581	21	42	53	6,069	41	5.79	3.65	1.59	0.84	15.2	9.6	1.32	.265	4.02	109	3.70	109	8.19	-50.9
18	Tim Leary T. Leary	.426	224	78	105	292	4.36	888	25	9	1	1491.1	1,570	723	792	147	535	52	28	45	6,437	87	5.36	3.23	1.66	0.89	13.8	8.3	1.41	.296	4.78	112	4.08	104	9.47	-30.7
19	Jamey Wright J. Wright	.427	248	97	130	719	4.81	1,189	6	3	2	2036.2	2,168	1,088	1,208	200	978	155	133	73	9,038	87	5.25	4.32	1.22	0.88	13.2	10.8	1.54	.302	5.34	105	4.86	109	9.58	-84.5
20	Glenn Abbott G. Abbott	.428	206	62	83	248	4.39	484	37	5	0	1286.0	1,405	627	707	162	352	32	13	28	5,508	18	3.39	2.46	1.38	1.13	8.8	6.4	1.37	.278	4.95	112	4.45	109	9.83	-46.2
21	Jeff Samardzija J. Samardzija	.430	241	80	106	364	4.15	1,449	9	4	1	1645.1	1,555	759	818	205	491	60	31	25	6,891	60	7.93	2.69	2.95	1.12	21.0	7.1	1.24	.288	4.47	104	3.98	100	8.51	-4.9
22	Mike Morgan M. Morgan	.431	411	141	186	597	4.23	1,403	46	10	8	2772.1	2,943	1,303	1,431	270	938	73	56	77	11,872	105	4.55	3.05	1.50	0.88	11.8	7.9	1.40	.291	4.65	102	4.26	103	9.55	-36.8
23	John Danks J. Danks	.432	247	79	104	247	4.38	1,102	6	3	0	1503.1	1,533	731	783	197	491	41	0	15	6,415	43	6.60	2.94	2.24	1.18	17.2	7.7	1.35	.291	4.69	103	4.40	103	9.18	-13.3
24	Rick Honeycutt R. Honeycutt	.433	268	109	143	797	3.72	1,038	47	11	38	2160.0	2,183	893	1,034	185	657	50	118	81	9,141	45	4.33	2.74	1.58	0.77	11.4	7.2	1.31	.277	4.31	96	3.89	99	9.10	10
25	Pat Rapp P. Rapp	.435	239	70	91	259	4.68	825	9	5	0	1387.1	1,468	721	790	133	683	49	7	32	6,143	70	5.35	4.43	1.21	0.86	13.4	11.1	1.55	.300	5.12	107	4.74	108	9.52	-51.3