lowest career winning percentage by a pitcher with at least 100 games started since 1950

Since 1950, Patrick Sandoval has the lowest win percentage when starting 100+ games, at .297.

	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	Patrick Sandoval P. Sandoval	.297	100	19	45	107	4.08	529	1	1	1	536.0	511	243	280	55	236	17	2	4	2,334	26	8.88	3.96	2.24	0.92	22.7	10.1	1.39	.305	4.70	96	3.95	92	8.58	20.5
2	Jay Hook J. Hook	.319	112	29	62	160	5.23	394	30	2	1	752.2	808	437	482	111	275	30	21	16	3,291	22	4.71	3.29	1.43	1.33	12.0	8.4	1.44	.281	5.76	136	4.63	123	9.66	-67.5
3	Jesse Jefferson J. Jefferson	.325	144	39	81	237	4.81	522	25	4	1	1085.2	1,151	580	642	118	520	14	40	23	4,786	33	4.33	4.31	1.00	0.98	10.9	10.9	1.54	.286	5.32	122	4.57	117	9.54	-78.6
4	Steve Arlin S. Arlin	.337	123	34	67	141	4.33	463	32	11	1	788.2	792	379	431	61	373	18	7	41	3,474	45	5.28	4.26	1.24	0.70	13.3	10.7	1.48	.286	4.92	127	3.79	113	9.04	-43.7
5	Bryan Rekar B. Rekar	.338	108	25	49	131	5.62	383	4	0	0	655.0	788	409	451	99	208	25	5	7	2,927	24	5.26	2.86	1.84	1.36	13.1	7.1	1.52	.311	6.20	116	4.97	107	10.83	-20.7
6	Tracy Stallard T. Stallard	.345	104	30	57	183	4.17	477	21	3	4	764.2	716	354	398	92	343	16	27	19	3,302	34	5.61	4.04	1.39	1.08	14.4	10.4	1.38	.263	4.68	113	4.27	119	8.43	-52.5
7	Chris Holt C. Holt	.354	112	28	51	133	4.76	426	4	1	1	736.2	853	390	426	69	253	32	9	13	3,236	20	5.20	3.09	1.68	0.84	13.2	7.8	1.50	.319	5.20	109	4.32	100	10.42	0.1
8	Bo Belinsky B. Belinsky	.354	102	28	51	146	4.10	476	14	4	2	665.1	603	303	352	61	333	42	14	18	2,919	52	6.44	4.50	1.43	0.83	16.3	11.4	1.41	.270	4.76	117	4.02	114	8.16	-37.3
9	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
10	José Ureña J. Ureña	.361	158	44	78	251	4.75	669	1	0	6	1003.1	1,032	530	568	137	377	52	36	26	4,355	25	6.00	3.38	1.77	1.23	15.4	8.7	1.40	.287	5.10	115	4.88	118	9.26	-84.3
11	Dave Freisleben D. Freisleben	.362	121	34	60	202	4.30	430	17	6	4	865.1	897	413	477	67	430	25	37	41	3,851	45	4.47	4.47	1.00	0.70	11.2	11.2	1.53	.286	4.96	120	4.21	116	9.33	-60
12	Pete Broberg P. Broberg	.366	134	41	71	206	4.56	536	26	6	1	963.0	942	488	552	86	478	52	19	25	4,249	50	5.01	4.47	1.12	0.80	12.6	11.2	1.47	.276	5.16	129	4.23	117	8.80	-67.9
13	Matt Young M. Young	.367	163	55	95	333	4.40	857	20	5	25	1189.2	1,207	582	661	99	565	37	73	28	5,236	56	6.48	4.27	1.52	0.75	16.4	10.8	1.49	.301	5.00	107	3.93	96	9.13	25
14	Duane Pillette D. Pillette	.367	116	36	62	176	4.40	296	32	4	3	866.2	942	424	478	61	372	17	23	5	3,848	15	3.07	3.86	0.80	0.63	7.7	9.7	1.52	.284	4.96	108	4.05	100	9.78	-1.7
15	Dick Drott D. Drott	.370	101	27	46	176	4.78	460	14	5	0	687.2	626	365	420	84	405	23	32	11	3,078	38	6.02	5.30	1.14	1.10	14.9	13.2	1.50	.257	5.50	126	4.61	123	8.19	-65.5
16	Dave Lemanczyk D. Lemanczyk	.370	103	37	63	185	4.62	429	30	3	0	913.0	1,012	469	529	87	363	20	39	22	4,012	48	4.23	3.58	1.18	0.86	10.7	9.0	1.51	.297	5.21	115	4.22	106	9.98	-21.1
17	Skip Lockwood S. Lockwood	.370	106	57	97	420	3.55	829	16	5	68	1236.0	1,130	488	539	98	490	33	219	62	5,215	43	6.04	3.57	1.69	0.71	15.9	9.4	1.31	.274	3.92	101	3.52	97	8.23	14.3
18	Ross Detwiler R. Detwiler	.370	100	30	51	307	4.56	505	1	0	2	752.0	822	381	428	93	273	43	48	20	3,311	24	6.04	3.27	1.85	1.11	15.3	8.2	1.46	.304	5.12	112	4.63	114	9.84	-48.7
19	Bennie Daniels B. Daniels	.372	139	45	76	230	4.44	471	26	5	5	997.0	1,004	492	553	99	383	9	33	45	4,288	30	4.25	3.46	1.23	0.89	11.0	8.9	1.39	.272	4.99	118	4.08	107	9.06	-27.9
20	Tom Poholsky T. Poholsky	.373	104	31	52	159	3.93	316	30	5	1	753.2	791	329	381	90	192	13	30	15	3,184	16	3.77	2.29	1.65	1.07	9.9	6.0	1.30	.272	4.55	99	3.95	98	9.45	8.6
21	Jim Beattie J. Beattie	.374	182	52	87	203	4.17	660	31	7	1	1148.2	1,174	532	581	88	461	29	10	25	4,956	35	5.17	3.61	1.43	0.69	13.3	9.3	1.42	.292	4.55	102	3.84	92	9.20	42.4
22	Jack Armstrong J. Armstrong	.381	130	40	65	152	4.58	510	4	1	0	786.2	807	400	439	102	319	18	10	21	3,450	26	5.83	3.65	1.60	1.17	14.8	9.2	1.43	.282	5.02	119	4.52	115	9.23	-49.9
23	Bob Owchinko B. Owchinko	.381	104	37	60	275	4.28	490	10	4	7	890.2	937	424	461	88	363	6	54	35	3,866	25	4.95	3.67	1.35	0.89	12.7	9.4	1.46	.291	4.66	117	4.10	110	9.47	-40.2
24	Jim Owens J. Owens	.382	103	42	68	286	4.31	516	21	1	21	885.1	932	424	483	84	340	8	96	46	3,854	44	5.25	3.46	1.52	0.85	13.4	8.8	1.44	.292	4.91	116	3.79	104	9.47	-14.6
25	Erick Fedde E. Fedde	.382	143	34	55	165	4.94	589	1	1	0	772.2	802	424	441	117	310	18	6	14	3,361	15	6.86	3.61	1.90	1.36	17.5	9.2	1.44	.294	5.14	118	4.87	116	9.34	-57.4