mlb player lowest win percentage with 50 games played and number of losses

50 pitchers are tied for the worst career win percentage in losses when pitching in 50+ games, at .000. The first three are Brady Singer, Logan Webb and Dylan Cease.

Interpreted as:

MLB player lowest win percentage with 50 or more games played and number of losses

	NAME	L	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	H/9
1	Brady Singer B. Singer	56	.000	56	0	1.000	56	7.48	248	0	0	0	270.2	366	225	237	57	109	22	0	1	1,285	11	8.25	3.62	2.28	1.90	19.3	8.5	1.75	.364	7.88	12.17
2	Logan Webb L. Webb	51	.000	51	0	1.000	51	6.25	249	0	0	0	265.0	346	184	211	29	74	7	0	1	1,201	7	8.46	2.51	3.36	0.98	20.7	6.2	1.58	.376	7.17	11.75
3	Dylan Cease D. Cease	58	.000	58	0	1.000	58	7.19	322	0	0	0	290.1	338	232	256	61	136	12	0	3	1,344	15	9.98	4.22	2.37	1.89	24.0	10.1	1.63	.341	7.94	10.48
4	Zac Gallen Z. Gallen	51	.000	51	0	1.000	51	6.82	259	0	0	0	266.2	307	202	212	57	114	8	0	3	1,208	10	8.74	3.85	2.27	1.92	21.4	9.4	1.58	.325	7.15	10.36
5	Mitch Keller M. Keller	65	.000	65	0	1.000	65	7.33	303	0	0	0	316.2	437	258	281	60	119	22	0	2	1,504	9	8.61	3.38	2.55	1.71	20.1	7.9	1.76	.377	7.99	12.42
6	Yusei Kikuchi Y. Kikuchi	58	.000	58	0	1.000	58	7.73	237	0	0	0	267.2	357	230	253	71	124	8	0	2	1,271	15	7.97	4.17	1.91	2.39	18.6	9.8	1.80	.344	8.51	12.00
7	Merrill Kelly M. Kelly	53	.000	53	0	1.000	53	7.04	250	0	0	0	278.2	361	218	233	58	111	7	0	5	1,279	6	8.07	3.58	2.25	1.87	19.5	8.7	1.69	.355	7.53	11.66
8	Sandy Alcantara S. Alcantara	67	.000	67	0	1.000	67	6.31	333	2	0	0	375.0	432	263	289	69	132	19	0	3	1,684	15	7.99	3.17	2.52	1.66	19.8	7.8	1.50	.321	6.94	10.37
9	Framber Valdez F. Valdez	52	.000	52	0	1.000	49	6.48	245	3	0	0	282.0	320	203	221	39	109	19	0	0	1,269	22	7.82	3.48	2.25	1.24	19.3	8.6	1.52	.328	7.05	10.21
10	Pablo López P. López	53	.000	53	0	1.000	53	7.40	260	0	0	0	260.1	347	214	224	47	93	19	0	8	1,218	12	8.99	3.22	2.80	1.62	21.3	7.6	1.69	.375	7.74	12.00
11	Brad Keller B. Keller	59	.000	59	0	1.000	53	7.05	205	1	0	0	282.0	374	221	244	48	139	12	2	2	1,341	25	6.54	4.44	1.47	1.53	15.3	10.4	1.82	.348	7.79	11.94
12	Jack Flaherty J. Flaherty	56	.000	56	0	1.000	56	7.44	302	0	0	0	268.2	319	222	233	64	115	14	0	4	1,232	14	10.12	3.85	2.63	2.14	24.5	9.3	1.62	.346	7.81	10.69
13	Erick Fedde E. Fedde	55	.000	55	0	1.000	53	8.08	170	0	0	0	254.0	340	228	235	54	111	9	0	8	1,186	7	6.02	3.93	1.53	1.91	14.3	9.4	1.78	.340	8.33	12.05
14	Chris Flexen C. Flexen	50	.000	50	0	1.000	45	8.31	154	0	0	0	216.2	297	200	209	47	111	9	2	4	1,046	7	6.40	4.61	1.39	1.95	14.7	10.6	1.88	.345	8.68	12.34
15	Luis Castillo L. Castillo	84	.000	84	0	1.000	84	5.95	464	0	0	0	445.0	480	294	328	85	176	20	0	5	1,981	11	9.38	3.56	2.64	1.72	23.4	8.9	1.47	.320	6.63	9.71
16	Nick Pivetta N. Pivetta	76	.000	76	0	1.000	70	8.01	382	0	0	0	341.2	423	304	319	76	151	13	0	4	1,588	17	10.06	3.98	2.53	2.00	24.1	9.5	1.68	.359	8.40	11.14
17	Antonio Senzatela A. Senzatela	59	.000	59	0	1.000	58	9.09	173	0	0	0	265.1	416	268	280	53	104	17	0	5	1,297	6	5.87	3.53	1.66	1.80	13.3	8.0	1.96	.382	9.50	14.11
18	Kyle Freeland K. Freeland	90	.000	90	0	1.000	90	7.25	298	0	0	0	454.1	621	366	408	93	157	18	0	8	2,119	8	5.90	3.11	1.90	1.84	14.1	7.4	1.71	.340	8.08	12.30
19	Germán Márquez G. Márquez	72	.000	72	0	1.000	72	7.98	310	1	0	0	361.0	512	320	349	74	132	16	0	9	1,708	14	7.73	3.29	2.35	1.84	18.1	7.7	1.78	.372	8.70	12.76
20	Trevor Williams T. Williams	65	.000	65	0	1.000	62	7.11	235	0	0	0	301.1	376	238	263	78	113	15	1	7	1,398	4	7.02	3.38	2.08	2.33	16.8	8.1	1.62	.311	7.86	11.23
21	Lucas Giolito L. Giolito	66	.000	66	0	1.000	66	7.91	338	0	0	0	333.1	396	293	314	96	157	18	0	5	1,544	16	9.13	4.24	2.15	2.59	21.9	10.2	1.66	.321	8.48	10.69
22	Joe Musgrove J. Musgrove	62	.000	62	0	1.000	62	7.18	316	0	0	0	312.1	398	249	265	73	106	24	0	6	1,438	9	9.11	3.05	2.98	2.10	22.0	7.4	1.61	.354	7.64	11.47
23	Reynaldo López R. López	54	.000	54	0	1.000	42	8.69	187	0	0	0	203.0	293	196	214	51	97	10	4	2	991	9	8.29	4.30	1.93	2.26	18.9	9.8	1.92	.375	9.49	12.99
24	Tyler Anderson T. Anderson	72	.000	72	0	1.000	71	6.56	309	0	0	0	362.1	442	264	288	84	137	13	0	5	1,658	13	7.68	3.40	2.26	2.09	18.6	8.3	1.60	.321	7.15	10.98
25	Jameson Taillon J. Taillon	60	.000	60	0	1.000	60	6.91	272	0	0	0	302.0	388	232	257	68	69	9	0	5	1,357	10	8.11	2.06	3.94	2.03	20.0	5.1	1.51	.341	7.66	11.56