lowest career (wins/ (wins + losses)) with at least 200 losses

Chick Fraser has the fewest career pitcher wins / pitcher wins + pitcher losses when losing 200+ games, with 0.45.

Interpreted as:

lowest career (wins/ (wins + losses)) by a player with at least 200 losses

	NAME	(W/(W+L))	W	L	L%	W%	G	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	Chick Fraser C. Fraser	0.45	175	212	.548	.452	434	388	3.67	1,098	342	22	6	3364.0	3,462	1,373	2,000	69	1,338	219	43		14,553	146	2.94	3.58	0.82	0.18	7.5	9.2	1.43	.287	5.35	110	3.76	111	9.26	-140.2
2	Bob Friend B. Friend	0.46	197	230	.539	.461	602	497	3.58	1,734	163	36	10	3611.0	3,772	1,438	1,652	286	894	46	56	115	15,214	50	4.32	2.23	1.94	0.71	11.4	5.9	1.29	.284	4.12	94	3.35	89	9.40	172.2
3	Jim Whitney J. Whitney	0.48	191	204	.516	.484	413	396	2.97	1,571	377	26	2	3496.1	3,598	1,154	2,026	79	411	28	16		14,666	214	4.04	1.06	3.82	0.20	10.7	2.8	1.15	.280	5.22	96	2.75	87	9.26	148.2
4	Bobo Newsom B. Newsom	0.49	211	222	.513	.487	600	483	3.98	2,082	246	31	21	3759.1	3,769	1,664	1,908	206	1,732	61	71		16,467	60	4.98	4.15	1.20	0.49	12.6	10.5	1.46	.288	4.57	95	3.81	92	9.02	144.5
5	Jack Powell J. Powell	0.49	245	254	.509	.491	578	516	2.97	1,621	422	46	15	4389.0	4,319	1,450	1,991	110	1,021	120	57		17,896	67	3.32	2.09	1.59	0.23	9.1	5.7	1.22	.280	4.08	95	3.01	97	8.86	35
6	Charlie Hough C. Hough	0.5	216	216	.500	.500	858	440	3.75	2,362	107	13	61	3801.1	3,283	1,582	1,807	383	1,665	174	240	44	16,170	179	5.59	3.94	1.42	0.91	14.6	10.3	1.30	.250	4.28	95	4.28	109	7.77	-142.3
7	Frank Tanana F. Tanana	0.5	240	236	.496	.504	638	616	3.66	2,773	143	34	1	4188.1	4,063	1,704	1,910	448	1,255	129	10	116	17,641	119	5.96	2.70	2.21	0.96	15.7	7.1	1.27	.277	4.10	94	3.78	96	8.73	66.4
8	Paul Derringer P. Derringer	0.51	223	212	.487	.513	579	445	3.46	1,507	251	32	29	3645.0	3,912	1,401	1,652	158	761	32	98		15,391	50	3.72	1.88	1.98	0.39	9.8	4.9	1.28	.290	4.08	93	3.26	86	9.66	218.5
9	Sad Sam Jones S. Sam Jones	0.51	229	217	.487	.513	647	487	3.84	1,223	250	36	31	3883.0	4,084	1,656	2,008	151	1,396	69	116		16,662	73	2.83	3.24	0.88	0.35	7.3	8.4	1.41	.285	4.65	98	3.93	101	9.47	-7.5
10	Eppa Rixey E. Rixey	0.51	266	251	.485	.515	692	554	3.15	1,350	290	37	14	4494.2	4,633	1,572	1,986	93	1,082	76	99		18,754	97	2.70	2.17	1.25	0.19	7.2	5.8	1.27	.281	3.98	88	3.29	91	9.28	162.7
11	Jerry Koosman J. Koosman	0.52	222	209	.485	.515	612	527	3.36	2,556	140	33	17	3839.1	3,635	1,433	1,608	290	1,198	71	43	121	15,996	89	5.99	2.81	2.13	0.68	16.0	7.5	1.26	.282	3.77	92	3.25	90	8.52	152.5
12	Joe Niekro J. Niekro	0.52	221	204	.480	.520	702	500	3.59	1,747	107	29	16	3584.1	3,466	1,431	1,620	276	1,262	65	93	71	15,166	172	4.39	3.17	1.38	0.69	11.5	8.3	1.32	.270	4.07	102	3.79	107	8.70	-109.2
13	Nolan Ryan N. Ryan	0.53	324	292	.474	.526	807	773	3.19	5,714	222	61	3	5386.0	3,923	1,911	2,178	321	2,795	158	13	78	22,575	277	9.55	4.67	2.04	0.54	25.3	12.4	1.25	.265	3.64	90	2.96	83	6.56	370.2
14	Ted Lyons T. Lyons	0.53	260	230	.469	.531	594	484	3.67	1,073	356	27	25	4161.0	4,489	1,696	2,056	222	1,121	31	91		17,797	55	2.32	2.42	0.96	0.48	6.0	6.3	1.35	.278	4.45	85	4.01	95	9.71	91.7
15	Jack Quinn J. Quinn	0.53	247	218	.469	.531	756	443	3.29	1,329	243	28	56	3920.1	4,238	1,433	1,837	103	860	91	218		16,356	62	3.05	1.97	1.55	0.24	8.1	5.3	1.30	.296	4.22	89	3.17	87	9.73	217.4
16	Gus Weyhing G. Weyhing	0.53	264	232	.468	.532	540	505	3.88	1,667	449	28	4	4337.0	4,576	1,872	2,796	120	1,570	277	34		19,188	240	3.46	3.26	1.06	0.25	8.7	8.2	1.42	.286	5.80	96	3.82	97	9.50	55.7
17	Bert Blyleven B. Blyleven	0.53	287	250	.466	.534	692	685	3.31	3,701	242	60	0	4970.0	4,632	1,830	2,029	430	1,322	155	3	71	20,491	114	6.70	2.39	2.80	0.78	18.1	6.5	1.20	.282	3.67	85	3.18	82	8.39	368.6
18	Phil Niekro P. Niekro	0.54	318	274	.463	.537	864	716	3.35	3,342	245	45	29	5404.0	5,044	2,012	2,337	482	1,809	123	83	86	22,677	226	5.57	3.01	1.85	0.80	14.7	8.0	1.27	.270	3.89	87	3.61	95	8.40	116.1
19	Robin Roberts R. Roberts	0.54	286	245	.461	.539	676	609	3.41	2,357	305	45	25	4688.2	4,582	1,774	1,962	505	902	54	49	69	19,174	33	4.52	1.73	2.61	0.97	12.3	4.7	1.17	.265	3.77	89	3.50	91	8.80	179.6
20	Pud Galvin P. Galvin	0.54	361	308	.460	.540	697	681	2.87	1,799	639	57	1	5941.1	6,352	1,895	3,315	121	744	54	18		25,160	220	2.73	1.13	2.42	0.18	7.2	3.0	1.19	.278	5.02	94	2.97	95	9.62	94.5
21	Gaylord Perry G. Perry	0.54	314	265	.458	.542	777	690	3.11	3,534	303	53	10	5350.0	4,938	1,846	2,128	399	1,379	108	33	164	21,953	160	5.95	2.32	2.56	0.67	16.1	6.3	1.18	.275	3.58	85	3.06	85	8.31	312.9
22	Red Faber R. Faber	0.54	254	213	.456	.544	669	483	3.15	1,471	273	29	27	4086.2	4,106	1,430	1,813	111	1,213	103	134		17,104	52	3.24	2.67	1.21	0.24	8.6	7.1	1.30	.281	3.99	84	3.43	93	9.04	124.6
23	Jim Kaat J. Kaat	0.54	283	237	.456	.544	898	625	3.45	2,461	180	31	17	4530.1	4,620	1,738	2,038	395	1,083	122	102	116	19,023	128	4.89	2.15	2.27	0.78	12.9	5.7	1.26	.282	4.05	93	3.41	91	9.18	165.8
24	Red Ruffing R. Ruffing	0.55	273	225	.452	.548	624	538	3.80	1,987	335	45	18	4344.0	4,284	1,833	2,115	254	1,541	58	69		18,546	46	4.12	3.19	1.29	0.53	10.7	8.3	1.34	.274	4.38	91	3.93	95	8.88	82.3
25	Vic Willis V. Willis	0.55	249	205	.452	.548	513	471	2.63	1,651	388	50	11	3996.0	3,621	1,167	1,620	66	1,212	156	41		16,263	94	3.72	2.73	1.36	0.15	10.2	7.5	1.21	.270	3.65	86	2.96	95	8.16	82