best winning% with a minimum of 100 decisions as a pitcher in the 1940s

Between the 1940 and 1949 seasons, Spud Chandler had the highest win percentage with 100+ decisions, at .714.

	NAME	W%	DEC	W	L	G	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Spud Chandler S. Chandler	.714	119	85	34	165	151	2.67	543	89	22	6	1211.2	1,039	359	425	49	387	16	9	4,939	18	4.03	2.87	1.40	0.36	11.0	7.8	1.18	.251	3.16	72	3.14	87	7.72	61
2	Harry Brecheen H. Brecheen	.640	164	105	59	216	172	2.74	666	101	22	12	1388.0	1,242	422	480	68	378	27	30	5,662	14	4.32	2.45	1.76	0.44	11.8	6.7	1.17	.260	3.11	72	3.06	80	8.05	115.8
3	Tex Hughson T. Hughson	.640	150	96	54	225	156	2.94	693	99	19	17	1375.2	1,270	450	504	77	372	11	51	5,663	5	4.53	2.43	1.86	0.50	12.2	6.6	1.19	.265	3.30	79	3.01	82	8.31	98.8
4	Howie Pollet H. Pollet	.629	132	83	49	204	145	2.99	508	82	18	8	1157.0	1,107	385	449	52	397	17	26	4,875	21	3.95	3.09	1.28	0.40	10.4	8.1	1.30	.270	3.49	78	3.27	86	8.61	69.6
5	Mort Cooper M. Cooper	.626	182	114	68	246	210	2.93	772	120	31	9	1606.1	1,441	523	598	77	462	25	26	6,627	24	4.33	2.59	1.67	0.43	11.6	7.0	1.18	.258	3.35	79	3.09	84	8.07	101
6	Bob Feller B. Feller	.626	219	137	82	266	231	2.90	1,396	155	28	16	1897.0	1,539	611	677	95	827	22	27	7,880	30	6.62	3.92	1.69	0.45	17.7	10.5	1.25	.261	3.21	76	3.11	83	7.30	133.9
7	Max Lanier M. Lanier	.621	124	77	47	194	128	2.68	588	63	16	11	1030.2	922	307	373	23	365	10	39	4,258	9	5.13	3.19	1.61	0.20	13.8	8.6	1.25	.275	3.26	73	2.77	75	8.05	102.2
8	Schoolboy Rowe S. Rowe	.619	126	78	48	193	135	3.62	373	60	7	5	1092.2	1,145	440	494	62	233	18	40	4,595	9	3.07	1.92	1.60	0.51	8.1	5.1	1.26	.277	4.07	92	3.31	85	9.43	70.8
9	Warren Spahn W. Spahn	.613	106	65	41	142	126	3.04	462	72	14	5	990.1	897	335	388	67	294	6	12	4,089	17	4.20	2.67	1.57	0.61	11.3	7.2	1.20	.255	3.53	81	3.38	89	8.15	47.4
10	Rip Sewell R. Sewell	.605	220	133	87	316	231	3.35	548	132	19	12	1894.0	1,864	706	848	101	646	20	55	8,102	26	2.60	3.07	0.85	0.48	6.8	8.0	1.33	.260	4.03	90	3.71	99	8.86	12.9
11	Allie Reynolds A. Reynolds	.602	171	103	68	247	192	3.46	791	73	16	14	1484.0	1,340	571	635	77	799	29	39	6,422	36	4.80	4.85	0.99	0.47	12.3	12.4	1.44	.267	3.85	97	3.79	106	8.13	-39.4
12	Whit Wyatt W. Wyatt	.595	121	72	49	151	144	3.04	498	71	15	1	1014.2	903	343	406	47	280	16	5	4,191	3	4.42	2.48	1.78	0.42	11.9	6.7	1.17	.256	3.60	84	3.09	84	8.01	66.3
13	Hal Newhouser H. Newhouser	.590	288	170	118	377	305	2.84	1,579	181	31	15	2453.1	2,127	774	927	84	1,068	10	56	10,360	52	5.79	3.92	1.48	0.31	15.2	10.3	1.30	.268	3.40	72	3.01	77	7.80	237.2
14	Tiny Bonham T. Bonham	.589	175	103	72	231	193	3.06	478	110	21	9	1551.0	1,501	528	580	117	287	9	27	6,284	4	2.77	1.67	1.67	0.68	7.6	4.6	1.15	.257	3.37	83	3.46	94	8.71	37.9
15	Virgil Trucks V. Trucks	.580	150	87	63	215	159	3.29	760	65	14	10	1281.2	1,126	469	530	81	491	14	37	5,391	28	5.34	3.45	1.55	0.57	14.1	9.1	1.26	.258	3.72	85	3.30	85	7.91	82
16	Fred Hutchinson F. Hutchinson	.578	109	63	46	144	110	3.56	429	59	10	5	912.1	870	361	403	84	253	6	24	3,786	9	4.23	2.50	1.70	0.83	11.3	6.7	1.23	.261	3.98	87	3.65	90	8.58	37.6
17	Hank Borowy H. Borowy	.578	180	104	76	261	208	3.35	650	93	16	7	1607.1	1,542	599	692	96	567	5	35	6,772	28	3.64	3.17	1.15	0.54	9.6	8.4	1.31	.265	3.87	93	3.53	98	8.63	7.6
18	Joe Dobson J. Dobson	.577	163	94	69	258	182	3.57	665	80	17	8	1434.2	1,343	569	640	81	570	9	45	6,062	40	4.17	3.58	1.17	0.51	11.0	9.4	1.33	.266	4.01	89	3.55	90	8.42	67.4
19	Bucky Walters B. Walters	.575	212	122	90	246	238	2.97	677	153	28	3	1868.1	1,724	616	726	92	631	24	6	7,778	28	3.26	3.04	1.07	0.44	8.7	8.1	1.26	.257	3.50	84	3.53	99	8.30	5.6
20	Claude Passeau C. Passeau	.566	196	111	85	258	207	2.94	646	130	21	12	1693.2	1,704	554	665	65	426	17	38	7,149	17	3.43	2.26	1.52	0.35	9.0	6.0	1.26	.273	3.53	84	3.07	87	9.05	88.7
21	Hank Wyse H. Wyse	.561	123	69	54	198	133	3.03	321	63	11	8	1063.0	1,105	358	432	50	268	15	38	4,452	9	2.72	2.27	1.20	0.42	7.2	6.0	1.29	.278	3.66	85	3.29	93	9.36	25.5
22	Kirby Higbe K. Higbe	.559	188	105	83	354	207	3.53	853	84	10	22	1692.2	1,492	663	759	102	819	25	82	7,273	47	4.54	4.35	1.04	0.54	11.7	11.3	1.37	.254	4.04	94	3.84	101	7.93	-6
23	Elmer Riddle E. Riddle	.556	117	65	52	189	124	3.41	342	57	13	8	1021.0	973	387	438	56	458	19	40	4,399	14	3.01	4.04	0.75	0.49	7.8	10.4	1.40	.260	3.86	94	3.99	109	8.58	-38.5
24	Clyde Shoun C. Shoun	.554	101	56	45	315	61	3.71	347	29	3	21	956.2	962	394	447	58	263	7	154	3,996	8	3.26	2.47	1.32	0.55	8.7	6.6	1.28	.272	4.21	101	3.48	95	9.05	20.9
25	Johnny Sain J. Sain	.549	144	79	65	194	147	3.28	539	90	11	10	1185.2	1,151	432	506	68	387	20	34	5,025	13	4.09	2.94	1.39	0.52	10.7	7.7	1.30	.270	3.84	88	3.38	90	8.74	47.4