which player has the highest winning percentage ever in history with a minimum of 150 games played

Clay Rapada has the highest career win percentage when pitching in 150+ games, at 1.000.

	NAME	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	ERA-	FIP	FIP-	H/9	PRAA
1	Clay Rapada C. Rapada	1.000	152	8	0	0	4.06	82	0	0	0	93.0	76	42	45	10	51	2	21	4	395	4	7.94	4.94	1.61	0.97	20.8	12.9	1.37	.264	4.35	94	4.43	103	7.35	-1.3
2	Jean Machi J. Machi	.867	194	13	2	0	3.38	152	0	0	6	191.2	164	72	76	18	57	2	44	6	776	10	7.14	2.68	2.67	0.85	19.6	7.3	1.15	.267	3.57	92	3.66	100	7.70	-0.7
3	Kevin Wickander K. Wickander	.833	150	5	1	0	4.02	101	0	0	2	138.2	151	62	70	12	85	8	38	12	642	9	6.56	5.52	1.19	0.78	15.7	13.2	1.70	.319	4.54	94	4.63	108	9.80	-5
4	Joe Nelson J. Nelson	.778	157	7	2	0	4.38	154	0	0	13	152.0	136	74	83	20	84	7	58	9	683	7	9.12	4.97	1.83	1.18	22.5	12.3	1.45	.278	4.91	100	4.59	106	8.05	-4.5
5	Brendan Donnelly B. Donnelly	.762	386	32	10	0	3.22	369	0	0	6	385.1	326	138	153	35	154	19	97	12	1,632	15	8.62	3.60	2.40	0.82	22.6	9.4	1.25	.276	3.57	75	3.67	86	7.61	27.8
6	Ryan Buchter R. Buchter	.739	285	17	6	0	3.16	259	0	0	2	236.1	173	83	95	33	115	10	36	8	986	6	9.86	4.38	2.25	1.26	26.3	11.7	1.22	.246	3.62	75	4.37	103	6.59	-3.9
7	Justin Miller J. Miller	.737	173	14	5	0	4.62	172	0	0	4	175.1	163	90	94	30	60	8	47	1	739	6	8.83	3.08	2.87	1.54	23.3	8.1	1.27	.284	4.83	106	4.57	108	8.37	-7
8	Adam Kolarek A. Kolarek	.733	175	11	4	0	3.62	101	0	0	4	149.1	143	60	64	13	43	13	40	7	634	5	6.09	2.59	2.35	0.78	15.9	6.8	1.25	.280	3.86	88	4.08	97	8.62	2.3
9	Dan Otero D. Otero	.733	358	22	8	0	3.39	262	0	0	3	403.2	433	152	167	37	56	10	89	19	1,658	6	5.84	1.25	4.68	0.82	15.8	3.4	1.21	.306	3.72	82	3.52	86	9.65	25.7
10	Brad Clontz B. Clontz	.733	272	22	8	0	4.34	210	0	0	8	277.2	276	134	147	30	120	12	63	26	1,209	4	6.81	3.89	1.75	0.97	17.4	9.9	1.43	.294	4.76	102	4.44	102	8.95	-2.8
11	Jeremy Jeffress J. Jeffress	.727	414	32	12	1	3.08	387	0	0	52	424.1	387	145	160	31	175	19	144	20	1,793	22	8.21	3.71	2.21	0.66	21.6	9.8	1.32	.301	3.39	72	3.64	86	8.21	25.7
12	Josh Roenicke J. Roenicke	.727	190	8	3	0	4.17	168	0	0	2	220.1	218	102	115	19	117	8	40	10	980	19	6.86	4.78	1.44	0.78	17.1	11.9	1.52	.298	4.70	96	4.37	105	8.90	-4.4
13	Taylor Tankersley T. Tankersley	.727	168	8	3	0	4.58	115	0	0	4	118.0	109	60	63	18	70	6	26	9	524	9	8.77	5.34	1.64	1.37	21.9	13.4	1.52	.289	4.81	106	5.13	119	8.31	-10.3
14	Spud Chandler S. Chandler	.717	211	109	43	184	2.84	614	109	26	6	1485.0	1,327	468	549	64	463	19	14		6,102	20	3.72	2.81	1.33	0.39	10.1	7.6	1.21	.256	3.33	73	3.30	88	8.04	71.2
15	Cionel Pérez C. Pérez	.714	257	15	6	0	4.22	218	0	0	6	237.0	222	111	130	18	129	12	48	7	1,057	12	8.28	4.90	1.69	0.68	20.6	12.2	1.48	.300	4.94	102	4.10	99	8.43	0.3
16	Richard Bleier R. Bleier	.714	335	15	6	2	3.27	187	0	0	5	330.1	348	120	138	24	54	18	61	14	1,371	16	5.09	1.47	3.46	0.65	13.6	3.9	1.22	.298	3.76	75	3.63	83	9.48	27.2
17	Joe Black J. Black	.714	172	30	12	16	3.91	222	2	0	25	414.0	391	180	200	53	129	2	93	7	1,737	0	4.83	2.80	1.72	1.15	12.8	7.4	1.26	.254	4.35	96	3.96	97	8.50	4.7
18	Julio Urías J. Urías	.706	158	60	25	122	3.11	710	0	0	4	717.0	599	248	274	84	193	28	11	5	2,917	12	8.91	2.42	3.68	1.05	24.3	6.6	1.10	.271	3.44	75	3.63	85	7.52	49.1
19	Peter Moylan P. Moylan	.706	499	24	10	0	3.10	324	0	0	4	418.2	370	144	170	30	180	21	74	34	1,768	14	6.96	3.87	1.80	0.64	18.3	10.2	1.31	.280	3.65	74	3.96	95	7.95	10.4
20	Jack Spring J. Spring	.706	155	12	5	5	4.26	86	0	0	8	186.0	195	88	106	21	78	5	51	18	823	4	4.16	3.77	1.10	1.02	10.4	9.5	1.47	.275	5.13	112	4.44	116	9.44	-12.8
21	Ben Weber B. Weber	.704	228	19	8	0	3.77	162	0	0	7	284.0	305	119	133	19	105	9	66	20	1,229	8	5.13	3.33	1.54	0.60	13.2	8.5	1.44	.306	4.21	85	3.95	89	9.67	14.9
22	Cade Smith C. Smith	.700	150	14	6	0	2.42	207	0	0	17	149.0	106	40	47	5	36	7	32	3	589	3	12.50	2.17	5.75	0.30	35.1	6.1	0.95	.302	2.84	60	1.67	41	6.40	40.4
23	Clayton Kershaw C. Kershaw	.699	455	223	96	451	2.53	3,052	25	15	0	2855.1	2,193	804	881	235	713	46	1	28	11,279	108	9.62	2.25	4.28	0.74	27.1	6.3	1.02	.271	2.78	65	2.85	70	6.91	375.1
24	Jerry Blevins J. Blevins	.698	609	30	13	1	3.54	508	0	0	7	495.1	417	195	209	50	195	27	123	26	2,098	12	9.23	3.54	2.61	0.91	24.2	9.3	1.24	.278	3.80	89	3.72	92	7.58	17.9
25	Rich Garces R. Garces	.697	287	23	10	0	3.74	296	0	0	7	341.1	290	142	162	32	164	11	60	19	1,476	6	7.80	4.32	1.80	0.84	20.1	11.1	1.33	.265	4.27	79	4.12	92	7.65	14.6