best regular season winning percentage by an mlb player with a minimum of 8 games played

50 pitchers are tied for the highest career win percentage when pitching in 8+ games, at 1.000. The first three are Braydon Fisher, Chase Lee and Luis Mey.

	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	Braydon Fisher B. Fisher	1.000	8	1	0	1	4.66	13	0	0	0	9.2	7	5	5	2	2	0	3	0	36	0	12.10	1.86	6.50	1.86	36.1	5.6	0.93	.263	4.66	119	3.69	91	6.52	0.4
2	Chase Lee C. Lee	1.000	12	2	0	0	1.15	15	0	0	0	15.2	8	2	2	0	4	2	4	0	58	0	8.62	2.30	3.75	0.00	25.9	6.9	0.77	.216	1.15	29	2.30	57	4.60	3
3	Luis Mey L. Mey	1.000	14	1	0	0	4.15	14	0	0	0	13.0	7	6	6	2	7	1	6	0	54	2	9.69	4.85	2.00	1.38	25.9	13.0	1.08	.167	4.15	97	4.76	114	4.85	-0.8
4	Matt Sauer M. Sauer	1.000	21	1	0	1	5.11	22	0	0	1	37.0	39	21	23	6	14	1	12	0	162	1	5.35	3.41	1.57	1.46	13.6	8.6	1.43	.277	5.59	124	5.24	129	9.49	-4.9
5	Jeff Criswell J. Criswell	1.000	13	1	0	0	2.75	27	0	0	0	19.2	20	6	6	4	9	1	1	0	87	0	12.36	4.12	3.00	1.83	31.0	10.3	1.47	.348	2.75	59	4.58	108	9.15	-0.6
6	Brandon Eisert B. Eisert	1.000	28	2	0	2	4.50	34	0	0	1	32.0	33	16	16	3	10	4	7	1	138	1	9.56	2.81	3.40	0.84	24.6	7.2	1.34	.345	4.50	113	3.49	84	9.28	2.4
7	Nick Avila N. Avila	1.000	8	1	0	0	8.49	14	0	0	0	11.2	17	11	12	2	3	0	4	0	55	0	10.80	2.31	4.67	1.54	25.5	5.5	1.71	.417	9.26	212	3.76	97	13.11	0.2
8	Will Klein W. Klein	1.000	8	1	0	0	11.05	7	0	0	0	7.1	12	9	9	0	6	0	2	0	38	1	8.59	7.36	1.17	0.00	18.4	15.8	2.45	.480	11.05	276	3.71	92	14.73	0.3
9	Dedniel Núñez D. Núñez	1.000	30	2	0	0	2.79	51	0	0	1	38.2	25	12	14	3	14	0	5	1	153	2	11.87	3.26	3.64	0.70	33.3	9.2	1.01	.259	3.26	71	2.61	65	5.82	6.1
10	Ben Casparius B. Casparius	1.000	22	6	0	1	2.62	54	0	0	0	44.2	37	13	14	1	11	0	1	0	181	0	10.88	2.22	4.91	0.20	29.8	6.1	1.07	.313	2.82	66	1.70	42	7.46	11.5
11	Andrew Walters A. Walters	1.000	11	1	0	1	1.80	8	0	0	0	10.0	3	2	3	1	5	0	3	0	38	1	7.20	4.50	1.60	0.90	21.1	13.2	0.80	.083	2.70	46	4.35	108	2.70	-0.3
12	Michel Otañez M. Otañez	1.000	42	1	0	0	4.81	61	0	0	1	39.1	34	21	23	4	25	4	7	0	179	6	13.96	5.72	2.44	0.92	34.1	14.0	1.50	.353	5.26	123	3.58	89	7.78	1.8
13	Walter Pennington W. Pennington	1.000	16	1	0	1	3.00	17	0	0	0	18.0	19	6	7	1	11	2	3	0	84	1	8.50	5.50	1.55	0.50	20.2	13.1	1.67	.340	3.50	75	4.16	100	9.50	0
14	Ryder Ryan R. Ryan	1.000	16	1	0	0	5.40	19	0	0	0	21.2	21	13	14	2	10	3	5	0	97	0	7.89	4.15	1.90	0.83	19.6	10.3	1.43	.302	5.82	128	4.41	109	8.72	-0.8
15	Jordan Balazovic J. Balazovic	1.000	18	1	0	0	4.44	17	0	0	0	24.1	26	12	13	5	12	0	5	0	108	3	6.29	4.44	1.42	1.85	15.7	11.1	1.56	.284	4.81	104	6.01	140	9.62	-4.7
16	Cody Bolton C. Bolton	1.000	34	1	0	0	5.79	40	0	0	0	42.0	52	27	29	6	24	1	10	0	200	0	8.57	5.14	1.67	1.29	20.0	12.0	1.81	.357	6.21	139	4.94	119	11.14	-3.8
17	Caleb Boushley C. Boushley	1.000	13	1	0	0	4.78	27	0	0	1	26.1	29	14	15	5	8	1	7	1	115	2	9.23	2.73	3.38	1.71	23.5	7.0	1.41	.324	5.13	120	4.54	109	9.91	-1.1
18	Kody Funderburk K. Funderburk	1.000	46	4	0	0	5.56	59	0	0	1	56.2	61	35	36	7	24	7	16	0	255	4	9.37	3.81	2.46	1.11	23.1	9.4	1.50	.342	5.72	139	4.33	105	9.69	-1.3
19	Lane Ramsey L. Ramsey	1.000	21	1	0	0	5.85	18	0	0	0	20.0	25	13	13	1	9	0	7	0	92	3	8.10	4.05	2.00	0.45	19.6	9.8	1.70	.375	5.85	135	3.45	78	11.25	2.1
20	Joe Jacques J. Jacques	1.000	25	2	0	1	5.46	22	0	0	1	29.2	38	18	20	3	11	7	7	2	138	2	6.67	3.34	2.00	0.91	15.9	8.0	1.65	.368	6.07	122	4.89	115	11.53	-2
21	Brent Headrick B. Headrick	1.000	22	3	0	0	5.35	47	0	0	1	37.0	32	22	22	9	15	4	8	0	161	1	11.43	3.65	3.13	2.19	29.2	9.3	1.27	.267	5.35	127	5.36	126	7.78	-4.6
22	Anthony Veneziano A. Veneziano	1.000	34	1	0	0	3.90	30	0	0	0	32.1	36	14	18	5	13	2	5	0	148	2	8.35	3.62	2.31	1.39	20.3	8.8	1.52	.316	5.01	94	4.67	117	10.02	-2.3
23	Sammy Peralta S. Peralta	1.000	25	2	0	0	4.37	29	0	0	0	35.0	40	17	20	4	18	0	11	0	162	0	7.46	4.63	1.61	1.03	17.9	11.1	1.66	.324	5.14	104	4.58	106	10.29	-0.9
24	Joe La Sorsa J. La Sorsa	1.000	41	1	0	0	4.47	42	0	0	0	50.1	49	25	25	7	14	7	15	1	219	0	7.51	2.50	3.00	1.25	19.2	6.4	1.25	.282	4.47	106	4.61	108	8.76	-1.8
25	Alek Jacob A. Jacob	1.000	32	1	0	0	4.83	42	0	0	0	41.0	40	22	23	7	13	8	8	0	181	0	9.22	2.85	3.23	1.54	23.2	7.2	1.29	.297	5.05	124	4.82	123	8.78	-3.9