50 pitchers are tied for the best win percentage with an ERA worse than 0.00 this season, at 1.000. The first three are Shaun Anderson, Scott Barlow and Scott Blewett.

Interpreted as:

best MLB pitcher w% this regular season

	NAME	W%	ERA	SEASON	TM	W	L	G	GS	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	Shaun Anderson S. Anderson	1.000	10.32	2025	LAA	1	0	7	0	11	0	0	0	11.1	20	13	13	6	3	0	2	0	56	0	8.74	2.38	3.67	4.76	19.6	5.4	2.03	.389	10.32	249	8.84	206	15.88	-5.5
2	Scott Barlow S. Barlow	1.000	3.61	2025	CIN	6	0	58	0	57	0	0	0	52.1	37	21	22	4	32	5	3	2	230	2	9.80	5.50	1.78	0.69	24.8	13.9	1.32	.250	3.78	81	4.04	93	6.36	1.8
3	Scott Blewett S. Blewett	1.000	5.48	2025	TOT	3	0	26	2	35	0	0	0	44.1	45	27	29	9	18	1	10	0	194	1	7.11	3.65	1.94	1.83	18.0	9.3	1.42	.275	5.89	135	5.45	135	9.14	-7
4	John Brebbia J. Brebbia	1.000	7.71	2025	DET	1	0	19	0	20	0	0	0	18.2	22	16	18	3	11	3	11	0	93	2	9.64	5.30	1.82	1.45	21.5	11.8	1.77	.339	8.68	192	5.30	129	10.61	-2.5
5	John Curtiss J. Curtiss	1.000	4.19	2025	AZ	2	0	15	0	10	0	0	0	19.1	19	9	9	2	3	0	6	0	78	0	4.66	1.40	3.33	0.93	12.8	3.8	1.14	.270	4.19	99	3.88	98	8.84	0.2
6	Luis García L. García	1.000	3.77	2025	TOT	2	0	44	0	37	0	0	0	43.0	44	18	19	2	20	0	13	4	181	8	7.74	4.19	1.85	0.42	20.4	11.0	1.49	.344	3.98	91	3.38	81	9.21	3.8
7	Kendall Graveman K. Graveman	1.000	7.13	2025	AZ	1	0	19	0	9	0	0	0	17.2	23	14	14	2	12	1	4	0	82	0	4.58	6.11	0.75	1.02	11.0	14.6	1.98	.362	7.13	168	5.76	145	11.72	-3.6
8	Thomas Hatch T. Hatch	1.000	5.59	2025	TOT	1	0	3	0	6	0	0	0	9.2	9	6	6	2	8	0	1	1	44	0	5.59	7.45	0.75	1.86	13.6	18.2	1.76	.250	5.59	135	7.03	169	8.38	-3.1
9	Jacob Latz J. Latz	1.000	3.23	2025	TEX	1	0	25	3	52	0	0	1	55.2	47	20	21	5	27	0	5	2	232	2	8.41	4.37	1.93	0.81	22.4	11.6	1.33	.284	3.40	80	3.86	91	7.60	2.4
10	Jorge López J. López	1.000	6.57	2025	WSH	6	0	26	0	17	0	0	1	24.2	25	18	18	1	7	3	5	0	106	3	6.20	2.55	2.43	0.36	16.0	6.6	1.30	.308	6.57	158	3.47	84	9.12	1.8
11	Wade Miley W. Miley	1.000	6.75	2025	CIN	1	0	3	2	7	0	0	0	12.0	15	9	9	3	6	1	1	0	55	0	5.25	4.50	1.17	2.25	12.7	10.9	1.75	.316	6.75	152	6.93	160	11.25	-3.2
12	Sam Moll S. Moll	1.000	6.91	2025	CIN	1	0	18	0	18	0	0	0	14.1	12	11	13	2	8	0	3	0	64	3	11.30	5.02	2.25	1.26	28.1	12.5	1.40	.278	8.16	155	4.08	94	7.53	0.4
13	José Ruiz J. Ruiz	1.000	8.82	2025	TOT	1	0	18	0	15	0	0	0	16.1	23	16	17	3	9	0	2	0	79	0	8.27	4.96	1.67	1.65	19.0	11.4	1.96	.385	9.37	209	5.30	128	12.67	-2
14	Lucas Sims L. Sims	1.000	13.86	2025	WSH	1	0	18	0	13	0	0	0	12.1	14	19	19	2	14	7	2	0	72	3	9.49	10.22	0.93	1.46	18.1	19.4	2.27	.333	13.86	333	8.21	198	10.22	-5.5
15	Erik Swanson E. Swanson	1.000	15.19	2025	TOR	1	0	6	0	3	0	0	0	5.1	8	9	9	2	5	1	2	0	30	1	5.06	8.44	0.60	3.38	10.0	16.7	2.44	.316	15.19	378	10.23	246	13.50	-3.6
16	Michael Tonkin M. Tonkin	1.000	3.38	2025	MIN	1	0	6	0	4	0	0	0	8.0	4	3	3	1	4	2	1	0	34	0	4.50	4.50	1.00	1.13	11.8	11.8	1.00	.130	3.38	83	5.98	144	4.50	-1.6
17	Brandon Woodruff B. Woodruff	1.000	2.06	2025	MIL	4	0	7	7	49	0	0	0	39.1	21	9	9	7	8	1	0	0	147	1	11.21	1.83	6.13	1.60	33.3	5.4	0.74	.171	2.06	49	3.61	87	4.81	2.3
18	Trent Thornton T. Thornton	1.000	4.68	2025	SEA	2	0	33	0	32	0	0	0	42.1	41	22	23	6	14	4	7	2	180	1	6.80	2.98	2.29	1.28	17.8	7.8	1.30	.282	4.89	123	4.71	118	8.72	-3.6
19	Justin Lawrence J. Lawrence	1.000	0.79	2025	PIT	1	0	11	0	15	0	0	0	11.1	5	1	1	0	6	2	3	1	44	1	11.91	4.76	2.50	0.00	34.1	13.6	0.97	.238	0.79	19	2.57	63	3.97	1.9
20	Alexis Díaz A. Díaz	1.000	7.71	2025	TOT	1	0	13	0	9	0	0	0	14.0	13	12	12	6	7	3	3	0	65	0	5.79	4.50	1.29	3.86	13.8	10.8	1.43	.175	7.71	178	9.53	223	8.36	-7.8
21	Grant Wolfram G. Wolfram	1.000	6.75	2025	BAL	2	0	12	0	19	0	0	0	14.2	19	11	11	2	10	0	2	1	73	1	11.66	6.14	1.90	1.23	26.0	13.7	1.98	.405	6.75	170	4.33	106	11.66	-0.4
22	Nic Enright N. Enright	1.000	1.88	2025	CLE	2	0	21	0	20	0	0	1	24.0	13	5	6	2	11	2	7	0	95	0	7.50	4.13	1.82	0.75	21.1	11.6	1.00	.183	2.25	47	4.14	101	4.88	-0.1
23	Bryan Hoeing B. Hoeing	1.000	3.38	2025	SDP	1	0	7	0	5	0	0	0	8.0	9	3	3	0	3	0	0	0	36	1	5.63	3.38	1.67	0.00	13.9	8.3	1.50	.321	3.38	84	2.98	73	10.13	1
24	Tristan Beck T. Beck	1.000	5.17	2025	SFG	1	0	19	0	18	0	0	0	31.1	26	18	18	2	10	1	6	0	129	2	5.17	2.87	1.80	0.57	14.0	7.8	1.15	.245	5.17	127	3.83	98	7.47	0.3
25	Jackson Kowar J. Kowar	1.000	2.63	2025	SEA	2	0	11	0	10	0	0	0	13.2	8	4	4	3	4	1	6	0	52	2	6.59	2.63	2.50	1.98	19.2	7.7	0.88	.147	2.63	69	5.59	140	5.27	-2.5