who has the highest win percentage for a pitcher

The Los Angeles Dodgers have the highest winning percentage by a team this season, winning 62.7 percent of the time.

Interpreted as:

Who has the highest win percentage for a pitcher this regular season?

	TEAM	W%	SEASON	W	L	G	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Dodgers	.627	2025	52	31	83	83	4.20	728	0	0	28	742.0	682	346	377	105	295	37	17	3,164	36	8.83	3.58	2.47	1.27	23.0	9.3	1.32	.289	4.57	8.27
2	Tigers	.614	2025	51	32	83	83	3.46	698	1	1	23	738.1	644	284	320	87	240	36	7	3,067	22	8.51	2.93	2.91	1.06	22.8	7.8	1.20	.278	3.90	7.85
3	Astros	.598	2025	49	33	82	82	3.41	807	3	0	25	725.2	585	275	292	85	243	32	3	2,985	19	10.01	3.01	3.32	1.05	27.0	8.1	1.14	.275	3.62	7.26
4	Cubs	.585	2025	48	34	82	82	3.89	618	0	0	19	732.2	690	317	344	97	230	28	7	3,062	16	7.59	2.83	2.69	1.19	20.2	7.5	1.26	.284	4.23	8.48
5	Phillies	.585	2025	48	34	82	82	3.76	753	0	0	25	732.0	688	306	333	87	238	24	6	3,086	23	9.26	2.93	3.16	1.07	24.4	7.7	1.27	.303	4.09	8.46
6	Yankees	.580	2025	47	34	81	81	3.41	748	0	0	23	719.2	580	273	297	77	261	26	5	2,980	23	9.35	3.26	2.87	0.96	25.1	8.8	1.17	.269	3.71	7.25
7	Mets	.578	2025	48	35	83	83	3.28	721	1	1	23	738.0	640	269	308	60	307	31	5	3,127	34	8.79	3.74	2.35	0.73	23.1	9.8	1.28	.289	3.76	7.80
8	Brewers	.561	2025	46	36	82	82	3.85	692	0	0	22	727.1	660	311	337	88	285	29	13	3,093	19	8.56	3.53	2.43	1.09	22.4	9.2	1.30	.286	4.17	8.17
9	Rays	.561	2025	46	36	82	82	3.70	668	1	0	19	734.1	647	302	324	107	227	34	6	3,024	10	8.19	2.78	2.94	1.31	22.1	7.5	1.19	.272	3.97	7.93
10	Giants	.549	2025	45	37	82	82	3.38	702	0	0	24	726.2	641	273	311	64	258	26	9	3,039	26	8.69	3.20	2.72	0.79	23.1	8.5	1.24	.290	3.85	7.94
11	Padres	.543	2025	44	37	81	81	3.64	711	2	2	27	716.2	609	290	321	82	265	32	8	3,008	20	8.93	3.33	2.68	1.03	23.6	8.8	1.22	.275	4.03	7.65
12	Blue Jays	.543	2025	44	37	81	81	4.09	721	0	0	23	721.2	635	328	351	107	257	39	9	3,019	17	8.99	3.21	2.81	1.33	23.9	8.5	1.24	.279	4.38	7.92
13	Cardinals	.542	2025	45	38	83	83	3.93	603	2	2	20	739.2	706	323	352	70	222	24	9	3,108	27	7.34	2.70	2.72	0.85	19.4	7.1	1.25	.291	4.28	8.59
14	Reds	.524	2025	43	39	82	82	3.81	665	2	1	21	726.2	628	308	339	96	252	36	7	3,046	23	8.24	3.12	2.64	1.19	21.8	8.3	1.21	.266	4.20	7.78
15	Mariners	.519	2025	42	39	81	81	4.02	659	0	0	20	733.0	692	327	360	103	250	34	16	3,107	25	8.09	3.07	2.64	1.26	21.2	8.0	1.29	.286	4.42	8.50
16	Diamondbacks	.506	2025	41	40	81	81	4.76	689	0	0	25	720.1	701	381	416	110	267	36	12	3,105	14	8.61	3.34	2.58	1.37	22.2	8.6	1.34	.295	5.20	8.76
17	Guardians	.500	2025	40	40	80	80	3.93	670	1	0	23	705.1	672	308	334	82	291	29	10	3,033	24	8.55	3.71	2.30	1.05	22.1	9.6	1.37	.301	4.26	8.57
18	Angels	.494	2025	40	41	81	81	4.61	637	0	0	21	716.1	728	367	399	104	315	25	25	3,129	30	8.00	3.96	2.02	1.31	20.4	10.1	1.46	.305	5.01	9.15
19	Twins	.488	2025	40	42	82	82	4.14	710	1	0	16	720.0	676	331	357	83	217	40	6	3,051	20	8.88	2.71	3.27	1.04	23.3	7.1	1.24	.296	4.46	8.45
20	Rangers	.488	2025	40	42	82	82	3.26	637	2	1	22	721.0	601	261	284	70	227	22	10	2,947	27	7.95	2.83	2.81	0.87	21.6	7.7	1.15	.267	3.55	7.50
21	Red Sox	.482	2025	40	43	83	83	4.03	702	0	0	22	743.2	706	333	383	82	290	35	12	3,187	19	8.50	3.51	2.42	0.99	22.0	9.1	1.34	.300	4.64	8.54
22	Royals	.463	2025	38	44	82	82	3.43	667	0	0	25	730.0	647	278	300	80	235	23	9	3,028	33	8.22	2.90	2.84	0.99	22.0	7.8	1.21	.280	3.70	7.98
23	Braves	.457	2025	37	44	81	81	3.82	733	1	0	12	714.1	627	303	324	90	260	32	10	2,983	20	9.24	3.28	2.82	1.13	24.6	8.7	1.24	.287	4.08	7.90
24	Marlins	.438	2025	35	45	80	80	4.88	623	0	0	17	712.0	713	386	416	95	280	35	10	3,103	25	7.88	3.54	2.23	1.20	20.1	9.0	1.39	.299	5.26	9.01
25	Orioles	.432	2025	35	46	81	81	4.92	661	0	0	19	709.1	750	388	410	111	260	25	4	3,095	32	8.39	3.30	2.54	1.41	21.4	8.4	1.42	.314	5.20	9.52