Danny Coulombe has the lowest ERA with an ERA worse than 0.00 this season, with an ERA of 0.65.

Interpreted as:

leaders in ERA+ in the MLB this regular season

	NAME	ERA	SEASON	TM	G	W	L	W%	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	Danny Coulombe D. Coulombe	0.65	2025	MIN	36	1	0	1.000	1	29	0	0	2	27.2	19	2	2	0	7	0	7	0	108	1	9.43	2.28	4.14	0.00	26.9	6.5	0.94	.264	0.65	16	1.75	43	6.18	7.3
2	Justin Lawrence J. Lawrence	0.79	2025	PIT	11	1	0	1.000	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	2.55	63	3.97	1.9
3	Randy Rodríguez R. Rodríguez	0.84	2025	SFG	42	3	1	.750	0	56	0	0	1	42.2	26	4	6	1	8	1	8	0	160	2	11.81	1.69	7.00	0.21	35.0	5.0	0.80	.266	1.27	21	1.40	36	5.48	12.3
4	Ryan Brasier R. Brasier	0.98	2025	CHC	19	0	0		1	15	0	0	0	18.1	13	2	2	0	3	0	4	0	67	0	7.36	1.47	5.00	0.00	22.4	4.5	0.87	.265	0.98	24	1.94	49	6.38	4.2
5	Joe Boyle J. Boyle	1.13	2025	TBR	4	1	0	1.000	1	17	0	0	0	16.0	5	2	5	0	6	1	0	0	60	0	9.56	3.38	2.83	0.00	28.3	10.0	0.69	.139	2.81	29	2.27	57	2.81	3.1
6	Matt Brash M. Brash	1.14	2025	SEA	26	1	0	1.000	0	25	0	0	1	23.2	16	3	4	1	10	2	2	1	97	0	9.51	3.80	2.50	0.38	25.8	10.3	1.10	.254	1.52	30	3.04	77	6.08	2.4
7	Aroldis Chapman A. Chapman	1.15	2025	BOS	42	3	2	.600	0	59	0	0	17	39.0	20	5	6	2	10	0	24	0	147	2	13.62	2.31	5.90	0.46	40.1	6.8	0.77	.237	1.38	27	1.49	36	4.62	11.4
8	Erik Sabrowski E. Sabrowski	1.17	2025	CLE	7	0	0		0	13	0	0	0	7.2	3	1	1	0	5	0	1	0	29	0	15.26	5.87	2.60	0.00	44.8	17.2	1.04	.273	1.17	29	1.65	41	3.52	2.1
9	Michael Kelly M. Kelly	1.29	2025	ATH	14	2	0	1.000	0	8	0	0	0	14.0	9	2	2	1	8	0	3	2	55	1	5.14	5.14	1.00	0.64	14.5	14.5	1.21	.211	1.29	32	4.58	112	5.79	-0.7
10	Shawn Dubin S. Dubin	1.33	2025	HOU	18	2	0	1.000	0	18	0	0	0	20.1	16	3	3	2	7	1	1	0	81	0	7.97	3.10	2.57	0.89	22.2	8.6	1.13	.264	1.33	33	3.77	93	7.08	0.7
11	Connor Seabold C. Seabold	1.35	2025	TBR	3	0	0		0	5	0	0	0	6.2	7	1	1	0	3	0	3	0	29	0	6.75	4.05	1.67	0.00	17.2	10.3	1.50	.333	1.35	35	2.93	74	9.45	0.8
12	Andre Granillo A. Granillo	1.35	2025	STL	5	1	0	1.000	0	2	0	0	1	6.2	3	1	1	0	1	0	2	0	24	1	2.70	1.35	2.00	0.00	8.3	4.2	0.60	.143	1.35	33	2.93	74	4.05	0.8
13	Cristian Mena C. Mena	1.35	2025	AZ	3	1	0	1.000	0	8	0	0	0	6.2	3	1	1	1	3	0	0	0	26	1	10.80	4.05	2.67	1.35	30.8	11.5	0.90	.143	1.35	32	3.98	101	4.05	0
14	Dylan Smith D. Smith	1.38	2025	DET	7	1	0	1.000	0	4	0	0	0	13.0	6	2	2	0	5	3	5	0	48	0	2.77	3.46	0.80	0.00	8.3	10.4	0.85	.167	1.38	35	4.31	106	4.15	-0.4
15	Gavin Hollowell G. Hollowell	1.42	2025	CHC	5	0	0		0	5	0	0	0	6.1	6	1	1	1	2	0	2	0	26	0	7.11	2.84	2.50	1.42	19.2	7.7	1.26	.278	1.42	35	4.50	113	8.53	-0.4
16	Andrés Muñoz A. Muñoz	1.46	2025	SEA	38	3	1	.750	0	48	0	0	21	37.0	18	6	10	1	15	2	26	3	146	4	11.68	3.65	3.20	0.24	32.9	10.3	0.89	.213	2.43	39	2.22	56	4.38	7.3
17	Dennis Santana D. Santana	1.49	2025	PIT	42	3	2	.600	0	34	0	0	5	42.1	27	7	8	1	7	0	14	0	159	0	7.23	1.49	4.86	0.21	21.4	4.4	0.80	.222	1.70	35	2.28	56	5.74	8.4
18	Shohei Ohtani S. Ohtani	1.50	2025	LAD	6	0	0		6	13	0	0	0	12.0	9	2	2	1	3	0	0	0	47	2	9.75	2.25	4.33	0.75	27.7	6.4	1.00	.267	1.50	37	2.75	66	6.75	1.8
19	Daniel Robert D. Robert	1.50	2025	PHI	8	0	0		0	11	0	0	0	6.0	4	1	1	0	6	0	3	0	27	0	16.50	9.00	1.83	0.00	40.7	22.2	1.67	.400	1.50	36	2.42	58	6.00	1.1
20	Cole Winn C. Winn	1.50	2025	TEX	14	0	1	.000	0	12	0	0	0	18.0	12	3	4	1	9	0	6	2	74	1	6.00	4.50	1.33	0.50	16.2	12.2	1.17	.212	2.00	37	3.97	95	6.00	0.4
21	Erik Miller E. Miller	1.50	2025	SFG	36	4	1	.800	0	22	0	0	0	30.0	24	5	5	0	20	3	2	4	128	1	6.60	6.00	1.10	0.00	17.2	15.6	1.47	.289	1.50	37	3.92	100	7.20	-0.1
22	Daniel Palencia D. Palencia	1.53	2025	CHC	34	0	2	.000	0	39	0	0	13	35.1	20	6	8	2	11	1	21	1	135	1	9.93	2.80	3.55	0.51	28.9	8.1	0.88	.220	2.04	38	2.63	66	5.09	5.4
23	Dan Altavilla D. Altavilla	1.54	2025	CWS	21	0	1	.000	0	16	0	0	1	23.1	13	4	5	4	8	2	9	0	89	0	6.17	3.09	2.00	1.54	18.0	9.0	0.90	.153	1.93	38	5.23	124	5.01	-2.5
24	Tyler Rogers T. Rogers	1.54	2025	SFG	49	4	2	.667	0	34	0	0	0	46.2	33	8	9	3	4	0	8	0	172	0	6.56	0.77	8.50	0.58	19.8	2.3	0.79	.229	1.74	38	2.72	70	6.36	6.3
25	Nathan Eovaldi N. Eovaldi	1.58	2025	TEX	16	7	3	.700	16	94	1	1	0	91.0	63	16	19	5	14	5	0	1	348	4	9.30	1.38	6.71	0.49	27.0	4.0	0.85	.252	1.88	39	2.36	56	6.23	18.2