Yoshinobu Yamamoto has the lowest ERA this season, with an ERA of 0.90.

Interpreted as:

lowest era with a minimum of 1 IP per team game by a qualified pitcher 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	Yoshinobu Yamamoto Y. Yamamoto	0.90	2025	LAD	7	4	2	.667	7	49	0	0	0	40.0	24	4	7	2	13	0	0	0	153	1	11.03	2.93	3.77	0.45	32.0	8.5	0.93	.247	1.58	22	2.26	55	5.40	8
2	Max Fried M. Fried	1.05	2025	NYY	8	6	0	1.000	8	47	0	0	0	51.2	36	6	11	3	11	4	0	0	208	2	8.19	1.92	4.27	0.52	22.6	5.3	0.91	.231	1.92	26	2.90	69	6.27	7.3
3	Kodai Senga K. Senga	1.16	2025	NYM	7	4	2	.667	7	35	0	0	0	38.2	28	5	7	1	17	1	0	0	152	2	8.15	3.96	2.06	0.23	23.0	11.2	1.16	.276	1.63	29	3.01	76	6.52	4.1
4	Tyler Mahle T. Mahle	1.48	2025	TEX	8	3	1	.750	8	32	0	0	0	42.2	27	7	7	2	15	0	0	0	166	0	6.75	3.16	2.13	0.42	19.3	9.0	0.98	.214	1.48	37	3.25	78	5.70	4.3
5	Hunter Brown H. Brown	1.67	2025	HOU	7	5	1	.833	7	49	0	0	0	43.0	28	8	9	1	10	0	0	0	158	0	10.26	2.09	4.90	0.21	31.0	6.3	0.88	.276	1.88	43	1.81	45	5.86	10.7
6	Jesús Luzardo J. Luzardo	1.94	2025	PHI	7	3	0	1.000	7	47	0	0	0	41.2	38	9	12	1	11	0	0	0	170	1	10.15	2.38	4.27	0.22	27.6	6.5	1.18	.333	2.59	47	1.94	47	8.21	9.8
7	Kris Bubic K. Bubic	1.98	2025	KCR	7	3	2	.600	7	40	0	0	0	41.0	33	9	11	2	13	2	0	1	169	0	8.78	2.85	3.08	0.44	23.7	7.7	1.12	.277	2.41	48	2.87	70	7.24	5.5
8	Nick Pivetta N. Pivetta	2.01	2025	SDP	7	5	1	.833	7	44	0	0	0	40.1	26	9	10	3	12	0	0	0	155	0	9.82	2.68	3.67	0.67	28.4	7.7	0.94	.240	2.23	51	2.77	70	5.80	5.4
9	Garrett Crochet G. Crochet	2.02	2025	BOS	8	3	2	.600	8	56	0	0	0	49.0	32	11	14	3	20	0	0	0	196	0	10.29	3.67	2.80	0.55	28.6	10.2	1.06	.248	2.57	48	2.82	69	5.88	7
10	Nathan Eovaldi N. Eovaldi	2.03	2025	TEX	8	3	2	.600	8	53	1	1	0	48.2	35	11	13	3	4	4	0	0	186	3	9.80	0.74	13.25	0.55	28.5	2.2	0.80	.262	2.40	52	2.20	53	6.47	10.4
11	Freddy Peralta F. Peralta	2.18	2025	MIL	8	4	2	.667	8	48	0	0	0	45.1	32	11	11	5	15	1	0	0	181	1	9.53	2.98	3.20	0.99	26.5	8.3	1.04	.241	2.18	53	3.46	86	6.35	2.9
12	Tarik Skubal T. Skubal	2.21	2025	DET	7	3	2	.600	7	48	0	0	0	40.2	35	10	10	4	5	1	0	0	160	0	10.62	1.11	9.60	0.89	30.0	3.1	0.98	.304	2.21	57	2.45	61	7.75	7.2
13	Michael King M. King	2.22	2025	SDP	8	4	1	.800	8	48	1	1	0	44.2	30	11	12	4	14	2	0	0	178	2	9.67	2.82	3.43	0.81	27.0	7.9	0.99	.236	2.42	56	3.18	80	6.04	3.9
14	Hunter Greene H. Greene	2.36	2025	CIN	8	4	2	.667	8	61	0	0	0	45.2	29	12	12	7	8	2	0	0	176	2	12.02	1.58	7.63	1.38	34.7	4.5	0.81	.224	2.36	54	3.07	72	5.72	5.8
15	Shane Smith S. Smith	2.41	2025	CWS	7	1	2	.333	7	31	0	0	0	37.1	28	10	12	1	15	5	0	0	156	1	7.47	3.62	2.07	0.24	19.9	9.6	1.15	.260	2.89	60	3.38	81	6.75	3.3
16	Jacob deGrom J. deGrom	2.61	2025	TEX	7	2	1	.667	7	36	0	0	0	38.0	29	11	11	5	9	1	0	0	149	1	8.53	2.13	4.00	1.18	24.2	6.0	1.00	.245	2.61	66	3.69	89	6.87	2
17	Logan Webb L. Webb	2.61	2025	SFG	8	4	2	.667	8	56	0	0	0	48.1	45	14	15	1	13	0	0	0	195	1	10.43	2.42	4.31	0.19	28.7	6.7	1.20	.352	2.79	65	1.85	48	8.38	11.1
18	Tyler Anderson T. Anderson	2.68	2025	LAA	7	2	0	1.000	7	34	0	0	0	40.1	27	12	13	7	15	1	0	2	164	2	7.59	3.35	2.27	1.56	20.7	9.1	1.04	.187	2.90	66	4.85	115	6.02	-2.8
19	Casey Mize C. Mize	2.70	2025	DET	6	5	1	.833	6	27	0	0	0	36.2	31	11	11	6	9	0	0	0	146	1	6.63	2.21	3.00	1.47	18.5	6.2	1.09	.240	2.70	69	4.48	111	7.61	-1.8
20	Matthew Boyd M. Boyd	2.75	2025	CHC	7	3	2	.600	7	37	0	0	0	39.1	40	12	15	4	13	3	0	0	168	0	8.47	2.97	2.85	0.92	22.0	7.7	1.35	.324	3.43	68	3.75	96	9.15	0.7
21	Paul Skenes P. Skenes	2.77	2025	PIT	8	3	4	.429	8	47	0	0	0	48.2	34	15	17	4	12	1	0	0	190	1	8.69	2.22	3.92	0.74	24.7	6.3	0.95	.238	3.14	66	3.03	76	6.29	5.3
22	Shota Imanaga S. Imanaga	2.82	2025	CHC	8	3	2	.600	8	34	0	0	0	44.2	35	14	15	7	14	0	0	0	181	0	6.85	2.82	2.43	1.41	18.8	7.7	1.10	.222	3.02	70	4.54	116	7.05	-3.2
23	Robbie Ray R. Ray	2.84	2025	SFG	8	5	0	1.000	8	46	0	0	0	44.1	30	14	14	5	23	0	0	0	181	1	9.34	4.67	2.00	1.02	25.4	12.7	1.20	.234	2.84	71	4.04	105	6.09	-1.1
24	Seth Lugo S. Lugo	2.84	2025	KCR	8	3	3	.500	8	37	0	0	0	50.2	41	16	18	7	15	1	0	1	200	3	6.57	2.66	2.47	1.24	18.5	7.5	1.11	.243	3.20	69	4.37	107	7.28	-1.6
25	Cristopher Sánchez C. Sánchez	2.89	2025	PHI	7	4	1	.800	7	44	0	0	0	37.1	32	12	13	4	14	3	0	0	157	2	10.61	3.38	3.14	0.96	28.0	8.9	1.23	.304	3.13	70	3.49	85	7.71	2.5