Kris Bubic has the best ERA this season, with an ERA of 1.45.

Interpreted as:

lowest era with a minimum of 1 IP per team game by 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	Kris Bubic K. Bubic	1.45	2025	KCR	11	5	2	.714	11	70	0	0	0	68.1	49	11	13	3	20	2	0	1	268	0	9.22	2.63	3.50	0.40	26.1	7.5	1.01	.266	1.71	35	2.56	63	6.45	11.6
2	Nathan Eovaldi N. Eovaldi	1.56	2025	TEX	12	4	3	.571	12	73	1	1	0	69.1	46	12	14	4	10	4	0	0	266	4	9.48	1.30	7.30	0.52	27.4	3.8	0.81	.240	1.82	39	2.33	56	5.97	14
3	Kodai Senga K. Senga	1.60	2025	NYM	11	6	3	.667	11	59	0	0	0	62.0	45	11	14	3	28	1	0	0	251	4	8.56	4.06	2.11	0.44	23.5	11.2	1.18	.263	2.03	41	3.21	82	6.53	5
4	Tyler Mahle T. Mahle	1.64	2025	TEX	12	5	2	.714	12	48	0	0	0	66.0	45	12	12	2	24	0	0	0	259	0	6.55	3.27	2.00	0.27	18.5	9.3	1.05	.232	1.64	41	3.11	74	6.14	7.7
5	Max Fried M. Fried	1.92	2025	NYY	12	7	1	.875	12	70	0	0	0	75.0	57	16	21	5	16	4	0	0	299	4	8.40	1.92	4.38	0.60	23.4	5.4	0.97	.255	2.52	48	2.88	68	6.84	10.9
6	Yoshinobu Yamamoto Y. Yamamoto	1.97	2025	LAD	11	6	3	.667	11	75	0	0	0	64.0	38	14	17	5	20	1	0	0	246	3	10.55	2.81	3.75	0.70	30.5	8.1	0.91	.228	2.39	49	2.73	68	5.34	9.2
7	Hunter Brown H. Brown	2.00	2025	HOU	11	7	3	.700	11	79	1	0	0	67.2	46	15	16	6	16	0	0	0	253	0	10.51	2.13	4.94	0.80	31.2	6.3	0.92	.263	2.13	51	2.60	64	6.12	11
8	Garrett Crochet G. Crochet	2.04	2025	BOS	12	4	4	.500	12	89	0	0	0	75.0	56	17	20	6	24	0	0	0	299	0	10.68	2.88	3.71	0.72	29.8	8.0	1.07	.278	2.40	48	2.70	65	6.72	11.8
9	Paul Skenes P. Skenes	2.15	2025	PIT	12	4	5	.444	12	77	1	0	0	75.1	51	18	20	4	18	2	0	0	293	1	9.20	2.15	4.28	0.48	26.3	6.1	0.92	.245	2.39	52	2.52	63	6.09	12.1
10	Tarik Skubal T. Skubal	2.26	2025	DET	12	5	2	.714	12	99	1	1	0	75.2	53	19	19	6	7	3	0	0	285	1	11.78	0.83	14.14	0.71	34.7	2.5	0.79	.276	2.26	57	1.89	47	6.30	18.4
11	Drew Rasmussen D. Rasmussen	2.33	2025	TBR	11	4	4	.500	11	48	0	0	0	58.0	41	15	15	6	13	3	0	0	222	0	7.45	2.02	3.69	0.93	21.6	5.9	0.93	.230	2.33	61	3.59	90	6.36	2.4
12	Jacob deGrom J. deGrom	2.42	2025	TEX	11	4	2	.667	11	62	0	0	0	63.1	47	17	17	9	14	1	0	0	247	1	8.81	1.99	4.43	1.28	25.1	5.7	0.96	.236	2.42	61	3.68	88	6.68	3.5
13	Robbie Ray R. Ray	2.43	2025	SFG	12	7	1	.875	12	78	0	0	0	70.1	48	19	19	5	30	0	0	0	281	3	9.98	3.84	2.60	0.64	27.8	10.7	1.11	.256	2.43	61	3.06	80	6.14	6
14	Joe Ryan J. Ryan	2.57	2025	MIN	11	5	2	.714	10	72	0	0	0	63.0	43	18	18	8	9	7	0	0	242	0	10.29	1.29	8.00	1.14	29.8	3.7	0.83	.240	2.57	65	3.20	78	6.14	6.2
15	Carlos Rodón C. Rodón	2.60	2025	NYY	12	7	3	.700	12	90	0	0	0	72.2	42	21	23	8	26	0	0	0	284	2	11.15	3.22	3.46	0.99	31.7	9.2	0.94	.213	2.85	65	3.10	74	5.20	8.8
16	David Peterson D. Peterson	2.69	2025	NYM	11	4	2	.667	11	59	0	0	0	63.2	57	19	22	4	23	4	0	1	271	2	8.34	3.25	2.57	0.57	21.8	8.5	1.26	.293	3.11	69	3.31	84	8.06	4.4
17	Corbin Burnes C. Burnes	2.72	2025	AZ	10	3	2	.600	10	57	0	0	0	59.2	45	18	22	7	25	3	0	1	246	1	8.60	3.77	2.28	1.06	23.2	10.2	1.17	.247	3.32	66	4.10	107	6.79	-1.8
18	Nick Pivetta N. Pivetta	2.74	2025	SDP	11	6	2	.750	11	71	0	0	0	62.1	45	19	20	6	18	1	0	0	246	0	10.25	2.60	3.94	0.87	28.9	7.3	1.01	.260	2.89	70	2.96	75	6.50	6.7
19	Freddy Peralta F. Peralta	2.77	2025	MIL	12	5	3	.625	12	66	0	0	0	65.0	50	20	21	8	26	3	0	0	272	3	9.14	3.60	2.54	1.11	24.3	9.6	1.17	.249	2.91	68	3.98	99	6.92	0.2
20	Bryan Woo B. Woo	2.82	2025	SEA	11	5	2	.714	11	63	0	0	0	70.1	58	22	22	7	9	2	0	0	276	0	8.06	1.15	7.00	0.90	22.8	3.3	0.95	.262	2.82	75	3.05	78	7.42	7.1
21	Logan Webb L. Webb	2.82	2025	SFG	12	5	5	.500	12	84	0	0	0	73.1	72	23	27	4	17	0	0	0	301	1	10.31	2.09	4.94	0.49	27.9	5.6	1.21	.347	3.31	71	2.19	58	8.84	13.6
22	Michael Wacha M. Wacha	2.88	2025	KCR	12	3	4	.429	12	50	0	0	0	68.2	62	22	22	5	18	1	0	0	282	0	6.55	2.36	2.78	0.66	17.7	6.4	1.17	.274	2.88	69	3.40	83	8.13	5.3
23	Zack Wheeler Z. Wheeler	2.96	2025	PHI	12	6	2	.750	12	94	0	0	0	76.0	52	25	25	9	18	2	0	0	293	0	11.13	2.13	5.22	1.07	32.1	6.1	0.92	.253	2.96	72	2.93	72	6.16	9.3
24	Chad Patrick C. Patrick	2.97	2025	MIL	13	3	4	.429	12	57	0	0	0	63.2	59	21	21	5	18	3	0	1	264	0	8.06	2.54	3.17	0.71	21.6	6.8	1.21	.298	2.97	73	3.30	82	8.34	5
25	Clay Holmes C. Holmes	2.98	2025	NYM	11	5	3	.625	11	56	0	0	0	60.1	52	20	22	5	23	3	0	0	252	5	8.35	3.43	2.43	0.75	22.2	9.1	1.24	.285	3.28	76	3.59	91	7.76	2.3