Kodai Senga has the best ERA this season, with an ERA of 1.47.

Interpreted as:

best with a minimum of 1 IP per team game pitcher rotation 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	Kodai Senga K. Senga	1.47	2025	NYM	13	7	3	.700	13	70	0	0	0	73.2	51	12	15	4	31	1	0	0	293	4	8.55	3.79	2.26	0.49	23.9	10.6	1.11	.251	1.83	38	3.17	81	6.23	6.2
2	Paul Skenes P. Skenes	1.78	2025	PIT	15	4	6	.400	15	97	1	0	0	96.0	60	19	22	5	22	2	0	0	365	1	9.09	2.06	4.41	0.47	26.6	6.0	0.85	.230	2.06	43	2.47	62	5.63	15.9
3	Hunter Brown H. Brown	1.88	2025	HOU	14	8	3	.727	14	105	1	0	0	86.0	54	18	19	7	26	2	0	0	325	0	10.99	2.72	4.04	0.73	32.3	8.0	0.93	.254	1.99	48	2.65	66	5.65	13
4	Max Fried M. Fried	1.89	2025	NYY	15	9	2	.818	15	90	0	0	0	95.0	70	20	25	7	20	4	0	0	373	4	8.53	1.89	4.50	0.66	24.1	5.4	0.95	.250	2.37	48	2.88	69	6.63	13.3
5	Kris Bubic K. Bubic	1.92	2025	KCR	13	5	4	.556	13	82	0	0	0	79.2	59	17	19	3	26	2	0	1	317	1	9.26	2.94	3.15	0.34	25.9	8.2	1.07	.275	2.15	46	2.55	63	6.67	13.3
6	Tarik Skubal T. Skubal	1.99	2025	DET	14	7	2	.778	14	111	1	1	0	90.1	64	20	20	6	9	3	0	0	339	1	11.06	0.90	12.33	0.60	32.7	2.7	0.81	.276	1.99	51	1.86	47	6.38	21.7
7	Jacob deGrom J. deGrom	2.19	2025	TEX	14	6	2	.750	14	80	0	0	0	82.1	58	20	20	9	17	2	0	0	315	1	8.74	1.86	4.71	0.98	25.4	5.4	0.91	.237	2.19	55	3.23	78	6.34	8.1
8	Garrett Crochet G. Crochet	2.24	2025	BOS	15	6	4	.600	15	117	0	0	0	96.1	71	24	27	9	28	0	0	0	382	0	10.93	2.62	4.18	0.84	30.6	7.3	1.03	.272	2.52	53	2.72	67	6.63	14.5
9	Tyler Mahle T. Mahle	2.34	2025	TEX	14	6	3	.667	14	56	0	0	0	77.0	60	20	20	4	27	0	0	0	308	0	6.55	3.16	2.07	0.47	18.2	8.8	1.13	.253	2.34	59	3.33	81	7.01	6.7
10	David Peterson D. Peterson	2.49	2025	NYM	13	5	2	.714	13	71	1	1	0	79.2	70	22	25	4	25	4	0	1	330	2	8.02	2.82	2.84	0.45	21.5	7.6	1.19	.292	2.82	64	3.02	77	7.91	8
11	Robbie Ray R. Ray	2.55	2025	SFG	14	8	1	.889	14	92	0	0	0	81.1	58	23	25	6	33	0	0	0	327	4	10.18	3.65	2.79	0.66	28.1	10.1	1.12	.265	2.77	65	2.97	78	6.42	7.7
12	Drew Rasmussen D. Rasmussen	2.55	2025	TBR	14	6	4	.600	14	62	0	0	0	74.0	55	21	21	8	15	3	0	0	283	2	7.54	1.82	4.13	0.97	21.9	5.3	0.95	.241	2.55	67	3.52	90	6.69	3.3
13	Logan Webb L. Webb	2.58	2025	SFG	15	6	5	.545	15	105	0	0	0	94.1	86	27	31	6	20	1	0	0	380	2	10.02	1.91	5.25	0.57	27.6	5.3	1.12	.323	2.96	66	2.33	61	8.20	15.9
14	Freddy Peralta F. Peralta	2.60	2025	MIL	15	6	4	.600	15	84	0	0	0	83.0	62	24	25	9	32	4	0	0	343	3	9.11	3.47	2.63	0.98	24.5	9.3	1.13	.248	2.71	64	3.75	94	6.72	2.4
15	Yoshinobu Yamamoto Y. Yamamoto	2.64	2025	LAD	14	6	5	.545	14	90	0	0	0	78.1	55	23	26	8	30	2	0	0	315	4	10.34	3.45	3.00	0.92	28.6	9.5	1.09	.254	2.99	67	3.32	82	6.32	6.2
16	Zack Wheeler Z. Wheeler	2.76	2025	PHI	14	7	2	.778	14	110	0	0	0	88.0	59	27	28	10	19	2	0	0	338	1	11.25	1.94	5.79	1.02	32.5	5.6	0.89	.249	2.86	68	2.75	68	6.03	12.4
17	Matthew Boyd M. Boyd	2.79	2025	CHC	14	6	3	.667	14	73	0	0	0	80.2	75	25	30	9	19	5	0	0	327	1	8.14	2.12	3.84	1.00	22.3	5.8	1.17	.299	3.35	71	3.59	93	8.37	2.6
18	Chris Sale C. Sale	2.79	2025	ATL	14	4	4	.500	14	107	0	0	0	80.2	73	25	27	7	25	7	0	0	338	2	11.94	2.79	4.28	0.78	31.7	7.4	1.21	.344	3.01	68	2.73	70	8.14	10.5
19	Clay Holmes C. Holmes	2.87	2025	NYM	14	7	3	.700	14	68	0	0	0	78.1	67	25	27	9	25	4	0	0	322	5	7.81	2.87	2.72	1.03	21.1	7.8	1.17	.269	3.10	74	3.93	100	7.70	-0.1
20	MacKenzie Gore M. Gore	2.89	2025	WSH	15	3	6	.333	15	119	0	0	0	87.1	77	28	28	10	23	3	0	0	354	5	12.26	2.37	5.17	1.03	33.6	6.5	1.15	.337	2.89	72	2.72	68	7.94	12.4
21	Joe Ryan J. Ryan	2.93	2025	MIN	14	7	2	.778	13	89	0	0	0	80.0	55	26	27	10	17	9	0	0	315	0	10.01	1.91	5.24	1.13	28.3	5.4	0.90	.237	3.04	74	3.44	85	6.19	5.4
22	Carlos Rodón C. Rodón	3.01	2025	NYY	15	8	5	.615	15	107	0	0	0	89.2	57	30	33	10	32	2	0	0	356	2	10.74	3.21	3.34	1.00	30.1	9.0	0.99	.229	3.31	76	3.26	78	5.72	8.9
23	Yusei Kikuchi Y. Kikuchi	3.05	2025	LAA	15	2	6	.250	15	78	0	0	0	82.2	79	28	33	9	43	1	0	3	359	3	8.49	4.68	1.81	0.98	21.7	12.0	1.48	.307	3.59	75	4.19	100	8.60	-0.1
24	Cristopher Sánchez C. Sánchez	3.05	2025	PHI	14	5	2	.714	14	88	0	0	0	79.2	71	27	28	7	28	5	0	0	335	4	9.94	3.16	3.14	0.79	26.3	8.4	1.24	.309	3.16	75	3.24	80	8.02	7
25	Framber Valdez F. Valdez	3.10	2025	HOU	14	7	4	.636	14	96	2	0	0	90.0	70	31	31	6	28	4	0	0	359	4	9.60	2.80	3.43	0.60	26.7	7.8	1.09	.284	3.10	79	2.86	71	7.00	11.5