Paul Skenes has the best ERA with 135.0+ innings pitched this season, with an ERA of 1.94.

Interpreted as:

lowest era by a player with at least 135+ ip this regular season

	NAME	ERA	IP	SEASON	TM	G	W	L	W%	GS	SO	CG	SHO	SV	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	Paul Skenes P. Skenes	1.94	144.0	2025	PIT	24	7	8	.467	24	162	1	0	0	100	31	34	7	34	6	0	0	561	2	10.13	2.13	4.76	0.44	28.9	6.1	0.93	.264	2.13	45	2.31	57	6.25	28.4
2	Garrett Crochet G. Crochet	2.24	148.1	2025	BOS	23	13	4	.765	23	183	1	1	0	120	37	40	12	39	0	0	0	591	5	11.10	2.37	4.69	0.73	31.0	6.6	1.07	.303	2.43	52	2.47	59	7.28	28
3	Tarik Skubal T. Skubal	2.35	145.1	2025	DET	23	11	3	.786	23	187	1	1	0	104	38	38	12	21	4	0	0	553	2	11.58	1.30	8.90	0.74	33.8	3.8	0.86	.280	2.35	59	2.12	52	6.44	32.4
4	Cristopher Sánchez C. Sánchez	2.36	144.2	2025	PHI	23	11	3	.786	23	151	1	0	0	121	38	39	10	35	6	0	0	584	5	9.39	2.18	4.31	0.62	25.9	6.0	1.08	.291	2.43	57	2.76	66	7.53	22.3
5	Matthew Boyd M. Boyd	2.45	135.2	2025	CHC	23	11	5	.688	23	121	0	0	0	113	37	42	11	29	5	0	0	535	1	8.03	1.92	4.17	0.73	22.6	5.4	1.05	.276	2.79	61	3.12	78	7.50	13.5
6	Hunter Brown H. Brown	2.51	136.1	2025	HOU	23	9	5	.643	23	160	1	0	0	94	38	39	12	40	5	0	1	531	0	10.56	2.64	4.00	0.79	30.1	7.5	0.98	.261	2.57	63	2.89	70	6.21	18.6
7	Zack Wheeler Z. Wheeler	2.64	139.2	2025	PHI	22	9	5	.643	22	182	1	0	0	100	41	44	17	28	8	0	0	544	1	11.73	1.80	6.50	1.10	33.5	5.1	0.92	.269	2.84	63	2.85	68	6.44	20.2
8	Max Fried M. Fried	2.78	139.0	2025	NYY	23	12	4	.750	23	132	0	0	0	114	43	54	10	35	7	0	0	567	7	8.55	2.27	3.77	0.65	23.3	6.2	1.07	.272	3.50	69	3.04	71	7.38	18.6
9	Robbie Ray R. Ray	2.85	142.0	2025	SFG	24	9	5	.643	24	148	1	0	0	105	45	48	16	55	2	0	0	576	5	9.38	3.49	2.69	1.01	25.7	9.5	1.13	.251	3.04	70	3.68	94	6.65	3.7
10	Jacob deGrom J. deGrom	2.86	135.1	2025	TEX	23	10	5	.667	23	143	0	0	0	98	43	43	19	30	2	0	0	525	1	9.51	2.00	4.77	1.26	27.2	5.7	0.95	.239	2.86	71	3.52	83	6.52	10.5
11	Framber Valdez F. Valdez	2.97	145.2	2025	HOU	23	11	5	.688	23	145	2	0	0	120	48	50	8	49	6	0	0	595	8	8.96	3.03	2.96	0.49	24.4	8.2	1.16	.289	3.09	74	2.95	72	7.41	18.7
12	Bryan Woo B. Woo	3.02	140.0	2025	SEA	22	9	6	.600	22	136	0	0	0	106	47	50	21	25	3	0	0	548	2	8.74	1.61	5.44	1.35	24.8	4.6	0.94	.234	3.21	79	3.71	93	6.81	4.2
13	Luis Castillo L. Castillo	3.19	138.1	2025	SEA	24	8	6	.571	24	120	0	0	0	127	49	54	15	37	6	0	0	573	2	7.81	2.41	3.24	0.98	20.9	6.5	1.19	.284	3.51	84	3.71	93	8.26	4.1
14	Logan Webb L. Webb	3.24	147.1	2025	SFG	24	10	8	.556	24	165	0	0	0	150	53	57	10	34	4	0	0	614	2	10.08	2.08	4.85	0.61	26.9	5.5	1.25	.349	3.48	80	2.52	64	9.16	23.8
15	Carlos Rodón C. Rodón	3.35	139.2	2025	NYY	24	11	7	.611	24	159	0	0	0	97	52	58	19	56	4	0	0	570	4	10.25	3.61	2.84	1.22	27.9	9.8	1.10	.235	3.74	83	3.88	91	6.25	6
16	Yusei Kikuchi Y. Kikuchi	3.37	139.0	2025	LAA	25	6	7	.462	25	146	0	0	0	140	52	60	17	58	2	0	3	601	6	9.45	3.76	2.52	1.10	24.3	9.7	1.42	.325	3.88	82	3.88	91	9.06	5.9
17	Merrill Kelly M. Kelly	3.38	138.2	2025	TOT	24	9	7	.563	24	131	0	0	0	107	52	59	16	43	2	0	0	559	0	8.50	2.79	3.05	1.04	23.4	7.7	1.08	.248	3.83	80	3.68	92	6.94	4.7
18	Zack Littell Z. Littell	3.46	140.1	2025	TOT	23	9	8	.529	23	97	1	0	0	131	54	54	27	23	5	0	1	563	3	6.22	1.48	4.22	1.73	17.2	4.1	1.10	.253	3.46	89	4.82	120	8.40	-12.8
19	Ryan Pepiot R. Pepiot	3.77	136.0	2025	TBR	24	7	9	.438	24	134	0	0	0	114	57	62	24	47	5	0	0	555	3	8.87	3.11	2.85	1.59	24.1	8.5	1.18	.261	4.10	97	4.57	114	7.54	-8.7
20	Kevin Gausman K. Gausman	3.85	135.2	2025	TOR	23	8	8	.500	23	135	0	0	0	107	58	60	17	39	3	0	2	549	0	8.96	2.59	3.46	1.13	24.6	7.1	1.08	.254	3.98	96	3.67	88	7.10	7.2
21	Mitch Keller M. Keller	3.86	137.2	2025	PIT	24	5	10	.333	24	107	0	0	0	133	59	64	13	37	5	0	0	579	2	7.00	2.42	2.89	0.85	18.5	6.4	1.23	.288	4.18	90	3.69	90	8.69	6.1
22	José Berríos J. Berríos	3.89	136.2	2025	TOR	24	8	4	.667	24	116	0	0	0	128	59	64	20	45	6	0	2	568	1	7.64	2.96	2.58	1.32	20.4	7.9	1.27	.283	4.21	97	4.42	107	8.43	-4.2
23	José Soriano J. Soriano	4.01	137.0	2025	LAA	24	7	9	.438	24	119	0	0	0	131	61	69	8	61	4	0	0	587	7	7.82	4.01	1.95	0.53	20.3	10.4	1.40	.311	4.53	97	3.54	83	8.61	10.9
24	Nick Martinez N. Martinez	4.49	136.1	2025	CIN	26	10	9	.526	23	97	0	0	0	129	68	69	17	33	4	0	0	557	5	6.40	2.18	2.94	1.12	17.4	5.9	1.19	.276	4.56	101	4.11	95	8.52	3.5
25	Luis Severino L. Severino	4.82	136.1	2025	ATH	24	6	11	.353	24	103	0	0	0	139	73	82	13	44	13	0	1	598	3	6.80	2.90	2.34	0.86	17.2	7.4	1.34	.296	5.41	119	4.08	99	9.18	0.9