The Detroit Tigers had the lowest ERA by a team in April 2025, with an ERA of 2.50.

	TEAM	ERA	MONTH	G	W%	W	L	SO	SHO	SV	IP	H	ER	R	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Tigers	2.50	April 2025	27	.667	18	9	221	0	9	238.0	191	66	79	18	83	14	1	985	7	8.36	3.14	2.66	0.68	22.4	8.4	1.15	.267	2.99	7.22
2	Mets	2.68	April 2025	27	.704	19	8	257	0	9	242.0	211	72	84	11	82	9	0	1,009	11	9.56	3.05	3.13	0.41	25.5	8.1	1.21	.308	3.12	7.85
3	Brewers	2.95	April 2025	27	.593	16	11	219	0	5	238.0	194	78	88	19	101	7	5	994	6	8.28	3.82	2.17	0.72	22.0	10.2	1.24	.270	3.33	7.34
4	Twins	3.03	April 2025	27	.481	13	14	243	0	3	235.0	202	79	87	25	60	13	0	971	3	9.31	2.30	4.05	0.96	25.0	6.2	1.11	.281	3.33	7.74
5	Padres	3.08	April 2025	25	.560	14	11	223	1	10	219.0	178	75	81	19	75	8	2	908	4	9.16	3.08	2.97	0.78	24.6	8.3	1.16	.273	3.33	7.32
6	Royals	3.10	April 2025	27	.519	14	13	224	0	10	238.1	198	82	91	22	87	7	5	989	12	8.46	3.29	2.57	0.83	22.6	8.8	1.20	.271	3.44	7.48
7	Rangers	3.11	April 2025	26	.500	13	13	205	1	8	226.0	187	78	87	18	59	9	2	907	13	8.16	2.35	3.47	0.72	22.6	6.5	1.09	.274	3.46	7.45
8	Astros	3.30	April 2025	26	.538	14	12	238	0	7	231.2	187	85	92	27	64	7	0	939	4	9.25	2.49	3.72	1.05	25.3	6.8	1.08	.265	3.57	7.26
9	Cubs	3.57	April 2025	24	.625	15	9	198	0	5	217.0	196	86	97	24	79	7	2	918	4	8.21	3.28	2.51	1.00	21.6	8.6	1.27	.282	4.02	8.13
10	Mariners	3.61	April 2025	25	.640	16	9	217	0	9	229.1	209	92	106	21	89	4	7	973	6	8.52	3.49	2.44	0.82	22.3	9.1	1.30	.293	4.16	8.20
11	Reds	3.63	April 2025	27	.519	14	13	213	0	9	238.1	185	96	108	36	84	9	1	983	9	8.04	3.17	2.54	1.36	21.7	8.5	1.13	.232	4.08	6.99
12	Giants	3.63	April 2025	27	.593	16	11	241	0	8	235.1	215	95	107	20	92	9	3	997	9	9.22	3.52	2.62	0.76	24.2	9.2	1.30	.307	4.09	8.22
13	Rays	3.64	April 2025	26	.423	11	15	213	0	7	234.2	202	95	101	39	79	10	3	959	2	8.17	3.03	2.70	1.50	22.2	8.2	1.20	.264	3.87	7.75
14	Yankees	3.76	April 2025	28	.536	15	13	251	0	8	244.0	177	102	111	27	113	4	1	1,008	8	9.26	4.17	2.22	1.00	24.9	11.2	1.19	.245	4.09	6.53
15	Red Sox	3.94	April 2025	27	.593	16	11	249	0	7	244.2	227	107	127	24	93	13	4	1,051	3	9.16	3.42	2.68	0.88	23.7	8.8	1.31	.302	4.67	8.35
16	Phillies	4.04	April 2025	26	.538	14	12	245	0	8	231.2	228	104	117	26	78	9	3	994	11	9.52	3.03	3.14	1.01	24.6	7.8	1.32	.318	4.55	8.86
17	Braves	4.04	April 2025	25	.560	14	11	210	0	6	220.1	191	99	103	33	85	8	5	926	9	8.58	3.47	2.47	1.35	22.7	9.2	1.25	.268	4.21	7.80
18	Blue Jays	4.13	April 2025	25	.440	11	14	229	0	6	224.1	199	103	112	32	80	14	5	941	9	9.19	3.21	2.86	1.28	24.3	8.5	1.24	.285	4.49	7.98
19	Pirates	4.15	April 2025	26	.423	11	15	193	0	6	234.0	205	108	117	24	75	11	3	975	10	7.42	2.88	2.57	0.92	19.8	7.7	1.20	.269	4.50	7.88
20	Dodgers	4.17	April 2025	25	.600	15	10	220	0	9	220.0	197	102	115	27	89	6	1	924	14	9.00	3.64	2.47	1.10	23.8	9.6	1.30	.292	4.70	8.06
21	Cardinals	4.34	April 2025	27	.407	11	16	185	0	4	238.2	225	115	125	22	81	8	4	1,007	6	6.98	3.05	2.28	0.83	18.4	8.0	1.28	.286	4.71	8.48
22	Diamondbacks	4.35	April 2025	26	.538	14	12	229	0	9	234.0	217	113	128	31	84	13	2	996	8	8.81	3.23	2.73	1.19	23.0	8.4	1.29	.291	4.92	8.35
23	Guardians	4.48	April 2025	26	.577	15	11	233	0	9	229.0	228	114	122	36	100	4	1	990	13	9.16	3.93	2.33	1.41	23.5	10.1	1.43	.311	4.79	8.96
24	Athletics	4.60	April 2025	26	.538	14	12	204	0	9	233.0	243	119	134	27	99	10	4	1,040	4	7.88	3.82	2.06	1.04	19.6	9.5	1.47	.309	5.18	9.39
25	White Sox	4.74	April 2025	26	.192	5	21	193	0	1	222.0	212	117	128	33	111	20	5	988	7	7.82	4.50	1.74	1.34	19.5	11.2	1.45	.284	5.19	8.59