Since June 1, 2024, the Milwaukee Brewers have the lowest ERA by a team, with an ERA of 3.58.

	TEAM	ERA	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	Brewers	3.58	264	.587	155	109	2,312	0	78	2355.2	2,031	937	1,028	296	838	104	35	9,850	58	8.83	3.20	2.76	1.13	23.5	8.5	1.22	.275	3.93	7.76
2	Guardians	3.68	263	.532	140	123	2,245	1	80	2331.0	2,051	953	1,040	286	846	86	28	9,746	66	8.67	3.27	2.65	1.10	23.0	8.7	1.24	.281	4.02	7.92
3	Mariners	3.69	262	.546	143	119	2,316	0	61	2349.1	2,064	964	1,065	307	677	104	35	9,727	76	8.87	2.59	3.42	1.18	23.8	7.0	1.17	.278	4.08	7.91
4	Padres	3.70	261	.571	149	112	2,309	3	74	2312.0	1,992	951	1,023	276	810	109	33	9,664	81	8.99	3.15	2.85	1.07	23.9	8.4	1.21	.279	3.98	7.75
5	Astros	3.71	262	.565	148	114	2,464	0	79	2334.1	2,008	961	1,046	315	819	90	8	9,749	63	9.50	3.16	3.01	1.21	25.3	8.4	1.21	.279	4.03	7.74
6	Rays	3.72	263	.490	129	134	2,295	0	69	2322.1	2,041	960	1,049	322	739	103	17	9,648	51	8.89	2.86	3.11	1.25	23.8	7.7	1.20	.278	4.07	7.91
7	Tigers	3.78	264	.545	144	120	2,214	2	70	2350.1	2,096	987	1,082	289	745	96	24	9,782	73	8.48	2.85	2.97	1.11	22.6	7.6	1.21	.281	4.14	8.03
8	Cubs	3.78	263	.548	144	119	2,065	0	69	2326.2	2,097	978	1,055	321	694	79	11	9,631	44	7.99	2.68	2.98	1.24	21.4	7.2	1.20	.274	4.08	8.11
9	Royals	3.81	262	.500	131	131	2,117	0	70	2321.0	2,122	982	1,060	270	763	91	31	9,714	83	8.21	2.96	2.77	1.05	21.8	7.9	1.24	.286	4.11	8.23
10	Rangers	3.86	264	.496	131	133	2,211	1	65	2342.0	2,096	1,005	1,072	308	765	99	39	9,792	81	8.50	2.94	2.89	1.18	22.6	7.8	1.22	.279	4.12	8.05
11	Giants	3.91	263	.490	129	134	2,272	2	64	2328.0	2,170	1,011	1,105	236	846	106	25	9,878	85	8.78	3.27	2.69	0.91	23.0	8.6	1.30	.301	4.27	8.39
12	Mets	3.96	264	.557	147	117	2,321	2	66	2336.0	2,103	1,028	1,127	261	902	140	9	9,940	107	8.94	3.48	2.57	1.01	23.4	9.1	1.29	.292	4.34	8.10
13	Pirates	3.97	264	.451	119	145	2,159	0	63	2330.0	2,152	1,029	1,118	251	795	134	28	9,856	69	8.34	3.07	2.72	0.97	21.9	8.1	1.26	.292	4.32	8.31
14	Reds	4.00	264	.504	133	131	2,250	3	63	2333.1	2,089	1,037	1,126	324	796	122	24	9,856	72	8.68	3.07	2.83	1.25	22.8	8.1	1.24	.277	4.34	8.06
15	Red Sox	4.01	263	.529	139	124	2,179	1	72	2355.2	2,219	1,049	1,187	301	830	123	34	10,042	85	8.33	3.17	2.63	1.15	21.7	8.3	1.29	.290	4.54	8.48
16	Phillies	4.01	263	.567	149	114	2,329	2	66	2331.0	2,228	1,039	1,104	308	705	95	12	9,816	59	8.99	2.72	3.30	1.19	23.7	7.2	1.26	.301	4.26	8.60
17	Braves	4.02	266	.496	132	134	2,465	0	57	2362.1	2,153	1,054	1,123	297	810	115	31	9,932	60	9.39	3.09	3.04	1.13	24.8	8.2	1.25	.297	4.28	8.20
18	Yankees	4.09	262	.553	145	117	2,362	0	66	2339.1	2,096	1,062	1,162	299	890	111	20	9,945	78	9.09	3.42	2.65	1.15	23.8	8.9	1.28	.286	4.47	8.06
19	Dodgers	4.09	262	.580	152	110	2,355	1	76	2330.1	2,083	1,059	1,153	310	881	94	44	9,856	111	9.10	3.40	2.67	1.20	23.9	8.9	1.27	.285	4.45	8.04
20	Cardinals	4.14	266	.504	134	132	2,044	2	77	2366.1	2,300	1,088	1,200	273	747	72	29	10,006	74	7.77	2.84	2.74	1.04	20.4	7.5	1.29	.295	4.56	8.75
21	Blue Jays	4.29	265	.521	138	127	2,262	2	64	2346.2	2,138	1,118	1,207	344	841	123	42	9,938	53	8.68	3.23	2.69	1.32	22.8	8.5	1.27	.282	4.63	8.20
22	White Sox	4.38	263	.319	84	179	2,136	0	35	2306.0	2,222	1,122	1,240	304	1,002	110	48	10,041	82	8.34	3.91	2.13	1.19	21.3	10.0	1.40	.296	4.84	8.67
23	Orioles	4.46	266	.489	130	136	2,223	0	65	2352.2	2,316	1,166	1,266	335	822	81	26	10,093	94	8.50	3.14	2.70	1.28	22.0	8.1	1.33	.299	4.84	8.86
24	Twins	4.51	264	.451	119	145	2,317	0	51	2335.1	2,260	1,171	1,257	314	750	113	28	9,978	78	8.93	2.89	3.09	1.21	23.2	7.5	1.29	.300	4.84	8.71
25	Diamondbacks	4.56	264	.545	144	120	2,152	0	69	2358.1	2,336	1,195	1,284	316	806	94	40	10,120	56	8.21	3.08	2.67	1.21	21.3	8.0	1.33	.299	4.90	8.91