Since June 1, 2025, the Philadelphia Phillies have the best ERA by a team, with an ERA of 3.07.

	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	Phillies	3.07	38	.500	19	19	312	0	7	331.2	283	113	121	35	99	11	1	1,361	9	8.47	2.69	3.15	0.95	22.9	7.3	1.15	.274	3.28	7.68
2	Brewers	3.10	37	.676	25	12	352	0	12	331.0	269	114	122	37	107	12	3	1,358	7	9.57	2.91	3.29	1.01	25.9	7.9	1.14	.273	3.32	7.31
3	Astros	3.43	38	.658	25	13	379	0	15	343.1	294	131	138	50	99	17	3	1,412	8	9.93	2.60	3.83	1.31	26.8	7.0	1.14	.281	3.62	7.71
4	Pirates	3.44	38	.447	17	21	290	0	7	329.2	283	126	133	45	92	11	3	1,351	10	7.92	2.51	3.15	1.23	21.5	6.8	1.14	.261	3.63	7.73
5	Rangers	3.50	38	.526	20	18	316	0	8	347.0	313	135	146	39	101	8	14	1,428	9	8.20	2.62	3.13	1.01	22.1	7.1	1.19	.284	3.79	8.12
6	Red Sox	3.52	38	.658	25	13	324	1	14	340.1	291	133	161	35	128	15	4	1,427	11	8.57	3.38	2.53	0.93	22.7	9.0	1.23	.277	4.26	7.70
7	Guardians	3.59	38	.395	15	23	312	0	9	340.2	287	136	149	36	139	17	10	1,433	9	8.24	3.67	2.24	0.95	21.8	9.7	1.25	.270	3.94	7.58
8	Padres	3.70	40	.500	20	20	334	0	14	353.0	304	145	154	37	147	17	8	1,506	15	8.52	3.75	2.27	0.94	22.2	9.8	1.28	.275	3.93	7.75
9	Marlins	3.79	39	.538	21	18	307	0	11	347.0	312	146	156	36	89	21	2	1,436	12	7.96	2.31	3.45	0.93	21.4	6.2	1.16	.281	4.05	8.09
10	Cubs	3.81	38	.553	21	17	251	0	8	335.0	310	142	152	51	83	14	2	1,369	5	6.74	2.23	3.02	1.37	18.3	6.1	1.17	.267	4.08	8.33
11	Mariners	3.85	39	.513	20	19	342	0	5	350.1	282	150	165	52	122	20	8	1,447	16	8.79	3.13	2.80	1.34	23.6	8.4	1.15	.252	4.24	7.24
12	Royals	4.00	38	.421	16	22	316	0	9	335.2	301	149	156	42	121	11	3	1,415	13	8.47	3.24	2.61	1.13	22.3	8.6	1.26	.280	4.18	8.07
13	Giants	4.03	39	.513	20	19	325	0	10	350.2	336	157	178	43	130	12	4	1,505	12	8.34	3.34	2.50	1.10	21.6	8.6	1.33	.294	4.57	8.62
14	Yankees	4.13	39	.462	18	21	322	0	8	346.2	308	159	172	51	122	21	4	1,459	8	8.36	3.17	2.64	1.32	22.1	8.4	1.24	.273	4.47	8.00
15	Rays	4.17	39	.513	20	19	358	0	7	343.1	309	159	174	49	120	19	3	1,447	8	9.38	3.15	2.98	1.28	24.7	8.3	1.25	.289	4.56	8.10
16	Braves	4.18	38	.395	15	23	383	0	4	337.2	299	157	166	46	123	14	3	1,416	11	10.21	3.28	3.11	1.23	27.0	8.7	1.25	.298	4.42	7.97
17	Reds	4.21	38	.553	21	17	311	1	7	335.2	313	157	174	49	124	16	4	1,440	5	8.34	3.32	2.51	1.31	21.6	8.6	1.30	.281	4.67	8.39
18	White Sox	4.21	39	.359	14	25	279	0	7	346.0	347	162	180	45	137	15	6	1,497	12	7.26	3.56	2.04	1.17	18.6	9.2	1.40	.296	4.68	9.03
19	Orioles	4.30	38	.579	22	16	337	0	12	339.0	343	162	170	45	104	13	5	1,448	17	8.95	2.76	3.24	1.19	23.3	7.2	1.32	.314	4.51	9.11
20	Diamondbacks	4.32	39	.513	20	19	332	0	10	346.0	339	166	183	52	120	14	6	1,473	5	8.64	3.12	2.77	1.35	22.5	8.1	1.33	.301	4.76	8.82
21	Blue Jays	4.35	38	.658	25	13	331	0	10	335.0	315	162	174	45	146	25	11	1,462	4	8.89	3.92	2.27	1.21	22.6	10.0	1.38	.295	4.67	8.46
22	Angels	4.36	39	.538	21	18	333	0	9	353.0	346	171	192	46	135	10	18	1,520	6	8.49	3.44	2.47	1.17	21.9	8.9	1.36	.301	4.90	8.82
23	Tigers	4.42	38	.553	21	17	308	0	9	338.1	337	166	185	48	115	12	5	1,441	13	8.19	3.06	2.68	1.28	21.4	8.0	1.34	.302	4.92	8.96
24	Athletics	4.48	39	.462	18	21	319	0	9	347.2	334	173	196	56	123	26	10	1,498	11	8.26	3.18	2.59	1.45	21.3	8.2	1.31	.285	5.07	8.65
25	Dodgers	4.56	39	.564	22	17	320	0	11	349.1	330	177	193	48	138	24	8	1,511	12	8.24	3.56	2.32	1.24	21.2	9.1	1.34	.287	4.97	8.50