Since July 17, 2025, the Cleveland Guardians have the best ERA by a team, with an ERA of 3.40.

	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	Guardians	3.40	67	.627	42	25	578	1	21	598.2	513	226	251	69	175	22	5	2,453	14	8.69	2.63	3.30	1.04	23.6	7.1	1.15	.276	3.77	7.71
2	Dodgers	3.45	65	.538	35	30	654	0	17	574.2	452	220	234	52	224	21	14	2,384	33	10.24	3.51	2.92	0.81	27.4	9.4	1.18	.279	3.66	7.08
3	Brewers	3.47	66	.621	41	25	601	0	20	588.2	490	227	258	67	213	33	6	2,448	12	9.19	3.26	2.82	1.02	24.6	8.7	1.19	.276	3.94	7.49
4	Red Sox	3.57	64	.563	36	28	539	0	19	569.2	517	226	246	73	206	31	5	2,414	28	8.52	3.25	2.62	1.15	22.3	8.5	1.27	.284	3.89	8.17
5	Padres	3.61	66	.576	38	28	598	0	15	583.0	470	234	245	83	211	27	9	2,401	11	9.23	3.26	2.83	1.28	24.9	8.8	1.17	.261	3.78	7.26
6	Cubs	3.73	66	.530	35	31	547	0	21	579.1	491	240	256	85	148	20	2	2,351	11	8.50	2.30	3.70	1.32	23.3	6.3	1.10	.262	3.98	7.63
7	Rangers	3.76	65	.508	33	32	572	0	12	581.2	499	243	259	83	193	25	6	2,406	12	8.85	2.99	2.96	1.28	23.8	8.0	1.19	.271	4.01	7.72
8	Reds	3.79	65	.508	33	32	597	2	18	577.1	499	243	271	76	192	28	5	2,418	19	9.31	2.99	3.11	1.18	24.7	7.9	1.20	.277	4.22	7.78
9	Pirates	3.81	65	.492	32	33	594	0	17	577.0	519	244	266	61	195	37	6	2,437	19	9.27	3.04	3.05	0.95	24.4	8.0	1.24	.295	4.15	8.10
10	Mariners	3.84	66	.591	39	27	627	0	20	592.2	532	253	275	78	156	32	6	2,460	25	9.52	2.37	4.02	1.18	25.5	6.3	1.16	.290	4.18	8.08
11	Athletics	3.92	64	.547	35	29	539	0	12	566.2	486	247	266	76	212	24	7	2,364	8	8.56	3.37	2.54	1.21	22.8	9.0	1.23	.271	4.22	7.72
12	Phillies	3.99	66	.621	41	25	593	0	20	587.0	553	260	273	82	157	24	2	2,443	11	9.09	2.41	3.78	1.26	24.3	6.4	1.21	.297	4.19	8.48
13	Yankees	4.03	66	.621	41	25	581	0	18	590.0	527	264	295	71	238	24	6	2,525	25	8.86	3.63	2.44	1.08	23.0	9.4	1.30	.283	4.50	8.04
14	Royals	4.10	65	.538	35	30	477	0	19	574.2	547	262	281	73	194	18	6	2,417	18	7.47	3.04	2.46	1.14	19.7	8.0	1.29	.286	4.40	8.57
15	Orioles	4.16	67	.478	32	35	567	0	15	595.1	556	275	305	85	220	17	11	2,522	23	8.57	3.33	2.58	1.28	22.5	8.7	1.30	.288	4.61	8.41
16	Rays	4.19	65	.415	27	38	617	0	14	568.2	511	265	295	78	199	25	5	2,395	18	9.76	3.15	3.10	1.23	25.8	8.3	1.25	.293	4.67	8.09
17	Blue Jays	4.23	66	.591	39	27	576	1	14	585.1	544	275	298	83	203	22	7	2,480	13	8.86	3.12	2.84	1.28	23.2	8.2	1.28	.289	4.58	8.36
18	Astros	4.24	66	.470	31	35	574	0	15	588.1	542	277	303	90	229	22	2	2,512	15	8.78	3.50	2.51	1.38	22.9	9.1	1.31	.283	4.64	8.29
19	Diamondbacks	4.26	65	.508	33	32	467	0	15	581.1	565	275	297	70	185	15	5	2,474	15	7.23	2.86	2.52	1.08	18.9	7.5	1.29	.285	4.60	8.75
20	Giants	4.31	65	.446	29	36	530	0	15	574.0	582	275	302	59	203	38	8	2,486	20	8.31	3.18	2.61	0.93	21.3	8.2	1.37	.316	4.74	9.13
21	Tigers	4.34	65	.431	28	37	555	0	13	573.0	532	276	296	82	202	20	4	2,425	24	8.72	3.17	2.75	1.29	22.9	8.3	1.28	.287	4.65	8.36
22	White Sox	4.43	65	.431	28	37	590	0	13	572.1	526	282	312	83	241	18	14	2,456	22	9.28	3.79	2.45	1.31	24.0	9.8	1.34	.291	4.91	8.27
23	Cardinals	4.55	65	.415	27	38	504	0	18	571.1	606	289	327	78	196	22	7	2,489	17	7.94	3.09	2.57	1.23	20.2	7.9	1.40	.313	5.15	9.55
24	Marlins	4.62	67	.522	35	32	541	0	18	598.1	555	307	335	95	204	29	7	2,554	35	8.14	3.07	2.65	1.43	21.2	8.0	1.27	.273	5.04	8.35
25	Mets	4.74	65	.431	28	37	560	0	12	571.2	570	301	334	66	208	43	1	2,497	27	8.82	3.27	2.69	1.04	22.4	8.3	1.36	.311	5.26	8.97