Since August 1, 2025, the Cleveland Guardians have the lowest ERA by a team, with an ERA of 3.30.

	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	3.30	54	.630	34	20	482	1	17	482.1	416	177	196	50	144	18	4	1,985	11	8.99	2.69	3.35	0.93	24.3	7.3	1.16	.284	3.66	7.76
2	Dodgers	3.35	53	.566	30	23	547	0	13	469.2	354	175	182	44	177	16	14	1,926	28	10.48	3.39	3.09	0.84	28.4	9.2	1.13	.271	3.49	6.78
3	Cubs	3.45	54	.537	29	25	461	0	19	474.1	383	182	192	61	120	18	1	1,904	9	8.75	2.28	3.84	1.16	24.2	6.3	1.06	.259	3.64	7.27
4	Brewers	3.49	54	.611	33	21	495	0	15	481.2	404	187	212	53	175	26	6	2,008	10	9.25	3.27	2.83	0.99	24.7	8.7	1.20	.279	3.96	7.55
5	Red Sox	3.57	52	.577	30	22	445	0	15	463.1	418	184	199	52	166	24	4	1,962	22	8.64	3.22	2.68	1.01	22.7	8.5	1.26	.287	3.87	8.12
6	Reds	3.78	52	.500	26	26	473	1	15	462.1	398	194	217	68	145	22	5	1,921	19	9.21	2.82	3.26	1.32	24.6	7.5	1.17	.272	4.22	7.75
7	Phillies	3.78	54	.648	35	19	478	0	20	479.0	441	201	211	59	127	16	2	1,975	10	8.98	2.39	3.76	1.11	24.2	6.4	1.19	.295	3.96	8.29
8	Yankees	3.78	53	.642	34	19	478	0	13	474.0	408	199	220	54	188	22	4	2,006	20	9.08	3.57	2.54	1.03	23.8	9.4	1.26	.280	4.18	7.75
9	Padres	3.80	53	.566	30	23	504	0	13	471.0	385	199	208	72	177	21	7	1,953	9	9.63	3.38	2.85	1.38	25.8	9.1	1.19	.265	3.97	7.36
10	Mariners	3.91	52	.615	32	20	498	0	17	467.0	422	203	218	68	116	23	5	1,934	18	9.60	2.24	4.29	1.31	25.7	6.0	1.15	.288	4.20	8.13
11	Pirates	3.94	53	.453	24	29	484	0	12	466.0	432	204	225	54	160	30	6	1,982	17	9.35	3.09	3.03	1.04	24.4	8.1	1.27	.301	4.35	8.34
12	Rangers	3.97	52	.462	24	28	448	0	9	466.2	414	206	219	72	145	20	6	1,933	9	8.64	2.80	3.09	1.39	23.2	7.5	1.20	.274	4.22	7.98
13	Athletics	3.98	51	.549	28	23	432	0	10	454.2	399	201	218	61	179	20	7	1,920	8	8.55	3.54	2.41	1.21	22.5	9.3	1.27	.275	4.32	7.90
14	Blue Jays	4.02	52	.577	30	22	443	1	10	463.1	423	207	224	59	182	17	5	1,974	13	8.61	3.54	2.43	1.15	22.4	9.2	1.31	.286	4.35	8.22
15	Orioles	4.02	53	.472	25	28	462	0	12	474.1	441	212	239	64	160	11	9	1,989	19	8.77	3.04	2.89	1.21	23.2	8.0	1.27	.292	4.53	8.37
16	Rays	4.05	52	.442	23	29	499	0	11	455.2	402	205	228	62	158	24	3	1,907	17	9.86	3.12	3.16	1.22	26.2	8.3	1.23	.292	4.50	7.94
17	Royals	4.15	53	.528	28	25	391	0	16	466.1	445	215	226	59	146	15	2	1,945	18	7.55	2.82	2.68	1.14	20.1	7.5	1.27	.289	4.36	8.59
18	Giants	4.22	53	.509	27	26	426	0	15	469.0	469	220	246	49	156	31	7	2,016	14	8.17	2.99	2.73	0.94	21.1	7.7	1.33	.310	4.72	9.00
19	Astros	4.22	53	.472	25	28	447	0	11	471.0	427	221	241	73	183	16	1	2,004	11	8.54	3.50	2.44	1.39	22.3	9.1	1.30	.275	4.61	8.16
20	Diamondbacks	4.29	53	.547	29	24	383	0	13	476.1	454	227	245	57	159	9	4	2,023	11	7.24	3.00	2.41	1.08	18.9	7.9	1.29	.281	4.63	8.58
21	Tigers	4.35	52	.442	23	29	436	0	12	461.0	421	223	240	71	169	17	3	1,947	20	8.51	3.30	2.58	1.39	22.4	8.7	1.28	.279	4.69	8.22
22	Cardinals	4.53	52	.442	23	29	409	0	16	459.1	473	231	262	66	173	18	7	2,002	15	8.01	3.39	2.36	1.29	20.4	8.6	1.41	.305	5.13	9.27
23	Braves	4.59	54	.556	30	24	443	0	18	482.1	481	246	256	70	166	24	3	2,070	11	8.27	3.10	2.67	1.31	21.4	8.0	1.34	.301	4.78	8.98
24	White Sox	4.62	53	.377	20	33	483	0	12	465.1	430	239	262	74	196	14	12	2,004	20	9.34	3.79	2.46	1.43	24.1	9.8	1.35	.288	5.07	8.32
25	Mets	4.96	53	.396	21	32	459	0	6	466.0	466	257	285	54	162	30	1	2,026	21	8.86	3.13	2.83	1.04	22.7	8.0	1.35	.312	5.50	9.00