The Colorado Rockies have the worst ERA by a team this season, with an ERA of 5.73.

Interpreted as:

teams with the most amount of era this regular season

	TEAM	ERA	SEASON	G	W%	W	L	GS	SO	CG	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	Rockies	5.73	2025	43	.163	7	36	43	283	0	0	5	372.0	442	237	275	53	151	13	4	1,679	23	6.85	3.65	1.87	1.28	16.9	9.0	1.59	.330	6.65	10.69
2	Marlins	5.53	2025	42	.381	16	26	42	330	0	0	7	372.2	384	229	244	57	176	17	6	1,661	13	7.97	4.25	1.88	1.38	19.9	10.6	1.50	.302	5.89	9.27
3	Nationals	5.37	2025	45	.400	18	27	45	360	0	0	13	392.0	404	234	243	44	165	31	1	1,742	26	8.27	3.79	2.18	1.01	20.7	9.5	1.45	.315	5.58	9.28
4	Orioles	5.34	2025	42	.357	15	27	42	310	0	0	7	364.0	394	216	230	65	146	13	2	1,605	19	7.66	3.61	2.12	1.61	19.3	9.1	1.48	.307	5.69	9.74
5	Angels	5.09	2025	42	.405	17	25	42	309	0	0	9	366.0	383	207	225	59	164	11	11	1,610	19	7.60	4.03	1.88	1.45	19.2	10.2	1.49	.304	5.53	9.42
6	Athletics	4.84	2025	43	.512	22	21	43	347	0	0	13	384.2	392	207	228	51	171	22	6	1,718	7	8.12	4.00	2.03	1.19	20.2	10.0	1.46	.303	5.33	9.17
7	Diamondbacks	4.71	2025	44	.523	23	21	44	381	0	0	15	394.0	384	206	226	59	148	18	5	1,703	10	8.70	3.38	2.57	1.35	22.4	8.7	1.35	.296	5.16	8.77
8	Blue Jays	4.40	2025	43	.488	21	22	43	401	0	0	14	384.2	349	188	198	64	130	21	6	1,616	15	9.38	3.04	3.08	1.50	24.8	8.0	1.25	.285	4.63	8.17
9	Brewers	4.15	2025	44	.477	21	23	44	346	0	0	7	383.2	338	177	193	49	170	15	7	1,640	9	8.12	3.99	2.04	1.15	21.1	10.4	1.32	.273	4.53	7.93
10	Guardians	4.14	2025	43	.581	25	18	43	361	0	0	14	380.0	374	175	190	47	162	11	2	1,643	17	8.55	3.84	2.23	1.11	22.0	9.9	1.41	.308	4.50	8.86
11	White Sox	4.04	2025	44	.318	14	30	44	315	0	0	3	378.1	357	170	184	48	163	27	5	1,641	12	7.49	3.88	1.93	1.14	19.2	9.9	1.37	.284	4.38	8.49
12	Cubs	4.02	2025	44	.568	25	19	44	355	0	0	10	394.0	373	176	192	52	140	16	5	1,677	9	8.11	3.20	2.54	1.19	21.2	8.3	1.30	.288	4.39	8.52
13	Pirates	4.01	2025	44	.341	15	29	44	324	0	0	8	393.0	354	175	189	38	141	19	8	1,652	14	7.42	3.23	2.30	0.87	19.6	8.5	1.26	.280	4.33	8.11
14	Red Sox	3.99	2025	45	.489	22	23	45	376	0	0	10	403.2	392	179	206	42	134	21	6	1,725	11	8.38	2.99	2.81	0.94	21.8	7.8	1.30	.304	4.59	8.74
15	Dodgers	3.98	2025	43	.651	28	15	43	397	0	0	16	380.0	341	168	184	51	148	12	5	1,601	21	9.40	3.51	2.68	1.21	24.8	9.2	1.29	.292	4.36	8.08
16	Mariners	3.91	2025	42	.548	23	19	42	350	0	0	14	384.2	371	167	190	42	144	11	10	1,651	9	8.19	3.37	2.43	0.98	21.2	8.7	1.34	.298	4.45	8.68
17	Phillies	3.90	2025	43	.581	25	18	43	417	0	0	13	385.2	363	167	186	45	124	17	3	1,629	15	9.73	2.89	3.36	1.05	25.6	7.6	1.26	.310	4.34	8.47
18	Cardinals	3.85	2025	44	.545	24	20	44	314	1	1	11	390.2	350	167	181	34	133	12	5	1,632	12	7.23	3.06	2.36	0.78	19.2	8.1	1.24	.277	4.17	8.06
19	Rays	3.84	2025	43	.465	20	23	43	334	0	0	12	386.2	340	165	174	62	123	14	3	1,590	5	7.77	2.86	2.72	1.44	21.0	7.7	1.20	.263	4.05	7.91
20	Braves	3.70	2025	44	.500	22	22	44	379	0	0	9	389.2	335	160	171	50	146	15	10	1,623	16	8.75	3.37	2.60	1.15	23.4	9.0	1.23	.276	3.95	7.74
21	Reds	3.69	2025	45	.467	21	24	45	380	0	0	11	400.0	332	164	184	52	138	16	3	1,668	15	8.55	3.11	2.75	1.17	22.8	8.3	1.18	.259	4.14	7.47
22	Yankees	3.62	2025	43	.581	25	18	43	400	0	0	11	380.0	293	153	169	39	156	10	1	1,582	9	9.47	3.69	2.56	0.92	25.3	9.9	1.18	.260	4.00	6.94
23	Giants	3.56	2025	44	.568	25	19	44	383	0	0	12	387.0	344	153	172	37	140	15	5	1,621	12	8.91	3.26	2.74	0.86	23.6	8.6	1.25	.293	4.00	8.00
24	Astros	3.46	2025	42	.524	22	20	42	390	1	0	11	369.2	293	142	153	37	131	13	1	1,521	7	9.50	3.19	2.98	0.90	25.6	8.6	1.15	.269	3.72	7.13
25	Padres	3.30	2025	42	.643	27	15	42	366	2	2	16	370.2	295	136	146	40	136	14	4	1,528	11	8.89	3.30	2.69	0.97	24.0	8.9	1.16	.262	3.54	7.16