The Colorado Rockies had the highest ERA by a team in 2024, with an ERA of 5.47.

	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	5.47	2024	162	.377	61	101	162	1,118	0	0	37	1426.2	1,604	867	929	221	563	66	12	6,322	59	7.05	3.55	1.99	1.39	17.7	8.9	1.52	.318	5.86	10.12
2	Marlins	4.73	2024	162	.383	62	100	162	1,317	1	1	33	1437.1	1,431	755	841	195	556	88	21	6,269	46	8.25	3.48	2.37	1.22	21.0	8.9	1.38	.301	5.27	8.96
3	White Sox	4.67	2024	162	.253	41	121	162	1,366	0	0	21	1420.0	1,397	737	813	201	643	54	25	6,241	61	8.66	4.08	2.12	1.27	21.9	10.3	1.44	.301	5.15	8.85
4	Diamondbacks	4.62	2024	162	.549	89	73	162	1,313	0	0	38	1443.1	1,468	741	788	181	481	54	32	6,195	49	8.19	3.00	2.73	1.13	21.2	7.8	1.35	.309	4.91	9.15
5	Angels	4.56	2024	162	.389	63	99	162	1,252	0	0	35	1431.0	1,328	725	797	202	601	81	34	6,146	61	7.87	3.78	2.08	1.27	20.4	9.8	1.35	.281	5.01	8.35
6	Athletics	4.37	2024	162	.426	69	93	162	1,263	1	1	35	1436.2	1,385	698	764	169	530	92	34	6,161	60	7.91	3.32	2.38	1.06	20.5	8.6	1.33	.296	4.79	8.68
7	Rangers	4.35	2024	162	.481	78	84	162	1,371	0	0	36	1427.2	1,323	690	738	198	530	74	26	6,108	55	8.64	3.34	2.59	1.25	22.4	8.7	1.30	.286	4.65	8.34
8	Nationals	4.30	2024	162	.438	71	91	162	1,314	0	0	38	1434.0	1,429	685	764	168	473	43	11	6,114	62	8.25	2.97	2.78	1.05	21.5	7.7	1.33	.306	4.79	8.97
9	Blue Jays	4.29	2024	162	.457	74	88	162	1,314	3	1	36	1427.1	1,316	681	743	208	503	71	25	6,047	31	8.29	3.17	2.61	1.31	21.7	8.3	1.27	.280	4.68	8.30
10	Twins	4.26	2024	162	.506	82	80	162	1,500	1	0	43	1440.1	1,333	682	735	190	433	69	14	6,078	47	9.37	2.71	3.46	1.19	24.7	7.1	1.23	.294	4.59	8.33
11	Pirates	4.15	2024	162	.469	76	86	162	1,356	1	0	43	1438.2	1,369	664	739	166	515	85	16	6,159	38	8.48	3.22	2.63	1.04	22.0	8.4	1.31	.298	4.62	8.56
12	Giants	4.10	2024	162	.494	80	82	162	1,436	2	2	36	1433.2	1,339	653	699	153	526	70	11	6,095	53	9.01	3.30	2.73	0.96	23.6	8.6	1.30	.303	4.39	8.41
13	Reds	4.09	2024	162	.475	77	85	162	1,370	1	0	36	1428.0	1,302	649	694	196	487	93	14	6,064	43	8.63	3.07	2.81	1.24	22.6	8.0	1.25	.282	4.37	8.21
14	Red Sox	4.04	2024	162	.500	81	81	162	1,353	1	1	40	1452.2	1,363	652	747	189	461	76	26	6,154	49	8.38	2.86	2.93	1.17	22.0	7.5	1.26	.288	4.63	8.44
15	Cardinals	4.04	2024	162	.512	83	79	162	1,308	0	0	53	1444.0	1,363	648	719	174	454	42	16	6,044	43	8.15	2.83	2.88	1.08	21.6	7.5	1.26	.292	4.48	8.50
16	Mets	3.96	2024	162	.549	89	73	162	1,455	1	1	39	1442.1	1,232	634	697	165	586	94	7	6,098	67	9.08	3.66	2.48	1.03	23.9	9.6	1.26	.281	4.35	7.69
17	Orioles	3.94	2024	162	.562	91	71	162	1,380	0	0	46	1442.0	1,304	632	699	175	481	53	9	6,071	46	8.61	3.00	2.87	1.09	22.7	7.9	1.24	.284	4.36	8.14
18	Dodgers	3.90	2024	162	.605	98	64	162	1,390	1	1	50	1445.2	1,273	626	686	198	501	55	19	6,047	64	8.65	3.12	2.77	1.23	23.0	8.3	1.23	.275	4.27	7.93
19	Padres	3.86	2024	162	.574	93	69	162	1,453	1	1	44	1439.1	1,296	617	669	169	462	67	17	6,029	63	9.09	2.89	3.15	1.06	24.1	7.7	1.22	.291	4.18	8.10
20	Phillies	3.85	2024	162	.586	95	67	162	1,433	5	4	37	1442.2	1,339	617	671	181	444	60	9	6,050	48	8.94	2.77	3.23	1.13	23.7	7.3	1.24	.295	4.19	8.35
21	Cubs	3.78	2024	162	.512	83	79	162	1,348	1	0	38	1432.1	1,302	602	669	181	485	48	7	6,032	40	8.47	3.05	2.78	1.14	22.3	8.0	1.25	.282	4.20	8.18
22	Rays	3.77	2024	162	.494	80	82	162	1,406	0	0	51	1440.2	1,286	604	663	196	445	65	15	6,022	30	8.78	2.78	3.16	1.22	23.3	7.4	1.20	.279	4.14	8.03
23	Royals	3.76	2024	162	.531	86	76	162	1,339	2	0	41	1428.0	1,303	596	644	146	472	70	18	6,007	40	8.44	2.97	2.84	0.92	22.3	7.9	1.24	.291	4.06	8.21
24	Yankees	3.74	2024	162	.580	94	68	162	1,457	0	0	44	1452.2	1,272	604	668	181	533	88	9	6,131	39	9.03	3.30	2.73	1.12	23.8	8.7	1.24	.282	4.14	7.88
25	Astros	3.74	2024	161	.547	88	73	161	1,479	2	1	43	1432.0	1,238	595	649	183	544	61	2	6,018	49	9.30	3.42	2.72	1.15	24.6	9.0	1.24	.281	4.08	7.78