Since 1993, the Colorado Rockies have the highest ERA by a team, with an ERA of 5.05.

	TEAM	ERA	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	5.05	5,182	.456	2,364	2,818	5,182	34,280	118	34	1,169	45801.2	49,867	25,678	27,680	6,131	18,245	1,962	1,351	202,088	1,954	6.74	3.59	1.88	1.20	17.0	9.0	1.49	.309	5.44	9.80
2	Royals	4.64	5,175	.447	2,315	2,860	5,175	34,390	173	50	1,227	45892.0	47,776	23,660	25,535	5,774	17,554	1,805	932	199,627	2,082	6.74	3.44	1.96	1.13	17.2	8.8	1.42	.300	5.01	9.37
3	Rangers	4.64	5,180	.498	2,580	2,599	5,180	35,127	181	59	1,282	45951.1	47,675	23,688	25,741	5,894	17,489	1,898	910	200,154	1,760	6.88	3.43	2.01	1.15	17.5	8.7	1.42	.299	5.04	9.34
4	Orioles	4.63	5,177	.472	2,442	2,732	5,177	35,565	193	50	1,248	46005.1	47,073	23,655	25,420	6,241	17,785	1,781	969	199,777	1,663	6.96	3.48	2.00	1.22	17.8	8.9	1.41	.295	4.97	9.21
5	Tigers	4.61	5,173	.462	2,392	2,781	5,173	34,698	170	54	1,202	45906.0	47,507	23,501	25,632	5,851	16,952	1,793	1,172	199,176	1,859	6.80	3.32	2.05	1.15	17.4	8.5	1.40	.298	5.03	9.31
6	Twins	4.51	5,177	.486	2,513	2,663	5,177	35,272	163	59	1,250	46090.2	48,263	23,094	24,920	6,061	14,735	1,606	817	198,251	1,699	6.89	2.88	2.39	1.18	17.8	7.4	1.37	.300	4.87	9.42
7	Pirates	4.39	5,174	.449	2,323	2,849	5,174	35,952	128	46	1,232	45946.2	46,875	22,416	24,571	5,216	17,594	2,093	1,451	199,647	1,826	7.04	3.45	2.04	1.02	18.0	8.8	1.40	.300	4.81	9.18
8	White Sox	4.38	5,178	.487	2,520	2,655	5,178	36,896	194	61	1,239	46007.1	45,973	22,407	24,543	5,829	17,459	1,795	1,105	198,619	1,896	7.22	3.42	2.11	1.14	18.6	8.8	1.38	.294	4.80	8.99
9	Reds	4.38	5,182	.482	2,498	2,681	5,182	37,722	138	56	1,296	46190.1	45,805	22,478	24,369	6,178	17,434	1,972	1,281	199,408	1,727	7.35	3.40	2.16	1.20	18.9	8.7	1.37	.291	4.75	8.92
10	Angels	4.34	5,179	.504	2,611	2,568	5,179	36,728	179	68	1,358	46130.0	45,641	22,228	24,115	5,871	17,353	1,845	984	198,457	2,027	7.17	3.39	2.12	1.15	18.5	8.7	1.37	.291	4.70	8.90
11	Blue Jays	4.34	5,179	.502	2,599	2,579	5,179	37,495	242	83	1,245	46133.0	45,959	22,222	24,192	5,823	17,063	1,907	984	198,634	1,689	7.31	3.33	2.20	1.14	18.9	8.6	1.37	.294	4.72	8.97
12	Marlins	4.31	5,174	.460	2,382	2,792	5,174	37,633	157	67	1,237	46045.1	45,538	22,039	24,049	5,102	18,490	1,937	1,597	199,347	1,686	7.36	3.61	2.04	1.00	18.9	9.3	1.39	.297	4.70	8.90
13	Diamondbacks	4.29	4,434	.489	2,167	2,267	4,434	33,642	138	55	1,070	39603.2	39,153	18,871	20,575	5,004	14,021	1,548	1,051	169,844	1,498	7.65	3.19	2.40	1.14	19.8	8.3	1.34	.295	4.68	8.90
14	Mariners	4.27	5,175	.503	2,605	2,570	5,175	37,186	199	75	1,334	46155.1	45,355	21,900	23,743	5,806	16,470	1,823	1,054	197,594	1,776	7.25	3.21	2.26	1.13	18.8	8.3	1.34	.290	4.63	8.84
15	Brewers	4.27	5,178	.493	2,550	2,627	5,178	37,872	130	39	1,354	46165.1	45,381	21,892	23,968	5,814	17,663	1,827	1,201	198,973	1,734	7.38	3.44	2.14	1.13	19.0	8.9	1.37	.291	4.67	8.85
16	Red Sox	4.26	5,178	.541	2,803	2,375	5,178	39,326	155	51	1,341	46293.0	45,748	21,919	24,025	5,391	16,717	2,164	914	199,211	1,628	7.65	3.25	2.35	1.05	19.7	8.4	1.35	.298	4.67	8.89
17	Athletics	4.25	5,176	.502	2,596	2,580	5,176	35,489	177	67	1,258	46171.2	45,660	21,826	23,825	5,431	16,983	1,796	1,157	198,344	1,722	6.92	3.31	2.09	1.06	17.9	8.6	1.36	.290	4.64	8.90
18	Phillies	4.24	5,178	.506	2,622	2,556	5,178	38,982	228	91	1,287	46203.2	45,629	21,763	23,647	5,698	16,428	1,910	1,227	198,286	1,615	7.59	3.20	2.37	1.11	19.7	8.3	1.34	.295	4.61	8.89
19	Nationals	4.23	5,177	.479	2,477	2,699	5,177	37,247	158	58	1,318	46010.1	45,618	21,608	23,731	5,509	16,473	1,921	1,348	197,960	1,631	7.29	3.22	2.26	1.08	18.8	8.3	1.35	.293	4.64	8.92
20	Rays	4.21	4,432	.489	2,168	2,264	4,432	33,474	106	41	1,133	39452.0	37,975	18,458	20,143	4,973	14,295	1,705	764	168,564	1,598	7.64	3.26	2.34	1.13	19.9	8.5	1.32	.289	4.60	8.66
21	Guardians	4.18	5,172	.531	2,747	2,425	5,172	38,151	197	69	1,295	46168.1	45,775	21,462	23,462	5,448	16,324	1,707	1,033	197,510	1,604	7.44	3.18	2.34	1.06	19.3	8.3	1.35	.297	4.57	8.92
22	Cubs	4.15	5,178	.496	2,568	2,608	5,178	40,114	145	57	1,268	46204.0	44,039	21,284	23,244	5,647	17,701	1,860	1,220	198,110	1,687	7.81	3.45	2.27	1.10	20.2	8.9	1.34	.289	4.53	8.58
23	Padres	4.11	5,182	.481	2,495	2,687	5,182	39,268	108	46	1,361	46244.1	44,556	21,124	23,145	5,431	16,837	1,749	1,345	197,740	1,696	7.64	3.28	2.33	1.06	19.9	8.5	1.33	.291	4.50	8.67
24	Yankees	4.09	5,176	.583	3,017	2,156	5,176	39,670	177	64	1,484	46196.2	44,563	21,000	22,784	5,520	15,977	1,819	850	196,817	1,782	7.73	3.11	2.48	1.08	20.2	8.1	1.31	.292	4.44	8.68
25	Mets	4.04	5,176	.500	2,586	2,590	5,176	38,443	155	71	1,303	46169.2	44,870	20,715	22,637	5,258	16,641	1,833	1,418	197,646	1,428	7.49	3.24	2.31	1.02	19.5	8.4	1.33	.292	4.41	8.75