Since 2016, the Los Angeles Dodgers have the best ERA by a team, with an ERA of 3.49.

	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	Dodgers	3.49	1,519	.621	944	575	1,519	14,007	11	6	442	13594.1	11,425	5,267	5,796	1,665	4,276	572	279	56,075	475	9.27	2.83	3.28	1.10	25.0	7.6	1.15	.275	3.84	7.56
2	Astros	3.71	1,517	.587	890	627	1,517	14,296	19	8	414	13565.0	11,755	5,592	6,038	1,729	4,671	569	80	56,523	569	9.48	3.10	3.06	1.15	25.3	8.3	1.21	.284	4.01	7.80
3	Guardians	3.73	1,516	.556	843	673	1,516	13,568	26	14	414	13494.2	12,094	5,593	6,082	1,733	4,391	508	170	56,232	463	9.05	2.93	3.09	1.16	24.1	7.8	1.22	.288	4.06	8.07
4	Rays	3.79	1,518	.538	816	702	1,518	13,494	3	1	433	13527.0	12,045	5,698	6,224	1,752	4,294	538	205	56,369	534	8.98	2.86	3.14	1.17	23.9	7.6	1.21	.284	4.14	8.01
5	Brewers	3.84	1,519	.550	836	683	1,519	13,438	5	2	453	13530.2	12,038	5,778	6,352	1,748	4,976	620	223	57,057	444	8.94	3.31	2.70	1.16	23.6	8.7	1.26	.284	4.23	8.01
6	Yankees	3.86	1,518	.574	872	646	1,518	14,013	14	11	423	13496.0	11,949	5,795	6,327	1,818	4,651	588	106	56,734	562	9.34	3.10	3.01	1.21	24.7	8.2	1.23	.284	4.22	7.97
7	Cubs	3.93	1,519	.534	811	707	1,519	12,911	14	7	377	13502.2	12,207	5,897	6,464	1,787	4,926	628	174	57,033	520	8.61	3.28	2.62	1.19	22.6	8.6	1.27	.283	4.31	8.14
8	Giants	3.97	1,518	.499	758	760	1,518	12,616	26	12	384	13550.1	12,843	5,982	6,569	1,544	4,480	565	224	57,324	473	8.38	2.98	2.82	1.03	22.0	7.8	1.28	.296	4.36	8.53
9	Cardinals	4.06	1,516	.523	793	723	1,516	11,975	17	11	409	13428.0	12,754	6,059	6,610	1,567	4,852	579	263	57,142	484	8.03	3.25	2.47	1.05	21.0	8.5	1.31	.293	4.43	8.55
10	Braves	4.07	1,516	.541	820	696	1,516	13,263	11	7	393	13500.2	12,456	6,103	6,610	1,659	5,063	630	290	57,434	553	8.84	3.38	2.62	1.11	23.1	8.8	1.30	.293	4.41	8.30
11	Mariners	4.10	1,518	.521	791	727	1,518	12,618	14	6	408	13534.1	12,609	6,163	6,717	1,926	4,261	576	222	56,902	514	8.39	2.83	2.96	1.28	22.2	7.5	1.25	.285	4.47	8.38
12	Mets	4.11	1,518	.508	771	747	1,518	13,567	14	8	374	13425.1	12,612	6,126	6,647	1,705	4,875	650	229	57,218	478	9.09	3.27	2.78	1.14	23.7	8.5	1.30	.299	4.46	8.45
13	Padres	4.13	1,518	.491	745	773	1,518	13,277	9	7	395	13466.2	12,426	6,175	6,689	1,778	4,813	669	213	57,166	532	8.87	3.22	2.76	1.19	23.2	8.4	1.28	.291	4.47	8.30
14	Red Sox	4.19	1,518	.540	820	698	1,518	13,680	25	7	390	13556.2	12,973	6,309	6,923	1,782	4,884	688	180	58,030	529	9.08	3.24	2.80	1.18	23.6	8.4	1.32	.302	4.60	8.61
15	Blue Jays	4.22	1,518	.512	777	741	1,518	12,965	10	4	386	13486.2	12,811	6,330	6,899	1,907	4,820	613	190	57,521	447	8.65	3.22	2.69	1.27	22.5	8.4	1.31	.293	4.60	8.55
16	Phillies	4.24	1,518	.511	776	742	1,518	13,258	27	16	374	13446.2	12,957	6,340	6,875	1,836	4,545	582	231	57,219	462	8.87	3.04	2.92	1.23	23.2	7.9	1.30	.301	4.60	8.67
17	Twins	4.39	1,518	.493	749	769	1,518	12,817	17	7	351	13473.2	13,183	6,576	7,106	1,904	4,444	601	188	57,526	528	8.56	2.97	2.88	1.27	22.3	7.7	1.31	.299	4.75	8.81
18	Athletics	4.42	1,518	.471	715	803	1,518	11,853	11	10	354	13463.2	13,011	6,614	7,135	1,839	4,818	653	230	57,685	620	7.92	3.22	2.46	1.23	20.5	8.4	1.32	.290	4.77	8.70
19	Diamondbacks	4.42	1,518	.483	733	785	1,518	12,605	9	8	350	13508.2	13,162	6,638	7,198	1,857	4,957	530	331	57,970	506	8.40	3.30	2.54	1.24	21.7	8.6	1.34	.297	4.80	8.77
20	White Sox	4.43	1,517	.428	650	867	1,517	12,717	22	8	313	13363.2	12,736	6,571	7,210	1,884	5,515	618	226	57,801	649	8.56	3.71	2.31	1.27	22.0	9.5	1.37	.293	4.86	8.58
21	Marlins	4.43	1,516	.441	668	848	1,516	12,578	16	6	354	13436.1	12,782	6,616	7,164	1,775	5,285	717	380	57,807	513	8.43	3.54	2.38	1.19	21.8	9.1	1.34	.294	4.80	8.56
22	Pirates	4.44	1,517	.441	669	847	1,517	12,404	15	6	348	13395.0	13,144	6,604	7,215	1,732	5,150	721	236	58,044	560	8.33	3.46	2.41	1.16	21.4	8.9	1.37	.300	4.85	8.83
23	Tigers	4.44	1,514	.448	678	836	1,514	12,018	10	5	364	13364.0	13,093	6,596	7,186	1,856	4,678	580	165	57,278	515	8.09	3.15	2.57	1.25	21.0	8.2	1.33	.295	4.84	8.82
24	Rangers	4.48	1,518	.472	717	801	1,518	11,869	16	6	342	13429.1	13,029	6,682	7,228	1,928	4,981	614	171	57,600	531	7.95	3.34	2.38	1.29	20.6	8.6	1.34	.291	4.84	8.73
25	Nationals	4.48	1,518	.475	721	797	1,518	12,722	11	3	367	13387.0	13,045	6,666	7,174	1,956	4,920	620	282	57,576	495	8.55	3.31	2.59	1.32	22.1	8.5	1.34	.297	4.82	8.77