The Colorado Rockies have allowed the most earned runs by a team this season, with 237 earned runs.

Interpreted as:

MLB teams with most earned runs this regular season

	TEAM	ER	SEASON	G	W%	W	L	GS	ERA	SO	CG	SHO	SV	IP	H	R	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Rockies	237	2025	43	.163	7	36	43	5.73	283	0	0	5	372.0	442	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	Nationals	234	2025	45	.400	18	27	45	5.37	360	0	0	13	392.0	404	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
3	Marlins	232	2025	43	.395	17	26	43	5.47	339	0	0	7	381.2	392	248	57	176	17	6	1,696	13	7.99	4.15	1.93	1.34	20.0	10.4	1.49	.303	5.85	9.24
4	Athletics	226	2025	44	.500	22	22	44	5.18	353	0	0	13	392.2	410	247	56	179	22	6	1,768	7	8.09	4.10	1.97	1.28	20.0	10.1	1.50	.306	5.66	9.40
5	Orioles	216	2025	42	.357	15	27	42	5.34	310	0	0	7	364.0	394	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
6	Angels	207	2025	42	.405	17	25	42	5.09	309	0	0	9	366.0	383	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
7	Diamondbacks	206	2025	44	.523	23	21	44	4.71	381	0	0	15	394.0	384	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	188	2025	43	.488	21	22	43	4.40	401	0	0	14	384.2	349	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	Red Sox	183	2025	46	.478	22	24	46	3.99	385	0	0	10	412.2	399	210	44	139	21	6	1,762	11	8.40	3.03	2.77	0.96	21.9	7.9	1.30	.303	4.58	8.70
10	Cubs	179	2025	45	.578	26	19	45	4.00	359	0	0	10	403.0	384	195	54	140	16	5	1,713	9	8.02	3.13	2.56	1.21	21.0	8.2	1.30	.288	4.35	8.58
11	Guardians	179	2025	44	.568	25	19	44	4.15	368	0	0	14	388.0	385	195	49	164	11	2	1,679	17	8.54	3.80	2.24	1.14	21.9	9.8	1.41	.309	4.52	8.93
12	White Sox	178	2025	45	.311	14	31	45	4.15	323	0	0	3	386.1	372	197	49	165	29	5	1,686	14	7.52	3.84	1.96	1.14	19.2	9.8	1.39	.288	4.59	8.67
13	Brewers	177	2025	44	.477	21	23	44	4.15	346	0	0	7	383.2	338	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
14	Pirates	175	2025	44	.341	15	29	44	4.01	324	0	0	8	393.0	354	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
15	Rays	174	2025	44	.455	20	24	44	3.97	343	0	0	12	394.2	353	183	62	130	15	3	1,634	5	7.82	2.96	2.64	1.41	21.0	8.0	1.22	.268	4.17	8.05
16	Dodgers	170	2025	44	.659	29	15	44	3.93	404	0	0	16	389.0	344	186	52	151	12	5	1,632	21	9.35	3.49	2.68	1.20	24.8	9.3	1.27	.288	4.30	7.96
17	Reds	168	2025	46	.478	22	24	46	3.70	385	0	0	12	409.0	337	188	54	141	16	3	1,702	15	8.47	3.10	2.73	1.19	22.6	8.3	1.17	.256	4.14	7.42
18	Phillies	167	2025	43	.581	25	18	43	3.90	417	0	0	13	385.2	363	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
19	Cardinals	167	2025	44	.545	24	20	44	3.85	314	1	1	11	390.2	350	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
20	Mariners	167	2025	42	.548	23	19	42	3.91	350	0	0	14	384.2	371	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
21	Braves	162	2025	45	.511	23	22	45	3.66	389	0	0	10	398.2	341	173	51	149	16	10	1,657	16	8.78	3.36	2.61	1.15	23.5	9.0	1.23	.276	3.91	7.70
22	Yankees	153	2025	43	.581	25	18	43	3.62	400	0	0	11	380.0	293	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	152	2025	44	.568	25	19	44	3.53	383	0	0	12	387.0	343	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	7.98
24	Astros	143	2025	43	.512	22	21	43	3.41	399	2	0	11	377.2	296	154	38	131	13	1	1,548	7	9.51	3.12	3.05	0.91	25.8	8.5	1.13	.267	3.67	7.05
25	Tigers	141	2025	44	.659	29	15	44	3.24	386	0	0	11	391.1	326	158	49	129	21	3	1,619	10	8.88	2.97	2.99	1.13	23.8	8.0	1.16	.268	3.63	7.50