The Athletics have allowed the most earned runs by a team this season, with 467 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	Athletics	467	2025	89	.404	36	53	89	5.33	701	0	0	20	788.0	832	509	131	333	49	17	3,520	20	8.01	3.80	2.11	1.50	19.9	9.5	1.48	.304	5.81	9.50
2	Rockies	466	2025	87	.230	20	67	87	5.50	570	0	0	15	762.0	889	533	114	298	24	9	3,416	42	6.73	3.52	1.91	1.35	16.7	8.7	1.56	.322	6.30	10.50
3	Nationals	434	2025	87	.425	37	50	87	5.09	683	0	0	19	767.0	775	456	107	293	53	2	3,353	38	8.01	3.44	2.33	1.26	20.4	8.7	1.39	.301	5.35	9.09
4	Orioles	420	2025	86	.430	37	49	86	5.01	705	0	0	19	754.1	801	444	119	280	27	4	3,297	38	8.41	3.34	2.52	1.42	21.4	8.5	1.43	.315	5.30	9.56
5	Diamondbacks	401	2025	86	.500	43	43	86	4.70	740	0	0	26	767.1	741	440	113	284	36	13	3,300	15	8.68	3.33	2.61	1.33	22.4	8.6	1.34	.295	5.16	8.69
6	Marlins	400	2025	85	.459	39	46	85	4.75	668	0	0	20	758.0	744	430	98	285	37	10	3,277	27	7.93	3.38	2.34	1.16	20.4	8.7	1.36	.295	5.11	8.83
7	Angels	383	2025	86	.500	43	43	86	4.52	683	0	0	21	762.1	771	417	109	333	25	31	3,324	30	8.06	3.93	2.05	1.29	20.5	10.0	1.45	.305	4.92	9.10
8	Blue Jays	362	2025	86	.558	48	38	86	4.26	761	0	0	26	765.2	692	387	115	280	42	13	3,233	17	8.95	3.29	2.72	1.35	23.5	8.7	1.27	.284	4.55	8.13
9	Dodgers	361	2025	87	.632	55	32	87	4.18	763	0	0	28	777.0	713	392	107	302	39	17	3,305	37	8.84	3.50	2.53	1.24	23.1	9.1	1.31	.289	4.54	8.26
10	Red Sox	351	2025	88	.489	43	45	88	4.01	738	0	0	23	788.2	743	406	87	304	39	12	3,376	20	8.42	3.47	2.43	0.99	21.9	9.0	1.33	.297	4.63	8.48
11	Twins	351	2025	87	.471	41	46	87	4.15	742	1	0	17	761.0	725	377	92	228	41	7	3,230	20	8.78	2.70	3.25	1.09	23.0	7.1	1.25	.298	4.46	8.57
12	White Sox	343	2025	86	.326	28	58	86	4.14	627	0	0	10	746.0	725	378	91	316	51	13	3,256	21	7.56	3.81	1.98	1.10	19.3	9.7	1.40	.292	4.56	8.75
13	Cardinals	342	2025	88	.534	47	41	88	3.94	640	2	2	21	781.2	741	371	73	240	24	10	3,283	30	7.37	2.76	2.67	0.84	19.5	7.3	1.26	.290	4.27	8.53
14	Mariners	339	2025	86	.523	45	41	86	3.90	706	0	0	21	781.1	727	377	105	268	37	18	3,306	26	8.13	3.09	2.63	1.21	21.4	8.1	1.27	.284	4.34	8.37
15	Reds	336	2025	87	.517	45	42	87	3.93	696	2	1	21	769.2	681	369	105	269	37	8	3,242	24	8.14	3.15	2.59	1.23	21.5	8.3	1.23	.270	4.31	7.96
16	Guardians	334	2025	84	.476	40	44	84	4.07	698	1	0	23	739.1	716	360	87	310	30	11	3,191	26	8.50	3.77	2.25	1.06	21.9	9.7	1.39	.304	4.38	8.72
17	Cubs	327	2025	86	.593	51	35	86	3.83	641	0	0	21	767.2	716	355	103	235	30	7	3,199	17	7.51	2.76	2.73	1.21	20.0	7.3	1.24	.280	4.16	8.39
18	Rays	324	2025	87	.552	48	39	87	3.74	723	1	0	20	779.1	690	347	115	238	36	6	3,210	14	8.35	2.75	3.04	1.33	22.5	7.4	1.19	.274	4.01	7.97
19	Brewers	322	2025	86	.558	48	38	86	3.79	730	0	0	22	764.1	683	350	91	298	32	14	3,241	20	8.60	3.51	2.45	1.07	22.5	9.2	1.28	.283	4.12	8.04
20	Phillies	320	2025	87	.586	51	36	87	3.71	801	0	0	26	776.0	725	347	89	255	25	6	3,268	24	9.29	2.96	3.14	1.03	24.5	7.8	1.26	.303	4.02	8.41
21	Braves	317	2025	86	.453	39	47	86	3.76	787	1	0	12	759.1	664	339	93	278	35	10	3,174	23	9.33	3.29	2.83	1.10	24.8	8.8	1.24	.288	4.02	7.87
22	Pirates	316	2025	88	.432	38	50	88	3.64	652	1	0	18	780.1	671	339	73	263	32	11	3,232	24	7.52	3.03	2.48	0.84	20.2	8.1	1.20	.270	3.91	7.74
23	Yankees	310	2025	86	.558	48	38	86	3.66	782	0	0	23	761.2	625	337	86	288	28	6	3,176	26	9.24	3.40	2.72	1.02	24.6	9.1	1.20	.271	3.98	7.39
24	Padres	310	2025	86	.535	46	40	86	3.68	746	2	2	29	759.0	656	341	86	282	33	9	3,194	25	8.85	3.34	2.65	1.02	23.4	8.8	1.24	.278	4.04	7.78
25	Tigers	309	2025	88	.614	54	34	88	3.56	746	1	1	24	781.1	689	347	91	254	36	7	3,254	25	8.59	2.93	2.94	1.05	22.9	7.8	1.21	.281	4.00	7.94