The Athletics have given up the most earned runs by a team this season, with 405 earned runs.

Interpreted as:

MLB teams with highest er 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	405	2025	75	.400	30	45	75	5.48	593	0	0	16	665.0	713	439	110	286	43	10	2,991	15	8.03	3.87	2.07	1.49	19.8	9.6	1.50	.308	5.94	9.65
2	Rockies	394	2025	73	.219	16	57	73	5.59	489	0	0	11	634.1	740	452	95	259	22	8	2,854	36	6.94	3.67	1.89	1.35	17.1	9.1	1.57	.324	6.41	10.50
3	Nationals	356	2025	73	.411	30	43	73	4.99	574	0	0	19	642.0	647	374	83	245	49	1	2,811	34	8.05	3.43	2.34	1.16	20.4	8.7	1.39	.303	5.24	9.07
4	Marlins	350	2025	71	.408	29	42	71	5.00	555	0	0	15	630.0	643	378	85	249	30	9	2,760	21	7.93	3.56	2.23	1.21	20.1	9.0	1.42	.303	5.40	9.19
5	Orioles	341	2025	72	.431	31	41	72	4.87	591	0	0	17	630.1	656	360	100	232	23	3	2,739	26	8.44	3.31	2.55	1.43	21.6	8.5	1.41	.310	5.14	9.37
6	Diamondbacks	341	2025	72	.500	36	36	72	4.78	607	0	0	22	642.1	624	371	95	242	33	11	2,775	14	8.50	3.39	2.51	1.33	21.9	8.7	1.35	.294	5.20	8.74
7	Angels	329	2025	72	.486	35	37	72	4.67	549	0	0	19	634.1	652	354	93	283	23	22	2,784	29	7.79	4.02	1.94	1.32	19.7	10.2	1.47	.304	5.02	9.25
8	Dodgers	308	2025	74	.608	45	29	74	4.19	655	0	0	24	661.0	602	337	93	268	33	15	2,818	33	8.92	3.65	2.44	1.27	23.2	9.5	1.32	.288	4.59	8.20
9	Blue Jays	300	2025	72	.542	39	33	72	4.21	639	0	0	23	640.2	579	318	99	222	34	8	2,691	16	8.98	3.12	2.88	1.39	23.7	8.2	1.25	.283	4.47	8.13
10	Red Sox	298	2025	75	.507	38	37	75	3.97	635	0	0	20	675.1	639	339	72	251	32	10	2,882	15	8.46	3.35	2.53	0.96	22.0	8.7	1.32	.300	4.52	8.52
11	White Sox	296	2025	73	.315	23	50	73	4.23	526	0	0	7	630.1	616	322	77	270	45	12	2,760	17	7.51	3.86	1.95	1.10	19.1	9.8	1.41	.293	4.60	8.80
12	Phillies	286	2025	73	.589	43	30	73	3.94	676	0	0	22	654.0	624	311	74	219	22	6	2,772	19	9.30	3.01	3.09	1.02	24.4	7.9	1.29	.309	4.28	8.59
13	Cardinals	285	2025	73	.521	38	35	73	3.97	521	1	1	17	646.2	629	312	59	194	23	8	2,729	21	7.25	2.70	2.69	0.82	19.1	7.1	1.27	.295	4.34	8.75
14	Mariners	281	2025	72	.514	37	35	72	3.88	589	0	0	19	652.0	622	312	82	221	27	14	2,763	21	8.13	3.05	2.67	1.13	21.3	8.0	1.29	.293	4.31	8.59
15	Brewers	277	2025	74	.527	39	35	74	3.80	611	0	0	19	655.1	589	300	78	262	27	12	2,786	18	8.39	3.60	2.33	1.07	21.9	9.4	1.30	.283	4.12	8.09
16	Guardians	275	2025	71	.507	36	35	71	3.96	596	0	0	20	625.1	602	298	76	262	24	9	2,694	22	8.58	3.77	2.27	1.09	22.1	9.7	1.38	.303	4.29	8.66
17	Reds	273	2025	73	.521	38	35	73	3.80	582	1	1	20	646.0	559	299	86	219	30	6	2,697	21	8.11	3.05	2.66	1.20	21.6	8.1	1.20	.266	4.17	7.79
18	Pirates	273	2025	74	.392	29	45	74	3.74	549	1	0	16	656.1	565	293	63	217	26	11	2,715	20	7.53	2.98	2.53	0.86	20.2	8.0	1.19	.270	4.02	7.75
19	Twins	272	2025	72	.500	36	36	72	3.87	626	0	0	14	633.1	576	294	75	196	34	4	2,668	14	8.90	2.79	3.19	1.07	23.5	7.3	1.22	.288	4.18	8.19
20	Braves	262	2025	71	.451	32	39	71	3.75	649	1	0	10	628.1	539	282	79	230	31	10	2,612	19	9.30	3.29	2.82	1.13	24.8	8.8	1.22	.283	4.04	7.72
21	Cubs	259	2025	73	.616	45	28	73	3.56	566	0	0	18	654.2	595	283	75	205	24	6	2,713	13	7.78	2.82	2.76	1.03	20.9	7.6	1.22	.282	3.89	8.18
22	Padres	255	2025	72	.542	39	33	72	3.60	633	2	2	24	637.1	540	284	73	239	29	8	2,677	18	8.94	3.38	2.65	1.03	23.6	8.9	1.22	.274	4.01	7.63
23	Yankees	251	2025	72	.583	42	30	72	3.54	671	0	0	21	638.2	520	272	69	238	18	5	2,654	21	9.46	3.35	2.82	0.97	25.3	9.0	1.19	.272	3.83	7.33
24	Rays	250	2025	73	.548	40	33	73	3.44	589	1	0	17	654.1	574	269	94	196	28	6	2,679	9	8.10	2.70	3.01	1.29	22.0	7.3	1.18	.271	3.70	7.90
25	Royals	246	2025	73	.479	35	38	73	3.40	597	0	0	22	650.2	572	266	73	213	22	9	2,700	29	8.26	2.95	2.80	1.01	22.1	7.9	1.21	.278	3.68	7.91