lowest runs-er by a team in a season since 1997

Since 1997, the Chicago Cubs and the Detroit Tigers are tied for the fewest runs allowed - earned runs in a season, with 10 in 2020.

	TEAM	R-ER	R	ER	SEASON	G	W%	W	L	GS	ERA	SO	CG	SHO	SV	IP	H	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Cubs	10	240	230	2020	60	.567	34	26	60	3.99	523	2	2	16	518.1	451	74	182	17	7	2,153	22	9.08	3.16	2.87	1.28	24.3	8.5	1.22	.278	4.17	7.83
2	Tigers	10	318	308	2020	58	.397	23	35	58	5.63	444	1	0	11	492.1	511	91	192	34	2	2,174	18	8.12	3.51	2.31	1.66	20.4	8.8	1.43	.297	5.81	9.34
3	Twins	11	215	204	2020	60	.600	36	24	60	3.58	535	0	0	17	513.1	448	62	170	21	0	2,130	20	9.38	2.98	3.15	1.09	25.1	8.0	1.20	.288	3.77	7.85
4	Indians	13	209	196	2020	60	.583	35	25	60	3.29	621	1	0	20	536.0	440	68	157	27	8	2,176	20	10.43	2.64	3.96	1.14	28.5	7.2	1.11	.285	3.51	7.39
5	Mariners	14	303	289	2020	60	.450	27	33	60	5.03	469	1	0	15	516.2	482	79	230	37	7	2,249	23	8.17	4.01	2.04	1.38	20.9	10.2	1.38	.281	5.28	8.40
6	Athletics	16	232	216	2020	60	.600	36	24	60	3.77	506	1	1	17	515.1	471	69	165	15	6	2,164	16	8.84	2.88	3.07	1.21	23.4	7.6	1.23	.285	4.05	8.23
7	Nationals	16	301	285	2020	60	.433	26	34	60	5.09	508	2	0	12	503.2	548	94	216	22	22	2,273	23	9.08	3.86	2.35	1.68	22.3	9.5	1.52	.317	5.38	9.79
8	Diamondbacks	16	295	279	2020	60	.417	25	35	60	4.84	524	0	0	13	518.1	506	93	235	23	20	2,279	23	9.10	4.08	2.23	1.61	23.0	10.3	1.43	.294	5.12	8.79
9	Padres	18	241	223	2020	60	.617	37	23	60	3.86	565	1	1	13	520.1	456	70	170	22	2	2,160	19	9.77	2.94	3.32	1.21	26.2	7.9	1.20	.290	4.17	7.89
10	Rays	20	229	209	2020	60	.667	40	20	60	3.56	552	0	0	23	527.2	475	70	168	29	4	2,212	30	9.42	2.87	3.29	1.19	25.0	7.6	1.22	.291	3.91	8.10
11	Mets	20	711	691	1999	163	.595	97	66	163	4.27	1,172	5	3	49	1456.2	1,372	167	617	52	53	6,232	38	7.24	3.81	1.90	1.03	18.8	9.9	1.37	.285	4.39	8.48
12	White Sox	23	246	223	2020	60	.583	35	25	60	3.81	523	1	1	13	527.0	448	71	217	23	6	2,235	24	8.93	3.71	2.41	1.21	23.4	9.7	1.26	.269	4.20	7.65
13	Cardinals	24	229	205	2020	58	.517	30	28	58	3.90	464	2	0	13	473.0	376	69	204	26	8	1,989	21	8.83	3.88	2.27	1.31	23.3	10.3	1.23	.250	4.36	7.15
14	Angels	24	321	297	2020	60	.433	26	34	60	5.09	523	1	0	12	525.1	492	82	199	21	8	2,256	25	8.96	3.41	2.63	1.40	23.2	8.8	1.32	.287	5.50	8.43
15	Rangers	24	312	288	2020	60	.367	22	38	60	5.02	489	2	1	10	516.2	479	81	236	30	3	2,273	21	8.52	4.11	2.07	1.41	21.5	10.4	1.38	.277	5.43	8.34
16	Astros	24	275	251	2020	60	.483	29	31	60	4.31	526	0	0	16	524.0	472	70	217	29	7	2,239	25	9.03	3.73	2.42	1.20	23.5	9.7	1.31	.288	4.72	8.11
17	Mets	24	308	284	2020	60	.433	26	34	60	4.98	574	0	0	11	513.1	511	81	219	29	7	2,262	24	10.06	3.84	2.62	1.42	25.4	9.7	1.42	.316	5.40	8.96
18	Royals	25	272	247	2020	60	.433	26	34	60	4.30	517	1	1	19	517.0	500	76	211	29	7	2,233	28	9.00	3.67	2.45	1.32	23.2	9.4	1.38	.303	4.74	8.70
19	Brewers	25	264	239	2020	60	.483	29	31	60	4.16	614	1	0	14	517.1	446	67	189	35	1	2,186	21	10.68	3.29	3.25	1.17	28.1	8.6	1.23	.296	4.59	7.76
20	Red Sox	26	351	325	2020	60	.400	24	36	60	5.58	537	0	0	14	524.0	587	98	252	31	4	2,389	28	9.22	4.33	2.13	1.68	22.5	10.5	1.60	.332	6.03	10.08
21	Rockies	26	353	327	2020	60	.433	26	34	60	5.59	393	1	0	16	526.1	579	83	205	40	5	2,335	29	6.72	3.51	1.92	1.42	16.8	8.8	1.49	.307	6.04	9.90
22	Phillies	27	311	284	2020	60	.467	28	32	60	5.14	532	3	2	11	497.0	550	80	185	28	12	2,197	14	9.63	3.35	2.88	1.45	24.2	8.4	1.48	.343	5.63	9.96
23	Reds	28	243	215	2020	60	.517	31	29	60	3.84	615	3	2	9	504.0	401	67	213	29	6	2,125	23	10.98	3.80	2.89	1.20	28.9	10.0	1.22	.278	4.34	7.16
24	Yankees	28	270	242	2020	60	.550	33	27	60	4.35	528	2	1	14	500.2	455	83	168	25	5	2,133	22	9.49	3.02	3.14	1.49	24.8	7.9	1.24	.280	4.85	8.18
25	Giants	30	297	267	2020	60	.483	29	31	60	4.64	488	1	0	13	517.2	474	69	210	34	2	2,240	20	8.48	3.65	2.32	1.20	21.8	9.4	1.32	.281	5.16	8.24