fewest unearned runs allowed in 1 season by team since 1903

Since 1903, the Cleveland Indians have given up the fewest runs by a team in a season, with 209 runs in 2020.

	TEAM	R	SEASON	G	W%	W	L	GS	ERA	SO	CG	SHO	SV	IP	H	ER	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Indians	209	2020	60	.583	35	25	60	3.29	621	1	0	20	536.0	440	196	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
2	Dodgers	213	2020	60	.717	43	17	60	3.02	517	0	0	15	538.2	424	181	66	145	21	4	2,172	24	8.64	2.42	3.57	1.10	23.8	6.7	1.06	.252	3.56	7.08
3	Twins	215	2020	60	.600	36	24	60	3.58	535	0	0	17	513.1	448	204	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	Mets	221	2025	68	.647	44	24	68	2.82	607	1	1	21	607.1	508	190	48	237	26	4	2,538	26	9.00	3.51	2.56	0.71	23.9	9.3	1.23	.284	3.27	7.53
5	Rangers	229	2025	68	.471	32	36	68	3.17	525	2	1	18	591.0	488	208	58	188	19	4	2,412	25	7.99	2.86	2.79	0.88	21.8	7.8	1.14	.265	3.49	7.43
6	Cardinals	229	2020	58	.517	30	28	58	3.90	464	2	0	13	473.0	376	205	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
7	Rays	229	2020	60	.667	40	20	60	3.56	552	0	0	23	527.2	475	209	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
8	Athletics	232	2020	60	.600	36	24	60	3.77	506	1	1	17	515.1	471	216	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
9	Giants	238	2025	68	.588	40	28	68	3.09	591	0	0	21	602.0	519	207	47	208	24	8	2,499	24	8.84	3.11	2.84	0.70	23.6	8.3	1.21	.290	3.56	7.76
10	Cubs	240	2020	60	.567	34	26	60	3.99	523	2	2	16	518.1	451	230	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
11	Padres	241	2020	60	.617	37	23	60	3.86	565	1	1	13	520.1	456	223	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
12	Reds	243	2020	60	.517	31	29	60	3.84	615	3	2	9	504.0	401	215	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
13	Astros	244	2025	67	.552	37	30	67	3.51	648	3	0	19	590.1	476	230	63	211	22	3	2,435	15	9.88	3.22	3.07	0.96	26.6	8.7	1.16	.277	3.72	7.26
14	Tigers	246	2025	69	.638	44	25	69	3.26	589	1	1	22	613.1	524	222	66	194	30	6	2,532	15	8.64	2.85	3.04	0.97	23.3	7.7	1.17	.277	3.61	7.69
15	White Sox	246	2020	60	.583	35	25	60	3.81	523	1	1	13	527.0	448	223	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
16	Royals	251	2025	68	.500	34	34	68	3.45	554	0	0	22	605.2	536	232	67	199	19	9	2,515	29	8.23	2.96	2.78	1.00	22.0	7.9	1.21	.280	3.73	7.96
17	Rays	254	2025	68	.529	36	32	68	3.54	543	1	0	16	609.1	534	240	90	178	26	5	2,489	8	8.02	2.63	3.05	1.33	21.8	7.2	1.17	.269	3.75	7.89
18	Padres	255	2025	67	.567	38	29	67	3.44	581	2	2	24	596.0	500	228	66	226	26	7	2,494	16	8.77	3.41	2.57	1.00	23.3	9.1	1.22	.272	3.85	7.55
19	Twins	257	2025	67	.537	36	31	67	3.65	586	0	0	14	590.0	532	239	67	170	31	4	2,467	14	8.94	2.59	3.45	1.02	23.8	6.9	1.19	.288	3.92	8.12
20	Yankees	259	2025	66	.621	41	25	66	3.73	621	0	0	20	584.0	481	242	68	221	16	2	2,437	20	9.57	3.41	2.81	1.05	25.5	9.1	1.20	.273	3.99	7.41
21	Braves	263	2025	67	.433	29	38	67	3.73	595	1	0	10	591.1	505	245	75	218	27	10	2,459	19	9.06	3.32	2.73	1.14	24.2	8.9	1.22	.278	4.00	7.69
22	Brewers	264	2020	60	.483	29	31	60	4.16	614	1	0	14	517.1	446	239	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
23	Yankees	270	2020	60	.550	33	27	60	4.35	528	2	1	14	500.2	455	242	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
24	Royals	272	2020	60	.433	26	34	60	4.30	517	1	1	19	517.0	500	247	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
25	Cubs	273	2025	68	.603	41	27	68	3.70	527	0	0	15	607.2	567	250	73	191	22	6	2,535	13	7.81	2.83	2.76	1.08	20.8	7.5	1.25	.287	4.04	8.40