lowest earned runs allowed by a team in a season

The St. Paul Saints have given up the fewest earned runs by a team in a season, with 25 earned runs in 1884.

	TEAM	ER	SEASON	G	W%	W	L	GS	ERA	SO	CG	SV	IP	H	R	HR	BB	HBP	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Saints	25	1884	9	.250	2	6	9	3.17	44	7	0	71.0	72	57	1	27		320	7	5.58	3.42	1.63	0.13	13.8	8.4	1.39		7.23	9.13
2	Brewers	26	1884	12	.667	8	4	12	2.25	139	12	0	104.0	49	34	1	13		386	7	12.03	1.13	10.69	0.09	36.0	3.4	0.60		2.94	4.24
3	Quicksteps	48	1884	18	.111	2	16	18	3.04	113	15	0	142.0	165	114	4	18		625	19	7.16	1.14	6.28	0.25	18.1	2.9	1.29		7.23	10.46
4	Brown Stockings	78	1876	64	.703	45	19	64	1.22	103	63	0	577.0	472	229	3	39		2,283	34	1.61	0.61	2.64	0.05	4.5	1.7	0.89		3.57	7.36
5	Brewers	86	1891	36	.583	21	15	36	2.50	137	35	0	309.2	291	156	6	120	10	1,343	11	3.98	3.49	1.14	0.17	10.2	8.9	1.33	.266	4.53	8.46
6	Reds	112	1878	61	.617	37	23	61	1.84	220	61	0	548.0	546	281	2	63		2,267	43	3.61	1.03	3.49	0.03	9.7	2.8	1.11		4.61	8.97
7	Mountain City	114	1884	25	.240	6	19	25	4.67	93	20	0	219.2	292	216	3	52		1,027	14	3.81	2.13	1.79	0.12	9.1	5.1	1.57		8.85	11.96
8	White Stockings	116	1876	66	.788	52	14	66	1.76	51	58	4	592.1	608	257	6	29		2,489	3	0.77	0.44	1.76	0.09	2.0	1.2	1.08		3.90	9.24
9	Dark Blues	116	1876	69	.691	47	21	69	1.67	114	69	0	624.0	570	261	2	27		2,536	15	1.64	0.39	4.22	0.03	4.5	1.1	0.96		3.76	8.22
10	Grays	121	1876	69	.455	30	36	69	1.69	125	67	0	643.0	605	344	3	38		2,680	25	1.75	0.53	3.29	0.04	4.7	1.4	1.00		4.81	8.47
11	Red Caps	131	1877	61	.700	42	18	61	2.15	177	61	0	548.0	557	263	5	38		2,278	20	2.91	0.62	4.66	0.08	7.8	1.7	1.09		4.32	9.15
12	Red Stockings	132	1882	80	.688	55	25	80	1.65	165	77	0	721.1	609	268	7	125		2,977	34	2.06	1.56	1.32	0.09	5.5	4.2	1.02		3.34	7.60
13	Orioles	140	1890	38	.441	15	19	38	4.00	134	36	0	315.1	307	192	3	123	24	1,387	13	3.82	3.51	1.09	0.09	9.7	8.9	1.36	.276	5.48	8.76
14	Red Caps	140	1878	60	.683	41	19	60	2.32	184	58	0	544.0	595	241	6	38		2,225	17	3.04	0.63	4.84	0.10	8.3	1.7	1.16		3.99	9.84
15	Dark Blues	140	1877	60	.534	31	27	60	2.32	99	59	0	544.0	572	311	2	56		2,318	18	1.64	0.93	1.77	0.03	4.3	2.4	1.15		5.15	9.46
16	Grays	140	1877	61	.583	35	25	61	2.25	141	61	0	559.0	617	288	4	41		2,328	20	2.27	0.66	3.44	0.06	6.1	1.8	1.18		4.64	9.93
17	White Stockings	145	1878	61	.500	30	30	61	2.37	175	61	0	551.0	577	331	4	35		2,312	38	2.86	0.57	5.00	0.07	7.6	1.5	1.11		5.41	9.42
18	Grays	146	1880	87	.619	52	32	87	1.64	286	75	3	799.0	663	299	7	51		3,137	26	3.22	0.57	5.61	0.08	9.1	1.6	0.89		3.37	7.47
19	Grays	147	1878	62	.550	33	27	62	2.38	173	59	0	556.0	609	337	5	86		2,388	58	2.80	1.39	2.01	0.08	7.2	3.6	1.25		5.46	9.86
20	Blues	149	1878	63	.400	24	36	63	2.32	182	59	1	578.0	621	328	3	87		2,456	30	2.83	1.35	2.09	0.05	7.4	3.5	1.22		5.11	9.67
21	Colonels	156	1882	80	.525	42	38	80	2.03	240	73	0	693.1	637	352	6	112		2,904	47	3.12	1.45	2.14	0.08	8.3	3.9	1.08		4.57	8.27
22	Grays	158	1878	61	.250	15	45	61	2.60	147	54	0	547.0	589	386	3	55		2,369	50	2.42	0.90	2.67	0.05	6.2	2.3	1.18		6.35	9.69
23	Blues	160	1880	85	.560	47	37	85	1.90	289	83	1	759.2	685	337	4	98		3,100	31	3.42	1.16	2.95	0.05	9.3	3.2	1.03		3.99	8.12
24	Brown Stockings	160	1877	60	.467	28	32	60	2.66	132	52	0	541.0	582	318	2	92		2,313	52	2.20	1.53	1.43	0.03	5.7	4.0	1.25		5.29	9.68
25	White Stockings	166	1880	86	.798	67	17	86	1.93	367	80	3	775.0	622	317	8	129		3,102	33	4.26	1.50	2.84	0.09	11.8	4.2	0.97		3.68	7.22