mlb team fewest runs allowed with a minimum 120 games in a season

The Boston Red Sox and the Chicago Cubs are tied for allowing the fewest runs with 120+ games pitched in a season, with 381 runs.

	TEAM	R	G	SEASON	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	Red Sox	381	126	1918	.595	75	51	126	2.31	392	105	25	2	1120.0	931	287	9	380	31		4,557	29	3.15	3.05	1.03	0.07	8.6	8.3	1.17	.246	3.06	7.48
2	Cubs	381	155	1906	.763	116	36	155	1.75	702	125	28	10	1388.1	1,018	270	12	446	53		5,427	20	4.55	2.89	1.57	0.08	12.9	8.2	1.05	.239	2.47	6.60
3	Cubs	389	155	1909	.680	104	49	155	1.74	680	111	32	11	1409.1	1,094	272	6	364	38		5,494	30	4.34	2.32	1.87	0.04	12.4	6.6	1.03	.247	2.48	6.99
4	Cubs	390	155	1907	.704	107	45	155	1.73	586	114	31	8	1373.1	1,054	264	11	402	38		5,315	25	3.84	2.63	1.46	0.07	11.0	7.6	1.06	.244	2.56	6.91
5	Cubs	393	131	1918	.651	84	45	131	2.18	472	92	21	8	1197.0	1,050	290	13	296	22		4,843	19	3.55	2.23	1.59	0.10	9.7	6.1	1.12	.257	2.95	7.89
6	Reds	401	140	1919	.686	96	44	140	2.23	407	89	23	9	1274.0	1,104	316	21	298	20		5,063	12	2.88	2.11	1.37	0.15	8.0	5.9	1.10	.251	2.83	7.80
7	Cubs	407	140	1919	.536	75	65	140	2.21	495	80	21	5	1265.0	1,127	311	14	294	28		5,109	20	3.52	2.09	1.68	0.10	9.7	5.8	1.12	.260	2.90	8.02
8	Senators	408	130	1918	.563	72	56	130	2.14	505	75	19	8	1228.0	1,021	292	10	395	28		4,954	35	3.70	2.89	1.28	0.07	10.2	8.0	1.15	.252	2.99	7.48
9	Pirates	412	126	1918	.520	65	60	126	2.48	367	85	8	7	1140.1	1,005	314	13	299	32		4,608	12	2.90	2.36	1.23	0.10	8.0	6.5	1.14	.255	3.25	7.93
10	Giants	415	124	1918	.573	71	53	124	2.64	330	74	17	11	1111.2	1,002	326	20	228	23		4,493	20	2.67	1.85	1.45	0.16	7.3	5.1	1.11	.252	3.36	8.11
11	Athletics	416	153	1909	.621	95	58	153	1.93	728	110	27	3	1378.0	1,069	296	9	386	65		5,385	31	4.75	2.52	1.89	0.06	13.5	7.2	1.06	.253	2.72	6.98
12	Orioles	430	154	1972	.519	80	74	154	2.53	788	62	18	21	1371.2	1,116	386	85	395	15	52	5,493	35	5.17	2.59	1.99	0.56	14.3	7.2	1.10	.245	2.82	7.32
13	Pirates	440	142	1902	.741	103	36	142	2.30	564	131	21	3	1264.2	1,142	323	4	250	61		5,048	19	4.01	1.78	2.26	0.03	11.2	5.0	1.10	.273	3.13	8.13
14	Athletics	441	155	1910	.680	102	48	155	1.79	789	123	24	5	1421.2	1,103	282	8	450	55		5,503	39	4.99	2.85	1.75	0.05	14.3	8.2	1.09	.261	2.79	6.98
15	Cubs	442	155	1905	.601	92	61	155	2.04	627	133	23	2	1407.1	1,135	319	14	385	51		5,500	21	4.01	2.46	1.63	0.09	11.4	7.0	1.08	.253	2.83	7.26
16	White Sox	443	124	1918	.460	57	67	124	2.73	349	76	9	8	1126.0	1,092	342	9	300	18		4,613	11	2.79	2.40	1.16	0.07	7.6	6.5	1.24	.275	3.54	8.73
17	Phillies	445	155	1908	.539	83	71	155	2.10	476	116	22	6	1393.0	1,167	325	8	379	43		5,400	26	3.08	2.45	1.26	0.05	8.8	7.0	1.11	.258	2.88	7.54
18	Indians	447	129	1918	.575	73	54	129	2.64	364	78	5	13	1161.0	1,126	340	9	343	16		4,788	13	2.82	2.66	1.06	0.07	7.6	7.2	1.27	.275	3.47	8.73
19	Browns	448	123	1918	.475	58	64	123	2.75	346	67	7	8	1111.1	993	340	11	402	31		4,585	12	2.80	3.26	0.86	0.09	7.5	8.8	1.26	.259	3.63	8.04
20	Pirates	448	154	1909	.724	110	42	154	2.07	490	93	21	11	1401.2	1,174	322	12	320	48		5,438	14	3.15	2.05	1.53	0.08	9.0	5.9	1.07	.254	2.88	7.54
21	White Sox	450	158	1905	.605	92	60	158	1.99	613	131	15	0	1427.0	1,163	315	11	329	31		5,542	39	3.87	2.07	1.86	0.07	11.1	5.9	1.05	.253	2.84	7.33
22	Braves	453	158	1916	.586	89	63	158	2.19	644	97	21	11	1415.2	1,206	345	24	325	30		5,612	23	4.09	2.07	1.98	0.15	11.5	5.8	1.08	.258	2.88	7.67
23	Giants	455	157	1908	.636	98	56	157	2.14	656	95	24	18	1411.0	1,210	336	26	288	35		5,544	18	4.18	1.84	2.28	0.17	11.8	5.2	1.06	.261	2.90	7.72
24	Athletics	457	155	1972	.600	93	62	155	2.58	862	42	15	43	1417.2	1,170	406	96	418	19	41	5,718	29	5.47	2.65	2.06	0.61	15.1	7.3	1.12	.248	2.90	7.43
25	Giants	457	158	1917	.636	98	56	158	2.27	551	92	17	14	1426.2	1,221	360	29	327	27		5,721	24	3.48	2.06	1.69	0.18	9.6	5.7	1.09	.249	2.88	7.70