fewest runs per game allowed in a season by a team since 1980

Since 1980, the Houston Astros have the fewest runs allowed per game pitched by a team in a season, with 3.01 in 1981.

	TEAM	R/G	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	Astros	3.01	331	110	1981	.555	61	49	110	2.66	610	23	13	25	990.0	842	293	40	300	11	24	4,034	36	5.55	2.73	2.03	0.36	15.1	7.4	1.15	.261	3.01	7.65
2	Dodgers	3.17	513	162	2022	.685	111	51	162	2.80	1,465	1	1	43	1451.1	1,114	451	152	407	75	13	5,865	38	9.08	2.52	3.60	0.94	25.0	6.9	1.05	.255	3.18	6.91
3	Astros	3.2	518	162	2022	.654	106	56	162	2.90	1,524	3	1	53	1445.1	1,121	465	134	458	60	6	5,856	56	9.49	2.85	3.33	0.83	26.0	7.8	1.09	.268	3.23	6.98
4	Yankees	3.21	343	107	1981	.551	59	48	107	2.90	606	16	0	30	948.0	827	305	64	287	10	17	3,872	25	5.75	2.72	2.11	0.61	15.7	7.4	1.18	.263	3.26	7.85
5	Dodgers	3.24	356	110	1981	.573	63	47	110	3.01	603	26	15	24	997.0	904	333	54	302	14	38	4,099	19	5.44	2.73	2.00	0.49	14.7	7.4	1.21	.272	3.21	8.16
6	Cardinals	3.24	525	162	2015	.617	100	62	162	2.94	1,329	1	0	62	1464.2	1,359	478	123	477	45	37	6,134	48	8.17	2.93	2.79	0.76	21.7	7.8	1.25	.297	3.23	8.35
7	Phillies	3.27	529	162	2011	.630	102	60	162	3.02	1,299	18	7	47	1477.0	1,320	495	120	404	47	41	6,069	23	7.92	2.46	3.22	0.73	21.4	6.7	1.17	.286	3.22	8.04
8	Astros	3.3	534	162	2018	.636	103	59	162	3.11	1,687	2	2	46	1455.0	1,164	503	152	435	66	4	5,913	67	10.44	2.69	3.88	0.94	28.5	7.4	1.10	.283	3.30	7.20
9	Mets	3.33	532	160	1988	.625	100	60	160	2.91	1,100	31	17	46	1439.0	1,253	465	78	404	35	33	5,877	41	6.88	2.53	2.72	0.49	18.7	6.9	1.15	.276	3.33	7.84
10	Dodgers	3.35	536	160	1989	.481	77	83	160	2.95	1,052	25	14	36	1463.1	1,278	479	95	504	27	73	6,034	53	6.47	3.10	2.09	0.58	17.4	8.4	1.22	.272	3.30	7.86
11	Dodgers	3.36	544	162	1988	.584	94	67	162	2.96	1,029	32	15	49	1463.1	1,291	482	84	473	22	61	6,050	43	6.33	2.91	2.18	0.52	17.0	7.8	1.21	.272	3.35	7.94
12	Braves	3.38	548	162	2013	.593	96	66	162	3.18	1,232	1	0	53	1450.1	1,326	512	127	409	51	35	5,989	50	7.65	2.54	3.01	0.79	20.6	6.8	1.20	.288	3.40	8.23
13	Mariners	3.42	554	162	2014	.537	87	75	162	3.17	1,317	2	1	51	1452.0	1,240	512	137	463	52	36	5,974	80	8.16	2.87	2.84	0.85	22.0	7.8	1.17	.275	3.43	7.69
14	Nationals	3.43	555	162	2014	.593	96	66	162	3.03	1,288	5	4	45	1470.2	1,351	495	110	352	51	26	6,020	37	7.88	2.15	3.66	0.67	21.4	5.8	1.16	.294	3.40	8.27
15	Cubs	3.43	556	162	2016	.640	103	58	162	3.15	1,441	5	2	38	1459.2	1,125	511	163	495	63	24	5,933	80	8.88	3.05	2.91	1.01	24.3	8.3	1.11	.255	3.43	6.94
16	Dodgers	3.43	556	162	2003	.525	85	77	162	3.16	1,289	3	3	58	1457.2	1,254	511	127	526	40	35	6,001	50	7.96	3.25	2.45	0.78	21.5	8.8	1.22	.280	3.43	7.74
17	Braves	3.45	559	162	1993	.642	104	58	162	3.14	1,036	18	5	46	1455.0	1,297	507	101	480	22	59	6,015	46	6.41	2.97	2.16	0.62	17.2	8.0	1.22	.273	3.46	8.02
18	Dodgers	3.46	561	162	2021	.654	106	56	162	3.01	1,599	1	0	56	1452.0	1,107	486	161	486	63	43	5,948	52	9.91	3.01	3.29	1.00	26.9	8.2	1.10	.260	3.48	6.86
19	Indians	3.48	564	162	2017	.630	102	60	162	3.30	1,614	7	3	37	1440.2	1,267	529	163	406	45	15	5,866	48	10.08	2.54	3.98	1.02	27.5	6.9	1.16	.303	3.52	7.92
20	Indians	3.48	209	60	2020	.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
21	Dodgers	3.49	565	162	1991	.574	93	69	162	3.06	1,028	15	7	40	1458.0	1,312	496	96	500	28	77	6,089	48	6.35	3.09	2.06	0.59	16.9	8.2	1.24	.274	3.49	8.10
22	Yankees	3.5	567	162	2022	.611	99	63	162	3.30	1,459	1	1	47	1451.2	1,177	532	157	444	65	10	5,938	40	9.05	2.75	3.29	0.97	24.6	7.5	1.12	.268	3.52	7.30
23	Pirates	3.5	567	162	1984	.463	75	87	162	3.11	995	27	8	34	1470.0	1,344	508	102	502	11	48	6,095	43	6.09	3.07	1.98	0.62	16.3	8.2	1.26	.277	3.47	8.23
24	Mets	3.51	568	162	1985	.605	98	64	162	3.11	1,039	32	12	37	1488.0	1,306	514	111	515	18	36	6,146	41	6.28	3.11	2.02	0.67	16.9	8.4	1.22	.268	3.44	7.90
25	Braves	3.51	565	161	2002	.631	101	59	161	3.13	1,058	3	2	57	1467.1	1,302	511	123	554	42	63	6,131	40	6.49	3.40	1.91	0.75	17.3	9.0	1.26	.271	3.47	7.99