mlb least team runs allowed in a season between 1995 to 2018

Between the 1995 and 2018 seasons, the St. Louis Cardinals allowed the fewest runs by a team in a season, with 525 runs in 2015.

	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	Cardinals	525	2015	162	.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
2	Phillies	529	2011	162	.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
3	Astros	534	2018	162	.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
4	Braves	540	1995	144	.625	90	54	144	3.44	1,087	18	6	34	1291.2	1,184	494	107	436	32	46	5,410	38	7.57	3.04	2.49	0.75	20.1	8.1	1.25	.287	3.76	8.25
5	Braves	548	2013	162	.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
6	Mariners	554	2014	162	.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
7	Nationals	555	2014	162	.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
8	Cubs	556	2016	162	.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
9	Dodgers	556	2003	162	.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
10	Indians	564	2017	162	.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
11	Braves	565	2002	161	.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
12	Athletics	572	2014	162	.543	88	74	162	3.22	1,244	7	3	31	1463.1	1,269	524	147	406	48	28	5,972	59	7.65	2.50	3.06	0.90	20.8	6.8	1.14	.272	3.52	7.80
13	Padres	577	2014	162	.475	77	85	162	3.27	1,284	4	3	41	1438.2	1,300	523	117	462	46	32	6,006	57	8.03	2.89	2.78	0.73	21.4	7.7	1.22	.289	3.61	8.13
14	Pirates	577	2013	162	.580	94	68	162	3.26	1,261	3	0	55	1470.2	1,299	533	101	515	70	26	6,147	81	7.72	3.15	2.45	0.62	20.5	8.4	1.23	.285	3.53	7.95
15	Rays	577	2012	162	.556	90	72	162	3.19	1,383	7	4	50	1459.2	1,233	518	139	469	54	35	6,000	59	8.53	2.89	2.95	0.86	23.1	7.8	1.17	.277	3.56	7.60
16	Giants	578	2011	162	.531	86	76	162	3.20	1,316	3	2	52	1468.0	1,260	522	96	559	50	46	6,130	42	8.07	3.43	2.35	0.59	21.5	9.1	1.24	.283	3.54	7.72
17	Dodgers	580	2017	162	.642	104	58	162	3.38	1,549	2	0	51	1444.2	1,226	543	184	442	40	33	5,925	40	9.65	2.75	3.50	1.15	26.1	7.5	1.15	.281	3.61	7.64
18	Padres	581	2010	162	.556	90	72	162	3.39	1,295	2	2	49	1456.1	1,305	549	139	517	28	51	6,058	29	8.00	3.20	2.50	0.86	21.4	8.5	1.25	.286	3.59	8.06
19	Braves	581	1998	162	.654	106	56	162	3.25	1,232	24	14	45	1438.2	1,291	520	117	467	35	37	5,967	51	7.71	2.92	2.64	0.73	20.6	7.8	1.22	.285	3.63	8.08
20	Braves	581	1997	162	.623	101	61	162	3.18	1,196	21	10	37	1465.2	1,319	518	111	450	31	56	6,057	38	7.34	2.76	2.66	0.68	19.7	7.4	1.21	.283	3.57	8.10
21	Dodgers	582	2013	162	.568	92	70	162	3.25	1,292	7	4	46	1450.1	1,321	524	127	460	43	44	6,032	66	8.02	2.85	2.81	0.79	21.4	7.6	1.23	.291	3.61	8.20
22	Giants	583	2010	162	.568	92	70	162	3.36	1,331	6	3	57	1461.0	1,279	546	134	578	51	58	6,159	74	8.20	3.56	2.30	0.83	21.6	9.4	1.27	.282	3.59	7.88
23	Reds	588	2012	162	.599	97	65	162	3.34	1,248	9	2	56	1453.0	1,356	540	152	427	51	33	6,056	34	7.73	2.64	2.92	0.94	20.6	7.1	1.23	.288	3.64	8.40
24	Reds	589	2013	162	.556	90	72	162	3.38	1,296	5	2	43	1473.2	1,294	554	170	435	66	28	6,077	44	7.91	2.66	2.98	1.04	21.3	7.2	1.17	.273	3.60	7.90
25	Orioles	593	2014	162	.593	96	66	162	3.43	1,174	3	2	53	1461.1	1,342	557	151	472	59	25	6,104	42	7.23	2.91	2.49	0.93	19.2	7.7	1.24	.280	3.65	8.27