least base on balls allowed by a team in a season from 2000 to 2019

Between the 2000 and 2019 seasons, the Minnesota Twins gave up the fewest walks by a team in a season, with 348 allowed in 2005.

	TEAM	BB	SEASON	G	W%	W	L	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Twins	348	2005	162	.512	83	79	162	3.71	965	9	4	44	1464.1	1,458	604	662	169	43	38	6,072	35	5.93	2.14	2.77	1.04	15.9	5.7	1.23	.283	4.07	8.96
2	Nationals	352	2014	162	.593	96	66	162	3.03	1,288	5	4	45	1470.2	1,351	495	555	110	51	26	6,020	37	7.88	2.15	3.66	0.67	21.4	5.8	1.16	.294	3.40	8.27
3	Twins	356	2006	162	.593	96	66	162	3.95	1,164	1	0	40	1439.1	1,490	632	683	182	36	25	6,066	40	7.28	2.23	3.27	1.14	19.2	5.9	1.28	.302	4.27	9.32
4	Nationals	364	2015	162	.512	83	79	162	3.62	1,342	4	3	41	1434.2	1,366	577	635	145	55	37	5,975	39	8.42	2.28	3.69	0.91	22.5	6.1	1.21	.300	3.98	8.57
5	Yankees	375	2003	163	.623	101	61	163	4.02	1,119	8	3	49	1462.0	1,512	653	716	145	49	36	6,209	33	6.89	2.31	2.98	0.89	18.0	6.0	1.29	.302	4.41	9.31
6	Mets	383	2015	162	.556	90	72	162	3.43	1,337	1	1	50	1462.2	1,341	557	613	152	44	43	6,046	46	8.23	2.36	3.49	0.94	22.1	6.3	1.18	.288	3.77	8.25
7	Twins	383	2010	162	.580	94	68	162	3.95	1,048	9	3	40	1452.2	1,493	638	671	155	47	19	6,106	41	6.49	2.37	2.74	0.96	17.2	6.3	1.29	.299	4.16	9.25
8	Giants	389	2014	162	.543	88	74	162	3.50	1,211	8	3	46	1449.0	1,305	564	614	133	57	35	5,947	49	7.52	2.42	3.11	0.83	20.4	6.5	1.17	.282	3.81	8.11
9	Dodgers	392	2019	162	.654	106	56	162	3.37	1,519	3	1	44	1445.2	1,201	541	613	185	66	24	5,913	40	9.46	2.44	3.88	1.15	25.7	6.6	1.10	.271	3.82	7.48
10	Dodgers	395	2015	162	.568	92	70	162	3.44	1,396	6	3	47	1445.2	1,317	553	595	145	38	32	5,932	52	8.69	2.46	3.53	0.90	23.5	6.7	1.18	.296	3.70	8.20
11	Blue Jays	397	2015	162	.574	93	69	162	3.80	1,117	7	2	34	1441.0	1,353	609	670	173	59	20	5,984	62	6.98	2.48	2.81	1.08	18.7	6.6	1.21	.278	4.18	8.45
12	Yankees	398	2014	162	.519	84	78	162	3.75	1,370	5	2	48	1453.0	1,392	605	664	164	65	23	6,114	49	8.49	2.47	3.44	1.02	22.4	6.5	1.23	.298	4.11	8.62
13	Mariners	400	2018	162	.549	89	73	162	4.13	1,328	3	1	60	1448.2	1,396	664	711	195	72	21	6,073	57	8.25	2.49	3.32	1.21	21.9	6.6	1.24	.295	4.42	8.67
14	Twins	402	2003	162	.556	90	72	162	4.41	997	7	3	45	1462.0	1,526	716	758	187	50	35	6,246	62	6.14	2.47	2.48	1.15	16.0	6.4	1.32	.290	4.67	9.39
15	Yankees	403	2002	161	.640	103	58	161	3.87	1,135	9	5	53	1452.0	1,441	625	697	144	48	44	6,159	59	7.04	2.50	2.82	0.89	18.4	6.5	1.27	.293	4.32	8.93
16	Phillies	404	2011	162	.630	102	60	162	3.02	1,299	18	7	47	1477.0	1,320	495	529	120	47	41	6,069	23	7.92	2.46	3.22	0.73	21.4	6.7	1.17	.286	3.22	8.04
17	Nationals	405	2013	162	.531	86	76	162	3.59	1,236	6	4	47	1445.2	1,367	576	626	142	48	17	6,038	43	7.69	2.52	3.05	0.88	20.5	6.7	1.23	.291	3.90	8.51
18	Indians	406	2017	162	.630	102	60	162	3.30	1,614	7	3	37	1440.2	1,267	529	564	163	45	15	5,866	48	10.08	2.54	3.98	1.02	27.5	6.9	1.16	.303	3.52	7.92
19	Athletics	406	2014	162	.543	88	74	162	3.22	1,244	7	3	31	1463.1	1,269	524	572	147	48	28	5,972	59	7.65	2.50	3.06	0.90	20.8	6.8	1.14	.272	3.52	7.80
20	Twins	406	2008	163	.540	88	75	163	4.16	995	5	2	42	1459.0	1,568	675	745	183	31	38	6,221	45	6.14	2.50	2.45	1.13	16.0	6.5	1.35	.301	4.60	9.67
21	Indians	407	2018	162	.562	91	71	162	3.77	1,544	3	2	41	1457.1	1,349	611	648	200	59	29	6,071	54	9.54	2.51	3.79	1.24	25.4	6.7	1.20	.298	4.00	8.33
22	Cubs	407	2015	162	.599	97	65	162	3.36	1,431	6	4	48	1461.1	1,276	546	608	134	46	38	5,997	66	8.81	2.51	3.52	0.83	23.9	6.8	1.15	.287	3.74	7.86
23	Twins	408	2014	162	.432	70	92	162	4.57	1,031	2	0	38	1435.0	1,588	728	777	147	45	24	6,212	50	6.47	2.56	2.53	0.92	16.6	6.6	1.39	.315	4.87	9.96
24	Braves	409	2013	162	.593	96	66	162	3.18	1,232	1	0	53	1450.1	1,326	512	548	127	51	35	5,989	50	7.65	2.54	3.01	0.79	20.6	6.8	1.20	.288	3.40	8.23
25	Phillies	409	2012	162	.500	81	81	162	3.83	1,385	5	4	42	1451.1	1,387	618	680	178	44	33	6,072	30	8.59	2.54	3.39	1.10	22.8	6.7	1.24	.298	4.22	8.60