what team had the least walks by pitchers in a season since 1945 with more than 70 games played

Since 1945, the Montreal Expos have given up the fewest walks by a team with more than 70 games pitched in a season, with 268 allowed in 1981.

	TEAM	BB	G	SEASON	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	Expos	268	108	1981	.556	60	48	108	3.30	520	20	8	23	975.0	902	357	394	58	18	21	4,008	28	4.80	2.47	1.94	0.54	13.0	6.7	1.20	.268	3.64	8.33
2	Royals	273	103	1981	.485	50	53	103	3.56	404	24	4	24	922.1	909	365	405	75	20	36	3,878	13	3.94	2.66	1.48	0.73	10.4	7.0	1.28	.269	3.95	8.87
3	Yankees	287	107	1981	.551	59	48	107	2.90	606	16	0	30	948.0	827	305	343	64	10	17	3,872	25	5.75	2.72	2.11	0.61	15.7	7.4	1.18	.263	3.26	7.85
4	Expos	288	114	1994	.649	74	40	114	3.56	805	4	2	46	1036.2	970	410	454	100	38	28	4,329	32	6.99	2.50	2.80	0.87	18.6	6.7	1.21	.281	3.94	8.42
5	Cardinals	290	103	1981	.578	59	43	103	3.63	388	11	2	33	943.0	902	380	417	52	15	45	3,910	22	3.70	2.77	1.34	0.50	9.9	7.4	1.26	.269	3.98	8.61
6	Astros	300	110	1981	.555	61	49	110	2.66	610	23	13	25	990.0	842	293	331	40	11	24	4,034	36	5.55	2.73	2.03	0.36	15.1	7.4	1.15	.261	3.01	7.65
7	Dodgers	302	110	1981	.573	63	47	110	3.01	603	26	15	24	997.0	904	333	356	54	14	38	4,099	19	5.44	2.73	2.00	0.49	14.7	7.4	1.21	.272	3.21	8.16
8	Indians	311	103	1981	.505	52	51	103	3.88	569	33	9	13	931.0	989	401	442	67	10	15	4,003	30	5.50	3.01	1.83	0.65	14.2	7.8	1.40	.303	4.27	9.56
9	Rangers	322	105	1981	.543	57	48	105	3.40	488	23	10	18	940.1	851	355	389	67	17	34	3,909	18	4.67	3.08	1.52	0.64	12.5	8.2	1.25	.260	3.72	8.14
10	Angels	323	110	1981	.464	51	59	110	3.70	426	27	5	19	971.1	958	399	453	81	21	24	4,089	18	3.95	2.99	1.32	0.75	10.4	7.9	1.32	.271	4.20	8.88
11	Braves	330	107	1981	.472	50	56	107	3.45	471	11	4	24	968.0	936	371	416	62	11	31	4,078	25	4.38	3.07	1.43	0.58	11.5	8.1	1.31	.273	3.87	8.70
12	Mets	332	113	1994	.487	55	58	113	4.13	640	7	2	35	1023.0	1,069	470	526	117	21	48	4,383	26	5.63	2.92	1.93	1.03	14.6	7.6	1.37	.291	4.63	9.40
13	White Sox	336	106	1981	.509	54	52	106	3.47	529	20	6	23	940.2	891	363	423	73	24	17	3,964	24	5.06	3.21	1.57	0.70	13.3	8.5	1.30	.272	4.05	8.52
14	Mets	336	105	1981	.398	41	62	105	3.55	490	7	1	24	926.1	906	365	432	74	13	35	3,951	26	4.76	3.26	1.46	0.72	12.4	8.5	1.34	.274	4.20	8.80
15	Reds	339	115	1994	.579	66	48	115	3.78	799	6	2	27	1038.1	1,037	436	490	117	27	23	4,411	41	6.93	2.94	2.36	1.01	18.1	7.7	1.33	.294	4.25	8.99
16	Giants	344	163	1968	.543	88	74	163	2.71	942	77	19	16	1468.2	1,302	442	529	86	24	87	5,990	56	5.77	2.11	2.74	0.53	15.7	5.7	1.12	.265	3.24	7.98
17	Pirates	346	103	1981	.451	46	56	103	3.56	492	11	4	29	942.0	953	373	425	60	15	51	4,029	32	4.70	3.31	1.42	0.57	12.2	8.6	1.38	.287	4.06	9.11
18	Phillies	347	107	1981	.551	59	48	107	4.05	580	19	1	23	960.1	967	432	472	72	14	45	4,086	32	5.44	3.25	1.67	0.67	14.2	8.5	1.37	.291	4.42	9.06
19	Orioles	347	105	1981	.562	59	46	105	3.70	489	25	7	23	940.0	923	386	437	83	14	22	3,970	29	4.68	3.32	1.41	0.79	12.3	8.7	1.35	.277	4.18	8.84
20	Twins	348	162	2005	.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
21	Orioles	351	112	1994	.563	63	49	112	4.31	666	13	3	37	997.2	1,005	478	497	131	26	25	4,265	18	6.01	3.17	1.90	1.18	15.6	8.2	1.36	.283	4.48	9.07
22	Nationals	352	162	2014	.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
23	Brewers	352	109	1981	.569	62	47	109	3.91	448	11	1	35	986.0	994	428	459	72	11	33	4,181	31	4.09	3.21	1.27	0.66	10.7	8.4	1.37	.280	4.19	9.07
24	Colt .45's	353	162	1964	.407	66	96	162	3.41	852	30	6	31	1428.0	1,421	541	628	105	28	53	5,990	39	5.37	2.22	2.41	0.66	14.2	5.9	1.24	.283	3.96	8.96
25	Dodgers	354	114	1994	.509	58	56	114	4.17	732	14	4	20	1014.0	1,041	470	509	90	33	36	4,369	42	6.50	3.14	2.07	0.80	16.8	8.1	1.38	.301	4.52	9.24