best bb/9 with a minimum of 1000 innings pitched as a pitcher in the 1970s

Between the 1970 and 1979 seasons, Nolan Ryan walked the best walks per nine innings when pitching at least 1000 innings, with 5.53 BB/9.

	NAME	BB/9	IP	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Nolan Ryan N. Ryan	5.53	2465.0	348	155	146	.515	333	3.14	2,678	164	42	2	1,731	860	984	133	1,515	75	8	34	10,453	116	9.78	1.77	0.49	25.6	14.5	1.32	.264	3.59	89	3.05	85	6.32	150.5
2	Tom Griffin T. Griffin	4.77	1047.0	300	52	72	.419	130	4.24	684	20	6	5	1,018	493	562	93	555	29	45	46	4,649	66	5.88	1.23	0.80	14.7	11.9	1.50	.281	4.83	119	4.12	116	8.75	-70.6
3	Wayne Twitchell W. Twitchell	4.55	1063.0	282	48	65	.425	133	3.98	789	15	6	2	983	470	541	92	537	40	48	43	4,628	58	6.68	1.47	0.78	17.0	11.6	1.43	.281	4.58	108	3.85	105	8.32	-20.8
4	J.R. Richard	4.40	1492.1	221	97	67	.591	204	3.24	1,374	72	15	0	1,162	538	594	71	730	17	3	14	6,236	90	8.29	1.88	0.43	22.0	11.7	1.27	.270	3.58	95	2.92	84	7.01	94.8
5	Clay Kirby C. Kirby	4.14	1332.1	226	68	84	.447	204	3.84	948	40	8	0	1,226	569	647	138	613	24	8	44	5,751	76	6.40	1.55	0.93	16.5	10.7	1.38	.270	4.37	109	3.88	112	8.28	-68.1
6	Mike Torrez M. Torrez	4.05	2138.2	323	134	104	.563	313	3.71	985	100	14	0	2,049	882	1,001	148	962	44	3	58	9,194	74	4.15	1.02	0.62	10.7	10.5	1.41	.269	4.21	96	3.99	105	8.62	-43.1
7	Bill Bonham B. Bonham	3.87	1468.1	296	73	82	.471	210	4.00	972	27	4	11	1,491	652	733	97	631	35	33	57	6,403	68	5.96	1.54	0.59	15.2	9.9	1.45	.299	4.49	103	3.50	92	9.14	54.3
8	Jim Bibby J. Bibby	3.80	1296.1	254	81	80	.503	179	3.74	837	48	16	6	1,165	539	607	96	548	31	27	33	5,498	61	5.81	1.53	0.67	15.2	10.0	1.32	.268	4.21	101	3.62	97	8.09	17.6
9	Steve Renko S. Renko	3.78	1846.0	323	94	109	.463	272	3.95	1,112	47	9	4	1,764	810	912	184	775	17	20	74	7,926	60	5.42	1.43	0.90	14.0	9.8	1.38	.271	4.45	103	3.96	106	8.60	-37
10	Fred Norman F. Norman	3.73	1794.2	340	100	94	.515	253	3.54	1,208	54	15	4	1,642	705	777	170	744	19	28	69	7,636	80	6.06	1.62	0.85	15.8	9.7	1.33	.268	3.90	99	3.74	105	8.23	-39.1
11	John Curtis J. Curtis	3.73	1140.1	292	67	72	.482	143	3.93	605	35	13	5	1,185	498	555	96	472	7	66	63	4,942	44	4.77	1.28	0.76	12.2	9.6	1.45	.289	4.38	108	3.87	107	9.35	-35.8
12	Joe Coleman J. Coleman	3.69	1937.2	380	107	97	.525	246	3.76	1,319	64	12	6	1,813	810	919	183	795	63	68	51	8,277	89	6.13	1.66	0.85	15.9	9.6	1.35	.275	4.27	102	3.74	100	8.42	-0.8
13	Steve Busby S. Busby	3.66	1018.1	156	69	51	.575	144	3.61	647	53	7	0	944	409	453	70	414	23	6	22	4,306	24	5.72	1.56	0.62	15.0	9.6	1.33	.277	4.00	94	3.49	94	8.34	25.1
14	Dick Ruthven D. Ruthven	3.66	1127.0	185	60	70	.462	177	4.01	681	37	12	1	1,092	502	549	82	458	19	6	39	4,830	34	5.44	1.49	0.65	14.1	9.5	1.38	.281	4.38	105	3.63	96	8.72	22.5
15	Bill Singer B. Singer	3.60	1378.2	205	73	89	.451	201	3.85	864	59	13	1	1,279	590	678	91	552	40	3	24	5,878	35	5.64	1.57	0.59	14.7	9.4	1.33	.274	4.43	109	3.44	98	8.35	6.1
16	Skip Lockwood S. Lockwood	3.60	1167.1	390	54	95	.362	102	3.48	808	16	5	66	1,045	452	499	91	467	33	200	59	4,909	41	6.23	1.73	0.70	16.5	9.5	1.30	.272	3.85	100	3.47	96	8.06	17.2
17	Steve Stone S. Stone	3.59	1475.0	268	78	79	.497	220	4.06	886	34	6	1	1,420	666	738	155	588	33	14	19	6,322	24	5.41	1.51	0.95	14.0	9.3	1.36	.271	4.50	106	4.02	106	8.66	-34.8
18	Al Downing A. Downing	3.55	1033.0	197	51	50	.505	142	3.21	611	27	12	1	932	368	446	81	407	20	19	12	4,381	37	5.32	1.50	0.71	13.9	9.3	1.30	.261	3.89	94	3.59	104	8.12	-21.5
19	Woodie Fryman W. Fryman	3.50	1478.2	329	81	95	.460	209	3.89	976	36	17	20	1,450	639	700	129	575	42	62	48	6,329	41	5.94	1.70	0.79	15.4	9.1	1.37	.287	4.26	104	3.62	100	8.83	2.1
20	Lynn McGlothen L. McGlothen	3.44	1234.0	244	73	75	.493	168	3.80	780	39	11	2	1,248	521	582	101	471	22	24	49	5,296	22	5.69	1.66	0.74	14.7	8.9	1.39	.292	4.24	103	3.59	100	9.10	-2.2
21	Joe Niekro J. Niekro	3.43	1302.1	327	84	73	.535	156	3.56	659	38	11	14	1,230	515	576	106	497	28	71	21	5,516	54	4.55	1.33	0.73	11.9	9.0	1.33	.266	3.98	102	3.88	107	8.50	-40.9
22	Jim Rooker J. Rooker	3.41	1629.1	285	97	91	.516	229	3.43	856	58	14	7	1,538	621	725	115	617	17	21	52	6,896	50	4.73	1.39	0.64	12.4	8.9	1.32	.269	4.00	95	3.64	99	8.50	5.9
23	Rudy May R. May	3.41	1870.1	338	110	107	.507	271	3.46	1,238	74	22	3	1,649	720	825	143	708	31	23	42	7,807	36	5.96	1.75	0.69	15.9	9.1	1.26	.265	3.97	100	3.43	97	7.93	20.1
24	Jerry Reuss J. Reuss	3.40	1967.0	323	114	108	.514	287	3.79	1,141	83	22	6	2,000	828	942	121	742	34	18	66	8,486	73	5.22	1.54	0.55	13.4	8.7	1.39	.291	4.31	105	3.40	95	9.15	41.9
25	Mike Marshall M. Marshall	3.36	1176.2	629	89	94	.486	10	2.98	771	0	0	177	1,063	390	446	61	439	25	505	47	4,926	58	5.90	1.76	0.47	15.7	8.9	1.28	.276	3.41	81	3.12	84	8.13	78.6