Between the 1970 and 1979 seasons, Jeff Byrd walked the highest walks per nine innings, with 7.01 BB/9.

Interpreted as:

most bb/9 with a minimum of 0.5 IP per team game as a pitcher in the 1970s

	NAME	BB/9	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	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	Jeff Byrd J. Byrd	7.01	17	2	13	.133	17	6.18	40	1	0	0	87.1	98	60	68	5	68	0	0	1	417	3	4.12	0.59	0.52	9.6	16.3	1.90	.306	7.01	147	4.89	118	10.10	-7.1
2	John D'Acquisto J. D'Acquisto	6.56	199	32	45	.416	92	4.52	526	7	2	12	655.2	581	329	371	47	478	17	55	16	2,971	44	7.22	1.10	0.65	17.7	16.1	1.62	.281	5.09	124	4.21	119	7.98	-50.6
3	Randy Tate R. Tate	5.62	26	5	13	.278	23	4.45	99	2	0	0	137.2	121	68	73	8	86	5	1	3	605	1	6.47	1.15	0.52	16.4	14.2	1.50	.278	4.77	128	3.88	110	7.91	-5.7
4	Mark Clear M. Clear	5.61	52	11	5	.688	0	3.63	98	0	0	14	109.0	87	44	48	6	68	3	37	5	481	9	8.09	1.44	0.50	20.4	14.1	1.42	.265	3.96	89	3.59	88	7.18	6.2
5	Nolan Ryan N. Ryan	5.53	348	155	146	.515	333	3.14	2,678	164	42	2	2465.0	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
6	Gene Brabender G. Brabender	5.53	29	6	15	.286	21	6.02	76	2	0	1	128.2	127	86	94	9	79	2	3	7	586	6	5.32	0.96	0.63	13.0	13.5	1.60	.281	6.58	162	4.25	108	8.88	-4.7
7	Don Stanhouse D. Stanhouse	5.38	256	36	51	.414	66	3.73	395	11	2	57	708.2	648	294	329	41	424	14	138	42	3,117	29	5.02	0.93	0.52	12.7	13.6	1.51	.271	4.18	104	4.10	113	8.23	-36.5
8	Vic Albury V. Albury	5.31	101	18	17	.514	37	4.11	193	6	1	1	372.2	338	170	194	36	220	12	32	7	1,630	21	4.66	0.88	0.87	11.8	13.5	1.50	.258	4.69	109	4.67	126	8.16	-40
9	Les Cain L. Cain	5.29	60	22	19	.537	60	4.05	290	8	1	0	349.0	306	157	181	31	205	13	0	2	1,531	15	7.48	1.41	0.80	18.9	13.4	1.46	.277	4.67	111	3.91	103	7.89	-2.9
10	Dennis Blair D. Blair	5.23	57	19	24	.442	53	3.57	167	6	1	0	325.0	284	129	149	22	189	10	2	7	1,425	17	4.62	0.88	0.61	11.7	13.3	1.46	.253	4.13	95	4.26	117	7.86	-22.4
11	Sam McDowell S. McDowell	5.23	163	52	54	.491	121	3.56	790	33	4	4	902.1	741	357	391	73	524	16	20	36	3,898	56	7.88	1.51	0.73	20.3	13.4	1.40	.268	3.90	97	3.62	97	7.39	13.9
12	Barry Moore B. Moore	5.11	37	3	9	.250	19	5.30	69	0	0	0	141.0	155	83	90	20	80	9	6	3	650	7	4.40	0.86	1.28	10.6	12.3	1.67	.286	5.74	137	5.39	132	9.89	-19.5
13	Dan McGinn D. McGinn	5.07	122	8	19	.296	27	5.69	165	4	2	4	264.1	306	167	185	25	149	12	37	14	1,230	12	5.62	1.11	0.85	13.4	12.1	1.72	.320	6.30	148	4.33	117	10.42	-17.3
14	Mike Corkins M. Corkins	4.88	151	18	25	.419	40	4.23	322	5	1	9	442.1	431	208	240	43	240	20	48	33	1,981	16	6.55	1.34	0.87	16.3	12.1	1.52	.286	4.88	120	4.09	119	8.77	-34.6
15	Tony Cloninger T. Cloninger	4.84	75	12	15	.444	26	3.98	118	1	1	1	271.1	244	120	128	24	146	9	13	12	1,169	8	3.91	0.81	0.80	10.1	12.5	1.44	.252	4.25	110	4.54	131	8.09	-33.1
16	Mike Wegener M. Wegener	4.83	25	3	6	.333	16	5.26	35	1	0	0	104.1	100	61	70	16	56	4	4	3	461	4	3.02	0.63	1.38	7.6	12.1	1.50	.240	6.04	128	5.68	145	8.63	-20
17	Blue Moon Odom B. Moon Odom	4.79	182	44	54	.449	130	4.09	440	16	5	1	834.1	809	379	427	64	444	18	15	17	3,661	43	4.75	0.99	0.69	12.0	12.1	1.50	.276	4.61	120	4.12	119	8.73	-64
18	Rich Gale R. Gale	4.79	65	23	18	.561	61	4.33	191	11	4	0	374.0	368	180	209	29	199	7	0	7	1,651	10	4.60	0.96	0.70	11.6	12.1	1.52	.277	5.03	106	4.28	109	8.86	-15.4
19	Joe Decker J. Decker	4.79	148	35	44	.443	104	4.19	445	19	4	0	697.2	692	325	359	58	371	11	20	8	3,074	36	5.74	1.20	0.75	14.5	12.1	1.52	.290	4.63	107	4.02	105	8.93	-13.5
20	Tom Griffin T. Griffin	4.77	300	52	72	.419	130	4.24	684	20	6	5	1047.0	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
21	Mike Kekich M. Kekich	4.77	177	33	34	.493	78	4.64	338	6	0	5	630.1	658	325	361	58	334	14	40	24	2,806	35	4.83	1.01	0.83	12.0	11.9	1.57	.291	5.15	135	4.30	122	9.40	-56
22	Steve Dunning S. Dunning	4.74	136	23	41	.359	84	4.56	390	7	1	1	613.2	604	311	342	82	323	12	18	25	2,699	28	5.72	1.21	1.20	14.4	12.0	1.51	.276	5.02	125	4.63	125	8.86	-61.4
23	Frank Reberger F. Reberger	4.70	78	13	12	.520	36	4.79	190	5	0	2	295.0	312	157	177	28	154	14	13	8	1,340	19	5.80	1.23	0.85	14.2	11.5	1.58	.298	5.40	126	4.18	116	9.52	-19
24	Rich Robertson R. Robertson	4.67	64	10	11	.476	32	4.78	153	7	0	2	244.2	265	130	153	27	127	3	9	6	1,113	20	5.63	1.20	0.99	13.7	11.4	1.60	.296	5.63	124	4.36	118	9.75	-18.5
25	Tom Kelley T. Kelley	4.67	62	14	13	.519	34	3.64	132	7	1	0	272.0	275	110	126	20	141	1	9	13	1,186	14	4.37	0.94	0.66	11.1	11.9	1.53	.286	4.17	98	3.98	111	9.10	-9.9