highest bb/9 !in a season min 150 ip since 1920

Since 1920, Tommy Byrne has walked the best walks per nine innings with 150.0+ innings pitched in a season, with 8.22 BB/9 in 1949.

Interpreted as:

highest bb/9 by a player !in a season min 150 ip since 1920

	NAME	BB/9	IP	SEASON	TM	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	Tommy Byrne T. Byrne	8.22	196.0	1949	NYY	32	15	7	.682	30	3.72	129	12	3	0	125	81	84	11	179	13	2		880	4	5.92	0.72	0.51	14.7	20.3	1.55	.208	3.86	92	4.86	120	5.74	-19
2	Bobby Witt B. Witt	8.16	157.2	1986	TEX	31	11	9	.550	31	5.48	174	0	0	0	130	96	104	18	143	3	0	2	741	22	9.93	1.22	1.03	23.5	19.3	1.73	.278	5.94	129	4.82	116	7.42	-11.6
3	Hal Newhouser H. Newhouser	7.13	173.0	1941	DET	33	9	11	.450	27	4.79	106	5	1	0	166	92	109	6	137	1	5		810	5	5.51	0.77	0.31	13.1	16.9	1.75	.286	5.67	107	4.28	98	8.64	2.5
4	Tommy Byrne T. Byrne	7.08	203.1	1950	NYY	31	15	9	.625	31	4.74	118	10	2	0	188	107	115	23	160	17	0		951	3	5.22	0.74	1.02	12.4	16.8	1.71	.261	5.09	108	5.51	129	8.32	-29.6
5	Sam Jones S. Jones	6.89	241.2	1955	CHC	36	14	20	.412	34	4.10	198	12	4	0	175	110	118	22	185	14	1	5	1,070	5	7.37	1.07	0.82	18.5	17.3	1.49	.235	4.39	100	4.38	106	6.52	-6.3
6	Nolan Ryan N. Ryan	6.87	152.0	1971	NYM	30	10	14	.417	26	3.97	137	3	0	0	125	67	78	8	116	15	1	4	705	6	8.11	1.18	0.47	19.4	16.5	1.59	.273	4.62	117	3.91	118	7.40	-10.6
7	Randy Johnson R. Johnson	6.79	201.1	1991	SEA	33	13	10	.565	33	3.98	228	2	1	0	151	89	96	15	152	12	0	0	889	12	10.19	1.50	0.67	25.6	17.1	1.50	.282	4.29	96	4.00	99	6.75	1
8	Ken Chase K. Chase	6.78	150.0	1938	WSH	32	9	10	.474	21	5.58	64	7	0	1	151	93	99	4	113	4	5		689	6	3.84	0.57	0.24	9.3	16.4	1.76	.292	5.94	123	4.76	109	9.06	-7.4
9	Bob Feller B. Feller	6.74	277.2	1938	CLE	39	17	11	.607	36	4.08	240	20	2	1	225	126	136	13	208	7	3		1,248	5	7.78	1.15	0.42	19.2	16.7	1.56	.272	4.41	86	4.13	91	7.29	13
10	Bob Turley B. Turley	6.59	247.1	1954	BAL	35	14	15	.483	35	3.46	185	14	0	0	178	95	106	7	181	7	0		1,092	5	6.73	1.02	0.25	16.9	16.6	1.45	.240	3.86	99	3.55	101	6.48	-1.8
11	Bob Turley B. Turley	6.46	246.2	1955	NYY	36	17	13	.567	34	3.06	210	13	6	1	168	84	92	16	177	7	2	4	1,075	7	7.66	1.19	0.58	19.5	16.5	1.40	.229	3.36	82	3.75	102	6.13	-3.2
12	Herb Score H. Score	6.44	160.2	1959	CLE	30	9	11	.450	25	4.71	147	9	1	0	123	84	93	28	115	1	2	0	712	14	8.23	1.28	1.57	20.6	16.2	1.48	.226	5.21	124	5.14	133	6.89	-23.6
13	Sam McDowell S. McDowell	6.41	214.2	1971	CLE	35	13	17	.433	31	3.40	192	8	2	1	160	81	89	22	153	3	3	13	943	13	8.05	1.25	0.92	20.4	16.2	1.46	.241	3.73	94	4.17	113	6.71	-10.4
14	Jose De Jesus J. De Jesus	6.34	181.2	1991	PHI	31	10	9	.526	29	3.42	118	3	0	1	147	69	74	7	128	4	1	4	801	10	5.85	0.92	0.35	14.7	16.0	1.51	.257	3.67	93	4.23	113	7.28	-9.8
15	Johnny Lindell J. Lindell	6.29	199.0	1953	TOT	32	6	17	.261	26	4.66	118	15	1	0	195	103	122	17	139	6	4		910	11	5.34	0.85	0.77	13.0	15.3	1.68	.283	5.52	106	4.70	108	8.82	-7.1
16	Hal Gregg H. Gregg	6.24	197.2	1944	BKN	39	9	16	.360	31	5.46	92	6	0	2	201	120	142	12	137	9	7		941	10	4.19	0.67	0.55	9.8	14.6	1.71	.274	6.47	151	4.61	127	9.15	-21.8
17	Bump Hadley B. Hadley	6.20	248.1	1932	TOT	43	14	21	.400	35	5.40	145	13	1	2	261	149	168	23	171	8	5		1,155	5	5.26	0.85	0.83	12.6	14.8	1.74	.295	6.09	114	5.22	113	9.46	-14.7
18	Kaz Ishii K. Ishii	6.19	154.0	2002	LAD	28	14	10	.583	28	4.27	143	0	0	0	137	73	82	20	106	4	0	3	692	7	8.36	1.35	1.17	20.7	15.3	1.58	.279	4.79	111	4.93	119	8.01	-13.5
19	Randy Johnson R. Johnson	6.16	210.1	1992	SEA	31	12	14	.462	31	3.77	241	6	2	0	154	88	104	13	144	18	0	1	922	13	10.31	1.67	0.56	26.1	15.6	1.42	.279	4.45	96	3.60	91	6.59	7.9
20	Nolan Ryan N. Ryan	6.14	299.0	1977	CAL	37	19	16	.543	37	2.77	341	22	4	0	198	92	110	12	204	9	0	7	1,272	21	10.26	1.67	0.36	26.8	16.0	1.34	.263	3.31	72	3.11	79	5.96	27.9
21	J.R. Richard	6.12	203.0	1975	HOU	33	12	10	.545	31	4.39	176	7	1	0	178	99	107	8	138	4	1	0	905	20	7.80	1.28	0.35	19.4	15.2	1.56	.294	4.74	129	3.45	100	7.89	-0.6
22	Herb Score H. Score	6.10	227.1	1955	CLE	33	16	10	.615	32	2.85	245	11	2	0	158	72	85	18	154	1	0	1	978	12	9.70	1.59	0.71	25.1	15.7	1.37	.250	3.37	72	3.29	84	6.26	15.6
23	Dave Morehead D. Morehead	6.05	166.2	1964	BOS	32	8	15	.348	30	4.97	139	3	1	0	156	92	101	14	112	4	0	2	764	8	7.51	1.24	0.76	18.2	14.7	1.61	.287	5.45	129	4.12	103	8.42	-1.6
24	Steve Barber S. Barber	6.01	172.1	1967	TOT	32	10	18	.357	32	4.07	118	4	2	0	150	78	86	9	115	8	0	5	772	14	6.16	1.03	0.47	15.3	14.9	1.54	.270	4.49	129	3.99	121	7.83	-14
25	Nolan Ryan N. Ryan	6.00	198.0	1975	CAL	28	14	12	.538	28	3.45	186	10	5	0	152	76	90	13	132	7	0	0	864	12	8.45	1.41	0.59	21.5	15.3	1.43	.264	4.09	96	3.66	99	6.91	0.5