lowest season bb/9 by a pitcher since 1920

Since 1920, Carlos Silva has walked the worst walks per nine innings in a season, with 0.43 BB/9 in 2005.

Interpreted as:

lowest season bb/9 with a minimum of 1 IP per team game by a pitcher since 1920

	NAME	BB/9	SEASON	TM	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	Carlos Silva C. Silva	0.43	2005	MIN	27	9	8	.529	27	3.44	71	2	0	0	188.1	212	72	83	25	9	3	0	2	749	0	3.39	7.89	1.19	9.5	1.2	1.17	.292	3.97	80	4.17	100	10.13	0.1
2	Babe Adams B. Adams	0.62	1920	PIT	35	17	13	.567	33	2.16	84	18	8	2	263.0	240	63	83	6	18	1	2		1,035	5	2.87	4.67	0.21	8.1	1.7	0.98	.253	2.84	68	2.62	79	8.21	20.2
3	Bret Saberhagen B. Saberhagen	0.66	1994	NYM	24	14	4	.778	24	2.74	143	4	0	0	177.1	169	54	58	13	13	4	0	0	696	0	7.26	11.00	0.66	20.5	1.9	1.03	.298	2.94	67	2.75	65	8.58	29.4
4	Phil Hughes P. Hughes	0.69	2014	MIN	32	16	10	.615	32	3.52	186	1	0	0	209.2	221	82	88	16	16	5	0	1	855	1	7.98	11.63	0.69	21.8	1.9	1.13	.324	3.78	90	2.65	69	9.49	27.2
5	Red Lucas R. Lucas	0.74	1933	CIN	29	10	16	.385	29	3.40	40	21	3	0	219.2	248	83	106	13	18	2	0		902	1	1.64	2.22	0.53	4.4	2.0	1.21	.283	4.34	104	3.48	99	10.16	0.1
6	Cliff Lee C. Lee	0.76	2010	TOT	28	12	9	.571	28	3.18	185	7	1	0	212.1	195	75	84	16	18	1	0	2	843	3	7.84	10.28	0.68	21.9	2.1	1.00	.287	3.56	75	2.58	61	8.27	38.1
7	Bob Tewksbury B. Tewksbury	0.77	1992	STL	33	16	5	.762	32	2.16	91	5	0	0	233.0	217	56	63	15	20	3	1	0	915	2	3.52	4.55	0.58	9.9	2.2	1.02	.257	2.43	62	3.13	89	8.38	9.9
8	Greg Maddux G. Maddux	0.77	1997	ATL	33	19	4	.826	33	2.20	177	5	2	0	232.2	200	57	58	9	20	6	0	6	893	0	6.85	8.85	0.35	19.8	2.2	0.95	.280	2.24	53	2.42	58	7.74	46.2
9	Babe Adams B. Adams	0.79	1922	PIT	27	8	11	.421	19	3.57	39	12	4	1	171.1	191	68	77	1	15	4	4		707	1	2.05	2.60	0.05	5.5	2.1	1.20	.293	4.04	87	2.96	73	10.03	20.4
10	Bob Tewksbury B. Tewksbury	0.84	1993	STL	32	17	10	.630	32	3.83	97	2	0	0	213.2	258	91	99	15	20	6	0	1	907	2	4.09	4.85	0.63	10.7	2.2	1.30	.316	4.17	97	3.35	84	10.87	15.7
11	David Wells D. Wells	0.85	2003	NYY	31	15	7	.682	30	4.14	101	4	1	0	213.0	242	98	101	24	20	8	0	0	887	3	4.27	5.05	1.01	11.4	2.3	1.23	.297	4.27	92	3.94	88	10.23	12.4
12	LaMarr Hoyt L. Hoyt	0.86	1985	SDP	31	16	8	.667	31	3.47	83	8	3	0	210.1	210	81	85	20	20	2	0	2	839	0	3.55	4.15	0.86	9.9	2.4	1.09	.266	3.64	99	3.44	93	8.99	6
13	Kyle Hendricks K. Hendricks	0.89	2020	CHC	12	6	5	.545	12	2.88	64	1	1	0	81.1	73	26	26	10	8	1	0	1	315	1	7.08	8.00	1.11	20.3	2.5	1.00	.272	2.88	65	3.54	80	8.08	7.8
14	Grover Alexander G. Alexander	0.89	1923	CHC	39	22	12	.647	36	3.19	72	26	3	2	305.0	308	108	128	17	30	0	2		1,246	2	2.12	2.40	0.50	5.8	2.4	1.11	.258	3.78	79	3.48	87	9.09	17.9
15	George Kirby G. Kirby	0.90	2023	SEA	31	12	10	.545	31	3.35	172	1	0	0	190.2	179	71	74	22	19	6	0	1	757	1	8.12	9.05	1.04	22.7	2.5	1.04	.292	3.49	83	3.34	81	8.45	16.7
16	Marco Gonzales M. Gonzales	0.90	2020	SEA	11	7	2	.778	11	3.10	64	1	0	0	69.2	59	24	27	8	7	4	0	0	277	0	8.27	9.14	1.03	23.1	2.5	0.95	.263	3.49	74	3.31	77	7.62	7.9
17	Jon Lieber J. Lieber	0.92	2004	NYY	27	14	8	.636	27	4.33	102	0	0	0	176.2	216	85	95	20	18	2	0	2	749	7	5.20	5.67	1.02	13.6	2.4	1.32	.323	4.84	95	3.70	83	11.00	15.3
18	David Wells D. Wells	0.92	2004	SDP	31	12	8	.600	31	3.73	101	0	0	0	195.2	203	81	85	23	20	2	0	1	804	2	4.65	5.05	1.06	12.6	2.5	1.14	.274	3.91	94	3.87	92	9.34	7.6
19	Tiny Bonham T. Bonham	0.96	1942	NYY	28	21	5	.808	27	2.27	71	22	6	0	226.0	199	57	65	11	24	1	1		872	1	2.83	2.96	0.44	8.1	2.8	0.99	.246	2.59	63	2.75	80	7.92	17.6
20	Greg Maddux G. Maddux	0.99	1995	ATL	28	19	2	.905	28	1.63	181	10	3	0	209.2	147	38	39	8	23	4	0	3	785	1	7.77	7.87	0.34	23.1	2.9	0.81	.244	1.67	39	2.25	52	6.31	46.9
21	Dennis Eckersley D. Eckersley	1.01	1985	CHC	25	11	7	.611	25	3.08	117	6	2	0	169.1	145	58	61	15	19	3	0	4	664	0	6.22	6.16	0.80	17.6	2.9	0.97	.255	3.24	80	2.84	73	7.71	19
22	Babe Adams B. Adams	1.01	1921	PIT	25	14	5	.737	20	2.64	55	11	2	0	160.0	155	47	57	4	18	0	3		646	0	3.09	3.06	0.23	8.5	2.8	1.08	.265	3.21	70	3.08	79	8.72	14.5
23	Gary Nolan G. Nolan	1.02	1976	CIN	34	15	9	.625	34	3.46	113	7	1	0	239.1	232	92	96	28	27	1	0	3	953	2	4.25	4.19	1.05	11.9	2.8	1.08	.260	3.61	98	3.56	102	8.72	-1.8
24	Fergie Jenkins F. Jenkins	1.02	1971	CHC	39	24	13	.649	39	2.77	263	30	3	0	325.0	304	100	114	29	37	5	0	6	1,299	3	7.28	7.11	0.80	20.2	2.8	1.05	.285	3.16	73	2.38	64	8.42	45.3
25	David Wells D. Wells	1.03	2005	BOS	30	15	7	.682	30	4.45	107	2	0	0	184.0	220	91	95	21	21	9	0	0	780	4	5.23	5.10	1.03	13.7	2.7	1.31	.320	4.65	98	3.82	90	10.76	8.5