lowest career bb/9 by a pitcher with 1500 ip since 1920

Since 1920, Grover Alexander has walked the worst walks per nine innings when pitching at least 1500 innings, with 1.31 BB/9.

Interpreted as:

lowest career bb/9 by a pitcher with 1500 or more ip since 1920

	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	Grover Alexander G. Alexander	1.31	2437.0	334	165	108	.604	293	3.09	659	194	20	16	2,568	838	1,006	116	355	15	31		10,002	18	2.43	1.86	0.43	6.6	3.5	1.20	.277	3.72	78	3.51	88	9.48	124.2
2	Bob Tewksbury B. Tewksbury	1.45	1807.0	302	110	102	.519	277	3.92	812	31	7	1	2,043	787	884	142	292	41	8	22	7,623	24	4.04	2.78	0.71	10.7	3.8	1.29	.300	4.40	95	3.64	89	10.18	89.8
3	Red Lucas R. Lucas	1.61	2542.0	396	157	135	.538	302	3.72	602	204	22	7	2,736	1,051	1,203	136	455	22	71		10,651	7	2.13	1.32	0.48	5.7	4.3	1.26	.276	4.26	95	3.86	97	9.69	36
4	Brad Radke B. Radke	1.63	2451.0	378	148	139	.516	377	4.22	1,467	37	10	0	2,643	1,150	1,233	326	445	62	0	12	10,244	28	5.39	3.30	1.20	14.3	4.3	1.26	.292	4.53	90	4.24	94	9.71	75.2
5	Bret Saberhagen B. Saberhagen	1.65	2562.2	399	167	117	.588	371	3.34	1,715	76	16	1	2,452	952	1,036	218	471	59	13	34	10,421	53	6.02	3.64	0.77	16.5	4.5	1.14	.281	3.64	80	3.26	80	8.61	225.4
6	Rick Reed R. Reed	1.66	1545.2	273	93	76	.550	245	4.03	970	14	7	1	1,601	692	748	213	285	44	6	28	6,407	11	5.65	3.40	1.24	15.1	4.4	1.22	.284	4.36	95	4.21	99	9.32	2.8
7	Tiny Bonham T. Bonham	1.67	1551.0	231	103	72	.589	193	3.06	478	110	21	9	1,501	528	580	117	287	9	27		6,284	4	2.77	1.67	0.68	7.6	4.6	1.15	.257	3.37	83	3.46	94	8.71	37.9
8	Jon Lieber J. Lieber	1.73	2198.0	401	131	124	.514	327	4.27	1,553	25	5	2	2,388	1,043	1,158	285	422	49	18	52	9,300	30	6.36	3.68	1.17	16.7	4.5	1.28	.301	4.74	98	4.01	90	9.78	104.3
9	Fritz Peterson F. Peterson	1.73	2218.1	355	133	131	.504	330	3.30	1,015	90	20	1	2,217	813	947	173	426	42	9	75	9,103	33	4.12	2.38	0.70	11.2	4.7	1.19	.274	3.84	99	3.24	94	8.99	51.9
10	Robin Roberts R. Roberts	1.73	4688.2	676	286	245	.539	609	3.41	2,357	305	45	25	4,582	1,774	1,962	505	902	54	49	69	19,174	33	4.52	2.61	0.97	12.3	4.7	1.17	.265	3.77	89	3.50	91	8.80	179.6
11	Greg Maddux G. Maddux	1.80	5008.1	744	355	227	.610	740	3.16	3,371	109	35	0	4,726	1,756	1,981	353	999	137	3	177	20,421	70	6.06	3.37	0.63	16.5	4.9	1.14	.281	3.56	76	3.25	78	8.49	519.5
12	Pete Donohue P. Donohue	1.80	2112.1	344	134	118	.532	267	3.87	571	138	16	14	2,439	909	1,082	67	422	46	56		9,055	10	2.43	1.35	0.29	6.3	4.7	1.35	.298	4.61	98	3.58	91	10.39	79.9
13	Carl Hubbell C. Hubbell	1.82	3590.1	535	253	154	.622	433	2.98	1,677	260	36	33	3,461	1,188	1,380	227	725	53	82		14,805	53	4.20	2.31	0.57	11.3	4.9	1.17	.267	3.46	76	3.55	89	8.68	174.2
14	Juan Marichal J. Marichal	1.82	3507.0	471	243	142	.631	457	2.89	2,303	244	52	2	3,153	1,126	1,329	320	709	40	11	82	14,236	51	5.91	3.25	0.82	16.2	5.0	1.10	.261	3.41	81	3.04	88	8.09	154.8
15	Lew Burdette L. Burdette	1.84	3067.1	626	203	144	.585	373	3.66	1,074	158	33	32	3,186	1,246	1,400	289	628	56	128	63	12,745	23	3.15	1.71	0.85	8.4	4.9	1.24	.271	4.11	101	3.68	103	9.35	-41.7
16	Curt Davis C. Davis	1.85	2325.0	429	158	131	.547	280	3.42	684	141	24	33	2,459	884	1,033	142	479	47	111		9,752	20	2.65	1.43	0.55	7.0	4.9	1.26	.276	4.00	87	3.72	92	9.52	86.1
17	Dan Haren D. Haren	1.86	2419.2	391	153	131	.539	380	3.75	2,013	16	6	1	2,357	1,009	1,105	305	500	67	4	39	10,022	98	7.49	4.03	1.13	20.1	5.0	1.18	.288	4.11	92	3.77	92	8.77	92.8
18	Ken Raffensberger K. Raffensberger	1.88	2151.2	396	119	154	.436	282	3.60	806	133	31	16	2,257	860	993	191	449	19	66		9,051	10	3.37	1.80	0.80	8.9	5.0	1.26	.272	4.15	92	3.59	91	9.44	81.3
19	Paul Derringer P. Derringer	1.88	3645.0	579	223	212	.513	445	3.46	1,507	251	32	29	3,912	1,401	1,652	158	761	32	98		15,391	50	3.72	1.98	0.39	9.8	4.9	1.28	.290	4.08	93	3.26	86	9.66	218.5
20	David Wells D. Wells	1.88	3439.0	660	239	157	.604	489	4.13	2,201	54	12	13	3,635	1,578	1,702	407	719	83	65	65	14,413	101	5.76	3.06	1.07	15.3	5.0	1.27	.293	4.45	93	3.99	90	9.51	172.9
21	Eppa Rixey E. Rixey	1.90	3175.0	481	190	170	.528	391	3.34	769	205	23	10	3,403	1,178	1,441	78	672	48	71		13,302	47	2.18	1.14	0.22	5.8	5.1	1.28	.283	4.08	87	3.53	91	9.65	118.5
22	Bill Swift B. Swift	1.93	1637.2	336	95	82	.537	165	3.58	636	78	7	20	1,682	651	753	101	351	36	119		6,891	11	3.50	1.81	0.56	9.2	5.1	1.24	.274	4.14	93	3.75	94	9.24	43.1
23	Jordan Zimmermann J. Zimmermann	1.93	1614.0	279	95	91	.511	275	4.07	1,271	8	4	0	1,673	730	789	195	346	60	2	12	6,766	25	7.09	3.67	1.09	18.8	5.1	1.25	.302	4.40	99	3.86	95	9.33	28.2
24	Cliff Lee C. Lee	1.94	2156.2	328	143	91	.611	324	3.52	1,824	29	12	0	2,116	843	923	223	464	50	1	12	8,917	41	7.61	3.93	0.93	20.5	5.2	1.20	.298	3.85	84	3.44	82	8.83	168.2
25	Roy Halladay R. Halladay	1.94	2749.1	416	203	105	.659	390	3.38	2,117	67	20	1	2,646	1,034	1,135	236	592	81	6	28	11,287	56	6.93	3.58	0.77	18.8	5.2	1.18	.292	3.72	77	3.39	77	8.66	296