lowest career bb/9 by a pitcher with 1500 ip since 1950

Since 1950, Bob Tewksbury has walked the worst walks per nine innings when pitching at least 1500 innings, with 1.45 BB/9.

Interpreted as:

lowest career bb/9 by a pitcher with 1500 or more ip since 1950

	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	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
2	Robin Roberts R. Roberts	1.60	4315.1	613	264	221	.544	558	3.40	2,178	285	42	21	4,205	1,629	1,798	480	766	45	40	69	17,637	31	4.54	2.84	1.00	12.3	4.3	1.15	.263	3.75	89	3.49	91	8.77	169
3	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
4	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
5	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
6	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
7	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
8	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
9	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
10	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
11	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
12	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
13	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
14	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
15	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
16	Brian Anderson B. Anderson	1.96	1547.0	291	82	83	.497	245	4.74	723	12	4	1	1,743	814	906	264	337	23	11	28	6,532	22	4.21	2.15	1.54	11.1	5.2	1.34	.285	5.27	103	5.06	111	10.14	-85.6
17	Curt Schilling C. Schilling	1.96	3261.0	569	216	146	.597	436	3.46	3,116	83	20	22	2,998	1,253	1,318	347	711	52	81	43	13,284	72	8.60	4.38	0.96	23.5	5.4	1.14	.293	3.64	80	3.22	76	8.27	373.6
18	Don Newcombe D. Newcombe	1.96	1910.1	306	132	82	.617	263	3.61	980	117	19	6	1,879	766	867	235	417	27	29	21	7,886	18	4.62	2.35	1.11	12.4	5.3	1.20	.264	4.08	89	3.74	91	8.85	78.3
19	Mike Leake M. Leake	1.98	1829.0	301	105	98	.517	296	4.05	1,231	6	2	0	1,940	824	905	238	403	68	2	29	7,693	33	6.06	3.05	1.17	16.0	5.2	1.28	.296	4.45	101	4.23	104	9.55	-35.5
20	Mike Mussina M. Mussina	1.98	3562.2	537	270	153	.638	536	3.68	2,813	57	23	0	3,460	1,458	1,559	376	785	60	0	29	14,593	71	7.11	3.58	0.95	19.3	5.4	1.19	.292	3.94	82	3.57	79	8.74	372.8
21	Fergie Jenkins F. Jenkins	1.99	4500.2	664	284	226	.557	594	3.34	3,192	267	49	7	4,142	1,669	1,853	484	997	84	37	116	18,400	62	6.38	3.20	0.97	17.3	5.4	1.14	.268	3.71	87	3.27	88	8.28	222.9
22	Vern Law V. Law	2.01	2672.0	483	162	147	.524	364	3.77	1,092	119	28	13	2,833	1,118	1,274	268	597	40	78	74	11,231	39	3.68	1.83	0.90	9.7	5.3	1.28	.278	4.29	99	3.70	98	9.54	16.8
23	Mark Buehrle M. Buehrle	2.01	3283.1	518	214	160	.572	493	3.81	1,870	33	10	0	3,472	1,391	1,542	361	734	79	6	49	13,705	27	5.13	2.55	0.99	13.6	5.4	1.28	.292	4.23	87	4.11	93	9.52	111.9
24	Corey Kluber C. Kluber	2.02	1641.2	271	116	77	.601	260	3.44	1,725	18	8	1	1,486	627	684	177	368	65	4	9	6,688	31	9.46	4.69	0.97	25.8	5.5	1.13	.301	3.75	83	3.22	78	8.15	161.7
25	Greg Swindell G. Swindell	2.02	2233.1	664	123	122	.502	269	3.86	1,542	40	12	7	2,313	957	1,053	262	501	21	93	34	9,301	30	6.21	3.08	1.06	16.6	5.4	1.26	.294	4.24	94	3.76	92	9.32	72.6