best bb/9 with a minimum of 1000 innings pitched as a pitcher in the 2000s

Between the 2000 and 2009 seasons, Oliver Perez walked the highest walks per nine innings when pitching at least 1000 innings, with 4.95 BB/9.

	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	Oliver Perez O. Perez	4.95	1065.1	189	58	64	.475	188	4.54	1,089	3	2	0	965	537	587	158	586	52	0	14	4,707	37	9.20	1.86	1.33	23.1	12.4	1.46	.286	4.96	109	4.77	112	8.15	-59.8
2	Russ Ortiz R. Ortiz	4.53	1358.1	250	91	75	.548	220	4.55	947	6	3	0	1,329	687	735	144	684	35	9	30	5,965	40	6.27	1.38	0.95	15.9	11.5	1.48	.285	4.87	106	4.62	107	8.81	-50.6
3	Shawn Estes S. Estes	4.53	1037.2	180	61	57	.517	178	4.96	660	9	4	0	1,108	572	616	106	522	36	0	23	4,598	40	5.72	1.26	0.92	14.4	11.4	1.57	.306	5.34	114	4.71	108	9.61	-38.2
4	Jamey Wright J. Wright	4.51	1160.1	328	57	82	.410	155	4.78	701	4	3	0	1,199	616	686	121	582	101	38	45	5,155	51	5.44	1.20	0.94	13.6	11.3	1.53	.295	5.32	106	4.99	112	9.30	-64.9
5	Kip Wells K. Wells	4.27	1265.1	282	63	98	.391	205	4.73	915	3	2	2	1,316	665	733	143	600	66	24	52	5,648	62	6.51	1.53	1.02	16.2	10.6	1.51	.299	5.21	109	4.66	107	9.36	-42.2
6	Hideo Nomo H. Nomo	4.26	1015.2	172	62	60	.508	168	4.64	887	5	4	0	968	524	549	145	481	15	2	17	4,392	46	7.86	1.84	1.28	20.2	11.0	1.43	.287	4.86	109	4.61	106	8.58	-30.2
7	Kerry Wood K. Wood	4.23	1107.2	308	67	58	.536	152	3.71	1,237	10	4	54	878	457	482	124	520	80	112	15	4,697	47	10.05	2.38	1.01	26.3	11.1	1.26	.276	3.92	86	3.89	88	7.13	63.2
8	Matt Clement M. Clement	4.11	1218.1	203	75	74	.503	203	4.47	1,069	6	3	0	1,121	605	648	126	557	85	0	20	5,324	88	7.90	1.92	0.93	20.1	10.5	1.38	.285	4.79	104	4.21	97	8.28	17.8
9	Chan Ho Park C. Ho Park	4.08	1205.2	272	73	62	.541	180	4.52	1,000	6	3	2	1,162	605	651	141	546	97	17	25	5,299	43	7.46	1.83	1.05	18.9	10.3	1.42	.290	4.86	103	4.52	102	8.67	-11
10	Doug Davis D. Davis	4.07	1629.0	287	90	97	.481	269	4.26	1,206	7	3	0	1,687	771	837	169	736	39	4	26	7,162	60	6.66	1.64	0.93	16.8	10.3	1.49	.303	4.62	94	4.38	98	9.32	19.5
11	Ryan Dempster R. Dempster	4.05	1423.1	412	79	77	.506	190	4.31	1,205	10	3	87	1,395	682	737	147	641	53	184	37	6,204	43	7.62	1.88	0.93	19.4	10.3	1.43	.300	4.66	100	4.18	96	8.82	29.7
12	Carlos Zambrano C. Zambrano	4.05	1551.1	259	105	68	.607	238	3.51	1,324	9	4	0	1,313	605	669	126	698	81	4	36	6,593	49	7.68	1.90	0.73	20.1	10.6	1.30	.272	3.88	80	3.94	89	7.62	82.3
13	Jason Jennings J. Jennings	4.03	1128.1	225	62	74	.456	180	4.95	749	6	3	1	1,253	621	661	137	505	34	8	41	5,032	51	5.97	1.48	1.09	14.9	10.0	1.56	.309	5.27	104	4.74	103	9.99	-14.7
14	Miguel Batista M. Batista	3.98	1441.2	414	84	91	.480	201	4.54	907	8	3	38	1,507	727	806	150	637	53	111	31	6,353	79	5.66	1.42	0.94	14.3	10.0	1.49	.295	5.03	100	4.61	103	9.41	-22.7
15	Al Leiter A. Leiter	3.94	1096.1	186	72	61	.541	179	3.78	867	5	4	0	1,016	461	515	104	480	55	2	30	4,732	18	7.12	1.81	0.85	18.3	10.1	1.36	.283	4.23	91	4.15	97	8.34	16.1
16	Mike Hampton M. Hampton	3.76	1221.0	201	78	72	.520	201	4.56	683	8	3	0	1,327	618	683	122	510	28	0	35	5,363	40	5.03	1.34	0.90	12.7	9.5	1.50	.300	5.03	100	4.55	102	9.78	-7.7
17	A.J. Burnett	3.74	1542.0	241	96	83	.536	237	3.85	1,440	20	9	0	1,355	660	721	144	640	70	1	21	6,531	83	8.40	2.25	0.84	22.0	9.8	1.29	.286	4.21	90	3.80	87	7.91	92.9
18	Barry Zito B. Zito	3.72	1999.0	321	133	106	.556	320	3.84	1,501	10	4	0	1,775	852	929	209	826	81	0	36	8,484	36	6.76	1.82	0.94	17.7	9.7	1.30	.267	4.18	88	4.29	98	7.99	23.4
19	Steve Trachsel S. Trachsel	3.53	1354.2	233	83	90	.480	231	4.42	762	9	5	0	1,428	665	724	179	531	25	1	33	5,876	35	5.06	1.44	1.19	13.0	9.0	1.45	.285	4.81	102	4.90	111	9.49	-76.9
20	Kelvim Escobar K. Escobar	3.50	1222.1	329	77	75	.507	162	3.99	1,073	9	4	45	1,158	542	588	112	476	37	105	24	5,207	48	7.90	2.25	0.82	20.6	9.1	1.34	.298	4.33	86	3.78	84	8.53	97.6
21	Jason Marquis J. Marquis	3.50	1485.0	290	94	83	.531	231	4.48	867	6	3	1	1,528	739	809	182	578	66	26	33	6,465	43	5.25	1.50	1.10	13.4	8.9	1.42	.282	4.90	103	4.81	110	9.26	-75.2
22	Gil Meche G. Meche	3.49	1285.0	222	76	74	.507	219	4.41	962	6	3	0	1,303	630	682	158	499	25	2	9	5,535	36	6.74	1.93	1.11	17.4	9.0	1.40	.294	4.78	100	4.43	101	9.13	-7.5
23	Jason Schmidt J. Schmidt	3.49	1260.1	197	89	54	.622	197	3.63	1,223	15	9	0	1,071	509	552	108	489	33	0	23	5,290	55	8.73	2.50	0.77	23.1	9.2	1.24	.280	3.94	85	3.46	82	7.65	110.3
24	Adam Eaton A. Eaton	3.42	1178.2	209	71	68	.511	201	4.94	855	3	0	0	1,253	647	688	167	448	52	4	33	5,167	35	6.53	1.91	1.28	16.5	8.7	1.44	.298	5.25	118	4.75	110	9.57	-56.1
25	Dontrelle Willis D. Willis	3.39	1080.1	177	69	60	.535	176	4.02	792	15	8	0	1,101	483	529	102	407	54	0	22	4,675	32	6.60	1.95	0.85	16.9	8.7	1.40	.301	4.41	94	4.13	95	9.17	21.8