highest career bb/9 by a pitcher with 800 ip since 1920

Since 1920, Tommy Byrne has walked the best walks per nine innings when pitching at least 800 innings, with 6.85 BB/9.

Interpreted as:

highest career bb/9 by a pitcher with 800 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	Tommy Byrne T. Byrne	6.85	1362.0	281	85	69	.552	170	4.11	766	65	12	12	1,138	622	688	98	1,037	85	72	10	6,181	28	5.06	0.74	0.65	12.4	16.8	1.60	.248	4.55	103	4.76	120	7.52	-126.4
2	Mark Clear M. Clear	6.20	804.1	481	71	49	.592	1	3.85	804	0	0	83	674	344	397	60	554	35	337	45	3,614	49	9.00	1.45	0.67	22.2	15.3	1.53	.284	4.44	93	3.90	97	7.54	12.6
3	Herb Score H. Score	6.01	858.1	150	55	46	.545	127	3.36	837	47	11	3	609	320	364	79	573	7	11	7	3,696	55	8.78	1.46	0.83	22.6	15.5	1.38	.241	3.82	86	3.71	95	6.39	18.4
4	Mickey McDermott M. McDermott	5.73	1316.2	291	69	69	.500	156	3.91	757	54	11	14	1,161	572	655	86	838	28	86	8	5,801	39	5.17	0.90	0.59	13.0	14.4	1.52	.263	4.48	94	4.14	101	7.94	-0.5
5	Bob Turley B. Turley	5.61	1712.2	310	101	85	.543	237	3.64	1,265	78	24	13	1,366	693	753	140	1,068	56	38	21	7,447	39	6.65	1.18	0.74	17.0	14.3	1.42	.249	3.96	98	4.02	108	7.18	-66.7
6	Roxie Lawson R. Lawson	5.41	851.2	208	47	39	.547	83	5.37	258	34	2	11	963	508	562	70	512	7	78		3,961	20	2.73	0.50	0.74	6.5	12.9	1.73	.287	5.94	113	5.34	115	10.18	-64.2
7	Ken Chase K. Chase	5.36	1165.0	188	53	84	.387	160	4.27	582	62	4	1	1,188	553	647	55	694	15	18		5,283	53	4.50	0.84	0.42	11.0	13.1	1.62	.288	5.00	104	4.21	105	9.18	-28.3
8	Daniel Cabrera D. Cabrera	5.24	892.1	162	48	65	.425	155	5.10	674	6	2	1	884	506	548	92	520	55	5	17	4,041	71	6.80	1.30	0.93	16.7	12.9	1.57	.293	5.53	114	4.88	108	8.92	-31.1
9	Sugar Cain S. Cain	5.19	987.1	178	53	60	.469	137	4.83	279	58	2	1	1,119	530	611	67	569	15	14		4,556	12	2.54	0.49	0.61	6.1	12.5	1.71	.290	5.57	103	5.14	114	10.20	-63.6
10	Turk Lown T. Lown	5.15	1032.0	504	55	61	.474	49	4.12	574	10	1	73	978	472	525	105	590	10	255	40	4,574	33	5.01	0.97	0.92	12.5	12.9	1.52	.265	4.58	104	4.45	111	8.53	-52
11	Dave Morehead D. Morehead	5.09	819.1	177	40	64	.385	134	4.15	627	19	6	1	730	378	430	78	463	12	15	9	3,608	41	6.89	1.35	0.86	17.4	12.8	1.46	.269	4.72	111	3.98	104	8.02	-10.6
12	Jason Bere J. Bere	5.07	1111.0	211	71	65	.522	203	5.14	920	4	0	0	1,095	634	694	145	626	29	2	25	4,987	51	7.45	1.47	1.17	18.4	12.6	1.55	.291	5.62	115	4.88	108	8.87	-45.8
13	Phil Marchildon P. Marchildon	5.07	1214.1	185	68	75	.476	162	3.93	481	82	6	2	1,084	530	605	81	684	23	18		5,309	45	3.56	0.70	0.60	9.1	12.9	1.46	.248	4.48	102	4.34	114	8.03	-72.7
14	Eric Plunk E. Plunk	5.06	1151.0	714	72	58	.554	41	3.82	1,081	0	0	35	1,009	488	537	122	647	32	234	45	5,030	75	8.45	1.67	0.95	21.5	12.9	1.44	.282	4.20	91	4.20	99	7.89	6.1
15	Bobby Witt B. Witt	5.02	2465.0	430	142	157	.475	397	4.83	1,955	47	11	0	2,493	1,324	1,449	252	1,375	39	13	37	11,003	128	7.14	1.42	0.92	17.8	12.5	1.57	.304	5.29	111	4.41	102	9.10	-26.2
16	Ron Villone R. Villone	4.91	1168.0	717	61	65	.484	93	4.73	925	2	0	8	1,115	614	665	136	637	68	168	39	5,193	48	7.13	1.45	1.05	17.8	12.3	1.50	.286	5.12	105	4.82	107	8.59	-41.4
17	Johnny Vander Meer J. Vander Meer	4.84	2104.2	346	119	121	.496	286	3.44	1,294	131	29	2	1,799	805	915	100	1,132	21	28		9,034	37	5.53	1.14	0.43	14.3	12.5	1.39	.262	3.91	94	3.64	98	7.69	11.3
18	Walt Masterson W. Masterson	4.83	1649.2	399	78	100	.438	184	4.15	815	70	15	21	1,613	760	888	101	886	28	115	1	7,281	33	4.45	0.92	0.55	11.2	12.2	1.51	.277	4.84	105	4.03	103	8.80	-21.7
19	Hal Gregg H. Gregg	4.82	827.0	201	40	48	.455	115	4.54	401	27	4	9	805	417	486	43	443	29	43		3,706	24	4.36	0.91	0.47	10.8	12.0	1.51	.273	5.29	120	3.93	105	8.76	-15.1
20	Hank Johnson H. Johnson	4.79	1066.1	249	63	56	.529	116	4.75	568	45	4	11	1,107	563	665	89	567	32	81		4,828	33	4.79	1.00	0.75	11.8	11.7	1.57	.285	5.61	112	4.79	115	9.34	-79.7
21	Jason Grimsley J. Grimsley	4.79	936.2	552	42	58	.420	72	4.77	622	3	1	4	954	496	549	83	498	47	127	46	4,208	96	5.98	1.25	0.80	14.8	11.8	1.55	.294	5.28	104	4.61	102	9.17	-6.6
22	Jack Wilson J. Wilson	4.78	1131.2	281	68	72	.486	121	4.59	590	50	5	20	1,233	577	686	73	601	18	98		5,158	37	4.69	0.98	0.58	11.4	11.7	1.62	.299	5.46	99	4.38	96	9.81	25.3
23	Tim Lollar T. Lollar	4.77	906.0	199	47	52	.475	131	4.27	600	9	4	4	841	430	459	93	480	17	20	21	3,941	47	5.96	1.25	0.92	15.2	12.2	1.46	.272	4.56	117	4.37	118	8.35	-69.1
24	Spec Shea S. Shea	4.74	943.2	195	56	46	.549	118	3.80	361	48	12	5	849	398	453	66	497	19	50	0	4,076	15	3.44	0.73	0.63	8.9	12.2	1.43	.250	4.32	99	4.29	112	8.10	-50.4
25	Sam McDowell S. McDowell	4.74	2492.1	425	141	134	.513	346	3.17	2,453	103	23	14	1,948	879	999	164	1,312	59	39	74	10,587	140	8.86	1.87	0.59	23.2	12.4	1.31	.270	3.61	90	3.06	84	7.03	160.4