lowest career k/bb, min 200 games pitched

Claude Willoughby had the worst K/BB when pitching in 200+ games, with 0.43 K/BB.

Interpreted as:

lowest career k/bb by a player, min 200 games pitched

	NAME	K/BB	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	TBF	WP	K/9	BB/9	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Claude Willoughby C. Willoughby	0.43	219	38	58	.396	101	5.84	175	33	4	9	841.1	1,111	546	631	57	406	18	60	3,940	22	1.87	4.34	0.61	4.4	10.3	1.80	.321	6.75	125	5.09	109	11.88	-30
2	Roxie Lawson R. Lawson	0.50	208	47	39	.547	83	5.37	258	34	2	11	851.2	963	508	562	70	512	7	78	3,961	20	2.73	5.41	0.74	6.5	12.9	1.73	.287	5.94	113	5.34	115	10.18	-64.2
3	George Hemming G. Hemming	0.52	204	91	82	.526	168	4.53	362	156	7	6	1587.2	1,795	800	1,120	55	690	52	34	7,184	40	2.05	3.91	0.31	5.0	9.6	1.57	.289	6.35	105	4.69	106	10.18	-52.4
4	Ed Klieman E. Klieman	0.54	222	26	28	.481	32	3.49	130	10	2	33	542.0	525	210	232	17	239	17	106	2,318	9	2.16	3.97	0.28	5.6	10.3	1.41	.265	3.85	102	3.89	112	8.72	-28.1
5	Carl Scheib C. Scheib	0.59	267	45	65	.409	107	4.88	290	47	6	18	1070.2	1,130	581	634	99	493	30	125	4,714	35	2.44	4.14	0.83	6.2	10.5	1.52	.271	5.33	120	4.65	115	9.50	-70.1
6	Kid Carsey K. Carsey	0.61	296	116	138	.457	257	4.95	486	218	4	3	2233.1	2,794	1,229	1,728	80	800	125	38	10,251	92	1.96	3.22	0.32	4.7	7.8	1.61	.310	6.96	118	4.36	103	11.26	-39.1
7	Bill Hart B. Hart	0.61	206	66	120	.355	190	4.65	431	162	5	3	1582.0	1,819	817	1,214	43	704	71	16	7,243	80	2.45	4.01	0.24	6.0	9.7	1.59	.297	6.91	115	4.43	110	10.35	-71.1
8	Ken Trinkle K. Trinkle	0.63	216	21	29	.420	19	3.74	130	3	0	21	435.1	442	181	212	24	208	10	103	1,907	8	2.69	4.30	0.50	6.8	10.9	1.49	.272	4.38	100	4.10	109	9.14	-14.9
9	Buck Ross B. Ross	0.63	237	56	95	.371	182	4.94	360	65	6	2	1365.1	1,545	749	882	114	573	7	33	6,141	38	2.37	3.78	0.75	5.9	9.3	1.55	.281	5.81	116	4.66	111	10.18	-70.6
10	Howie Judson H. Judson	0.64	207	17	37	.315	48	4.29	204	8	0	14	615.0	619	293	337	60	319	11	72	2,715	11	2.99	4.67	0.88	7.5	11.7	1.53	.264	4.93	103	4.74	116	9.06	-44.8
11	Ownie Carroll O. Carroll	0.64	248	64	90	.416	153	4.43	311	71	2	5	1330.2	1,532	655	808	61	486	48	60	5,900	42	2.10	3.29	0.41	5.3	8.2	1.52	.295	5.46	112	4.36	108	10.36	-51.4
12	Hugh Mulcahy H. Mulcahy	0.64	220	45	89	.336	145	4.49	314	63	5	8	1161.2	1,271	579	695	69	487	39	47	5,161	36	2.43	3.77	0.53	6.1	9.4	1.51	.283	5.38	113	4.50	110	9.85	-47.8
13	Vern Kennedy V. Kennedy	0.66	344	104	132	.441	263	4.67	691	127	7	6	2025.2	2,173	1,052	1,202	130	1,049	24	56	9,055	54	3.07	4.66	0.58	7.6	11.6	1.59	.285	5.34	107	4.60	108	9.65	-72.9
14	Dick Fowler D. Fowler	0.66	221	66	79	.455	170	4.11	382	75	11	4	1303.0	1,367	595	685	98	578	19	36	5,680	12	2.64	3.99	0.68	6.7	10.2	1.49	.276	4.73	104	4.27	109	9.44	-52.4
15	Brickyard Kennedy B. Kennedy	0.66	406	187	159	.540	354	3.96	799	294	13	9	3030.0	3,282	1,332	1,863	94	1,203	68	49	13,285	87	2.37	3.57	0.28	6.0	9.1	1.48	.287	5.53	98	4.28	106	9.75	-104.3
16	Dixie Davis D. Davis	0.67	239	75	71	.514	164	3.97	460	77	10	1	1318.2	1,311	581	722	62	688	45	46	5,799	22	3.14	4.70	0.42	7.9	11.9	1.52	.275	4.93	94	4.53	109	8.95	-46.7
17	Ellsworth Cunningham E. Cunningham	0.67	342	142	167	.460	311	4.22	718	287	4	2	2734.2	3,071	1,283	1,942	62	1,064	148	28	12,285	161	2.36	3.50	0.20	5.8	8.7	1.51	.292	6.39	111	4.04	107	10.11	-91.1
18	Duke Esper D. Esper	0.68	236	101	100	.502	198	4.39	453	152	4	5	1727.2	2,048	842	1,196	46	669	32	35	7,824	24	2.36	3.49	0.24	5.8	8.6	1.57	.302	6.23	105	4.14	98	10.67	19.9
19	Elam Vangilder E. Vangilder	0.68	367	99	102	.493	187	4.28	474	91	13	20	1715.2	1,894	815	1,014	93	700	42	120	7,568	22	2.49	3.67	0.49	6.3	9.2	1.51	.288	5.32	100	4.43	104	9.94	-26.7
20	Benny Frey B. Frey	0.68	256	57	82	.410	127	4.50	179	49	7	7	1160.0	1,415	580	668	54	263	12	88	5,046	18	1.39	2.04	0.42	3.5	5.2	1.45	.300	5.18	113	4.17	102	10.98	-15
21	Monte Weaver M. Weaver	0.68	201	71	50	.587	135	4.36	297	57	2	4	1052.0	1,137	510	591	62	435	5	38	4,632	17	2.54	3.72	0.53	6.4	9.4	1.49	.280	5.06	99	4.48	104	9.73	-25.3
22	Sam Zoldak S. Zoldak	0.69	250	43	53	.448	93	3.54	207	30	5	8	929.1	956	366	423	54	301	3	78	3,946	8	2.00	2.91	0.52	5.2	7.6	1.35	.267	4.10	91	3.80	97	9.26	11.2
23	Win Mercer W. Mercer	0.70	335	132	164	.446	300	3.98	532	253	11	10	2484.2	3,081	1,098	1,753	64	755	144	34	11,106	43	1.93	2.73	0.23	4.8	6.8	1.54	.314	6.35	96	4.18	99	11.16	13.6
24	Bill James B. James	0.71	203	64	71	.474	146	3.21	408	68	9	4	1178.2	1,110	420	559	16	578	48	28	4,951	31	3.12	4.41	0.12	8.2	11.7	1.43	.280	4.27	112	3.47	120	8.48	-76.3
25	Jim Bagby J. Bagby	0.71	303	97	96	.503	198	3.96	431	83	13	9	1666.1	1,815	733	849	98	608	28	65	7,266	26	2.33	3.28	0.53	5.9	8.4	1.45	.281	4.59	103	3.99	106	9.80	-42.4