Since 1954, Chris Martin has the most innings pitched per walk allowed when pitching at least 100 innings, with 7.34.

Interpreted as:

highest ip/bb by a player since 1954 min 100 ip

	NAME	IP/BB	IP	BB	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	H	ER	R	HR	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Chris Martin C. Martin	7.34	389.0	53	418	18	24	.429	0	3.33	400	0	0	16	390	144	158	42	13	85	13	1,586	20	9.25	1.23	7.55	0.97	25.2	3.3	1.14	.323	3.66	77	3.02	71	9.02	53.5
2	Dan Otero D. Otero	7.21	403.2	56	358	22	8	.733	0	3.39	262	0	0	3	433	152	167	37	10	89	19	1,658	6	5.84	1.25	4.68	0.82	15.8	3.4	1.21	.306	3.72	82	3.52	86	9.65	25.7
3	Josh Tomlin J. Tomlin	6.97	1067.0	153	286	69	56	.552	150	4.77	736	5	1	2	1,160	566	602	197	25	55	16	4,453	28	6.21	1.29	4.81	1.66	16.5	3.4	1.23	.288	5.08	114	4.64	112	9.78	-57
4	George Kirby G. Kirby	6.86	637.2	93	112	44	34	.564	112	3.58	621	1	0	0	616	254	270	72	25	0	1	2,601	13	8.76	1.31	6.68	1.02	23.9	3.6	1.11	.304	3.81	93	3.25	82	8.69	52.6
5	Dan Quisenberry D. Quisenberry	6.44	1043.1	162	674	56	46	.549	0	2.76	379	0	0	244	1,064	320	356	59	7	553	70	4,247	4	3.27	1.40	2.34	0.51	8.9	3.8	1.18	.276	3.07	69	3.23	82	9.18	81.6
6	Janson Junk J. Junk	6.25	150.0	24	36	7	7	.500	23	4.86	111	0	0	1	172	81	89	18	4	7	0	636	3	6.66	1.44	4.63	1.08	17.5	3.8	1.31	.322	5.34	104	3.65	87	10.32	8.6
7	Blake Beavan B. Beavan	6.23	293.0	47	54	16	20	.444	44	4.61	137	0	0	0	326	150	151	46	14	4	0	1,233	7	4.21	1.44	2.91	1.41	11.1	3.8	1.27	.283	4.64	120	4.79	121	10.01	-28.3
8	Edward Mujica E. Mujica	6.21	553.0	89	499	24	28	.462	4	3.92	430	0	0	50	562	241	257	80	7	180	20	2,254	9	7.00	1.45	4.83	1.30	19.1	3.9	1.18	.292	4.18	99	3.93	100	9.15	-1.3
9	Bob Tewksbury B. Tewksbury	6.19	1807.0	292	302	110	102	.519	277	3.92	812	31	7	1	2,043	787	884	142	41	8	22	7,623	24	4.04	1.45	2.78	0.71	10.7	3.8	1.29	.300	4.40	95	3.64	89	10.18	89.8
10	Koji Uehara K. Uehara	6.16	480.2	78	436	22	26	.458	12	2.66	572	0	0	95	350	142	153	60	4	207	9	1,862	9	10.71	1.46	7.33	1.12	30.7	4.2	0.89	.253	2.86	62	2.84	68	6.55	69.2
11	Richard Bleier R. Bleier	6.12	330.1	54	335	15	6	.714	2	3.27	187	0	0	5	348	120	138	24	18	61	14	1,371	16	5.09	1.47	3.46	0.65	13.6	3.9	1.22	.298	3.76	75	3.63	83	9.48	27.2
12	Kevin Slowey K. Slowey	5.96	662.0	111	137	43	36	.544	106	4.62	495	3	2	0	765	340	354	99	22	7	3	2,828	11	6.73	1.51	4.46	1.35	17.5	3.9	1.32	.317	4.81	112	4.15	102	10.40	-6.5
13	Josh Towers J. Towers	5.95	731.1	123	139	45	55	.450	112	4.95	389	4	2	1	887	402	441	122	35	14	13	3,158	6	4.79	1.51	3.16	1.50	12.3	3.9	1.38	.307	5.43	110	4.82	107	10.92	-26
14	Shota Imanaga S. Imanaga	5.89	318.0	54	54	24	11	.686	54	3.28	291	0	0	0	266	116	128	58	4	0	0	1,261	4	8.24	1.53	5.39	1.64	23.1	4.3	1.01	.244	3.62	81	4.23	105	7.53	-8.3
15	Evan Scribner E. Scribner	5.83	169.0	29	145	5	4	.556	0	4.15	155	0	0	1	161	78	81	27	4	54	1	694	5	8.25	1.54	5.34	1.44	22.3	4.2	1.12	.280	4.31	108	3.93	100	8.57	0.5
16	Robin Roberts R. Roberts	5.82	3019.1	519	446	172	172	.500	402	3.64	1,559	179	23	14	3,023	1,220	1,348	379	33	31	69	12,413	19	4.65	1.55	3.00	1.13	12.6	4.2	1.17	.266	4.02	96	3.63	96	9.01	54
17	Roberto Osuna R. Osuna	5.73	315.0	55	314	14	18	.438	0	2.74	348	0	0	155	230	96	101	28	13	247	6	1,227	17	9.94	1.57	6.33	0.80	28.4	4.5	0.90	.258	2.89	64	2.75	64	6.57	54.1
18	Spencer Schwellenbach S. Schwellenbach	5.72	234.1	41	38	15	11	.577	38	3.23	235	1	0	0	195	84	93	27	8	0	2	934	5	9.03	1.57	5.73	1.04	25.2	4.4	1.01	.270	3.57	77	3.26	81	7.49	19.6
19	Brad Radke B. Radke	5.51	2451.0	445	378	148	139	.516	377	4.22	1,467	37	10	0	2,643	1,150	1,233	326	62	0	12	10,244	28	5.39	1.63	3.30	1.20	14.3	4.3	1.26	.292	4.53	90	4.24	94	9.71	75.2
20	Tyler Rogers T. Rogers	5.51	424.0	77	420	26	23	.531	0	2.76	306	0	0	19	389	130	146	28	26	70	4	1,736	3	6.50	1.63	3.97	0.59	17.6	4.4	1.10	.278	3.10	68	3.31	82	8.26	34.6
21	Don Newcombe D. Newcombe	5.46	1371.0	251	226	93	62	.600	192	3.66	686	79	12	3	1,386	557	632	194	19	23	21	5,660	10	4.50	1.65	2.73	1.27	12.1	4.4	1.19	.264	4.15	90	3.87	95	9.10	30.1
22	Bret Saberhagen B. Saberhagen	5.44	2562.2	471	399	167	117	.588	371	3.34	1,715	76	16	1	2,452	952	1,036	218	59	13	34	10,421	53	6.02	1.65	3.64	0.77	16.5	4.5	1.14	.281	3.64	80	3.26	80	8.61	225.4
23	Rick Reed R. Reed	5.42	1545.2	285	273	93	76	.550	245	4.03	970	14	7	1	1,601	692	748	213	44	6	28	6,407	11	5.65	1.66	3.40	1.24	15.1	4.4	1.22	.284	4.36	95	4.21	99	9.32	2.8
24	Michael McGreevy M. McGreevy	5.39	118.2	22	21	11	4	.733	19	3.94	76	0	0	0	116	52	55	13	4	2	0	486	0	5.76	1.67	3.45	0.99	15.6	4.5	1.16	.278	4.17	96	3.93	97	8.80	1.2
25	Kevin Kelly K. Kelly	5.37	177.1	33	166	12	9	.571	0	3.55	154	0	0	2	157	70	81	20	15	30	3	725	3	7.82	1.67	4.67	1.02	21.2	4.6	1.07	.272	4.11	90	3.73	92	7.97	6.4