Tommy Byrne had the most games pitched with 10+ walks allowed, with 7 games.

Interpreted as:

pitcher 10 or more walked allowed most regular-season game

	NAME	G	BB	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Tommy Byrne T. Byrne	7	84	1	4	.200	7	3.75	29	3	0	0	62.1	47	26	29	1	3	0		307	1	4.19	12.13	0.35	0.14	9.4	27.4	2.10	.242	4.19	6.79
2	Bob Feller B. Feller	6	62	1	4	.200	6	6.05	53	3	0	0	55.0	47	37	39	7	2	0		265	0	8.67	10.15	0.85	1.15	20.0	23.4	1.98	.284	6.38	7.69
3	Bobo Newsom B. Newsom	6	64	3	3	.500	6	4.88	25	6	0	0	51.2	48	28	30	0	1	0		258	1	4.35	11.15	0.39	0.00	9.7	24.8	2.17	.286	5.23	8.36
4	Steve Barber S. Barber	4	41	1	2	.333	4	2.55	23	2	0	0	35.1	18	10	14	0	4	0	4	165	3	5.86	10.44	0.56	0.00	13.9	24.8	1.67	.186	3.57	4.58
5	Bob Turley B. Turley	4	44	1	2	.333	4	2.94	23	2	0	0	33.2	20	11	11	0	0	0	0	162	2	6.15	11.76	0.52	0.00	14.2	27.2	1.90	.211	2.94	5.35
6	Dick Weik D. Weik	4	43	0	4	.000	4	5.70	17	0	0	0	23.2	19	15	16	1	0	0		131	1	6.46	16.35	0.40	0.38	13.0	32.8	2.62	.257	6.08	7.23
7	Bill James B. James	4	40	1	1	.500	4	2.81	12	2	0	0	32.0	22	10	12	1	2	0		150	0	3.38	11.25	0.30	0.28	8.0	26.7	1.94	.221	3.38	6.19
8	J.R. Richard	3	31	3	0	1.000	3	3.68	16	1	1	0	22.0	13	9	9	0	0	0	0	104	4	6.55	12.68	0.52	0.00	15.4	29.8	2.00	.228	3.68	5.32
9	Sam McDowell S. McDowell	3	31	1	1	.500	3	2.86	28	0	0	0	22.0	10	7	9	0	1	0	5	111	2	11.45	12.68	0.90	0.00	25.2	27.9	1.86	.196	3.68	4.09
10	Ken Chase K. Chase	3	31	1	1	.500	2	4.35	15	1	0	0	20.2	16	10	13	0	1	1		107	5	6.53	13.50	0.48	0.00	14.0	29.0	2.27	.267	5.66	6.97
11	Vern Kennedy V. Kennedy	3	30	1	1	.500	3	4.56	11	2	0	0	25.2	30	13	13	1	1	0		129	0	3.86	10.52	0.37	0.35	8.5	23.3	2.34	.337	4.56	10.52
12	Lefty Tyler L. Tyler	3	32	2	1	.667	3	0.36	18	2	0	0	25.1	18		9	0	0	0		122	0	6.39	11.37	0.56	0.00	14.8	26.2	1.97	.250	3.20	6.39
13	Randy Johnson R. Johnson	2	20	0	2	.000	2	12.96	7	0	0	0	8.1	4	12	12	0	0	0	0	49	1	7.56	21.60	0.35	0.00	14.3	40.8	2.88	.182	12.96	4.32
14	Bobby Witt B. Witt	2	20	1	1	.500	2	6.17	12	0	0	0	11.2	9	8	8	0	0	0	0	64	0	9.26	15.43	0.60	0.00	18.8	31.3	2.49	.281	6.17	6.94
15	Nolan Ryan N. Ryan	2	20	1	0	1.000	2	2.14	24	0	0	0	21.0	12	5	5	1	0	0	0	93	0	10.29	8.57	1.20	0.43	25.8	21.5	1.52	.229	2.14	5.14
16	Herb Score H. Score	2	22	1	1	.500	2	1.35	16	2	0	0	20.0	9	3	4	0	1	0	2	90	1	7.20	9.90	0.73	0.00	17.8	24.4	1.55	.176	1.80	4.05
17	Chuck Stobbs C. Stobbs	2	20	2	0	1.000	2	1.50	7	1	0	0	18.0	10	3	3	0	0	0		83	0	3.50	10.00	0.35	0.00	8.4	24.1	1.67	.179	1.50	5.00
18	Sid Hudson S. Hudson	2	23	0	1	.000	2	1.96	5	1	0	0	18.1	13	4	4	0	0	0		89	0	2.45	11.29	0.22	0.00	5.6	25.8	1.96	.213	1.96	6.38
19	Mickey McDermott M. McDermott	2	21	0	0		1	8.10	9	0	0	0	10.0	7	9	11	1	0	1		54	1	8.10	18.90	0.43	0.90	16.7	38.9	2.80	.261	9.90	6.30
20	Phil Marchildon P. Marchildon	2	20	1	0	1.000	2	3.09	1	1	0	0	11.2	4	4	6	0	0	0		56	3	0.77	15.43	0.05	0.00	1.8	35.7	2.06	.114	4.63	3.09
21	Joe Krakauskas J. Krakauskas	2	20	0	1	.000	1	2.55	10	1	0	0	17.2	15	5	11	1	0	1		86	0	5.09	10.19	0.50	0.51	11.6	23.3	1.98	.255	5.60	7.64
22	Johnny Vander Meer J. Vander Meer	2	23	1	1	.500	2	4.70	6	0	0	0	15.1	9	8	8	0	0	0		76	0	3.52	13.50	0.26	0.00	7.9	30.3	2.09	.191	4.70	5.28
23	Jake Wade J. Wade	2	20	2	0	1.000	2	3.00	7	1	0	0	18.0	16	6	6	1	0	0		83	0	3.50	10.00	0.35	0.50	8.4	24.1	2.00	.273	3.00	8.00
24	Bill Zuber B. Zuber	2	21	1	0	1.000	2	8.00	2	0	0	0	9.0	5	8	8	0	0	0		50	0	2.00	21.00	0.10	0.00	4.0	42.0	2.89	.185	8.00	5.00
25	John Whitehead J. Whitehead	2	21	1	1	.500	2	4.76	8	2	0	0	17.0	11	9	11	0	0	0		83	0	4.24	11.12	0.38	0.00	9.6	25.3	1.88	.204	5.82	5.82