Syl Johnson had the highest K/BB before the All-Star Game in 1934, with 6.00 K/BB.

Interpreted as:

best k/bb by a player before all star break in 1934

	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	H/9
1	Syl Johnson S. Johnson	6.00	20	1	1	.500	0	4.14	12	0	0	3	37.0	45	17	22	9	2	0	12	153	1	2.92	0.49	2.19	7.8	1.3	1.27	.277	5.35	10.95
2	Tony Freitas T. Freitas	3.80	9	3	4	.429	7	3.49	19	3	0	0	69.2	85	27	30	4	5	1	0	290	1	2.45	0.65	0.52	6.6	1.7	1.29	.310	3.88	10.98
3	Paul Dean P. Dean	2.96	20	10	4	.714	12	4.76	80	8	1	1	111.2	131	59	63	13	27	3	2	492	0	6.45	2.18	1.05	16.3	5.5	1.41	.320	5.08	10.56
4	Carl Hubbell C. Hubbell	2.90	23	12	5	.706	18	2.76	58	13	3	4	156.1	154	48	53	8	20	2	4	641	1	3.34	1.15	0.46	9.0	3.1	1.11	.264	3.05	8.87
5	Waite Hoyt W. Hoyt	2.85	23	4	2	.667	1	2.80	37	0	0	3	61.0	57	19	25	1	13	0	13	247	1	5.46	1.92	0.15	15.0	5.3	1.15	.286	3.69	8.41
6	Dizzy Dean D. Dean	2.65	24	14	3	.824	17	3.53	90	10	1	3	155.2	160	61	75	6	34	6	5	663	2	5.20	1.97	0.35	13.6	5.1	1.25	.292	4.34	9.25
7	Van Mungo V. Mungo	2.16	24	12	9	.571	20	3.42	110	14	1	1	171.0	159	65	75	7	51	3	4	728	3	5.79	2.68	0.37	15.1	7.0	1.23	.273	3.95	8.37
8	Tex Carleton T. Carleton	2.13	19	8	6	.571	15	4.45	51	9	0	0	121.1	135	60	65	2	24	4	2	523	5	3.78	1.78	0.15	9.8	4.6	1.31	.301	4.82	10.01
9	Paul Derringer P. Derringer	2.07	22	5	11	.313	14	3.61	56	7	0	1	117.1	130	47	58	4	27	2	8	505	4	4.30	2.07	0.31	11.1	5.3	1.34	.303	4.45	9.97
10	Schoolboy Rowe S. Rowe	2.07	20	9	4	.692	12	4.06	60	8	0	0	108.2	111	49	51	9	29	0	7	458	0	4.97	2.40	0.75	13.1	6.3	1.29	.283	4.22	9.19
11	Pat Malone P. Malone	2.03	22	7	5	.583	11	3.28	71	4	0	0	115.1	125	42	51	8	35	2	6	496	3	5.54	2.73	0.62	14.3	7.1	1.39	.308	3.98	9.75
12	Bill Lohrman B. Lohrman	2.00	4	0	1	.000	0	4.50	2	0	0	1	6.0	5	3	5	0	1	0	2	24	1	3.00	1.50	0.00	8.3	4.2	1.00	.238	7.50	7.50
13	Belve Bean B. Bean	2.00	10	1	1	.500	1	5.33	12	0	0	0	25.1	25	15	18	3	6	2	6	111	2	4.26	2.13	1.07	10.8	5.4	1.22	.250	6.39	8.88
14	Rube Walberg R. Walberg	1.82	13	3	1	.750	3	4.14	20	1	0	0	41.1	51	19	26	4	11	0	5	185	1	4.35	2.40	0.87	10.8	5.9	1.50	.313	5.66	11.10
15	Lon Warneke L. Warneke	1.80	21	12	5	.706	17	2.98	74	13	2	0	151.0	131	50	56	10	41	0	3	614	3	4.41	2.44	0.60	12.1	6.7	1.14	.247	3.34	7.81
16	Jim Lindsey J. Lindsey	1.80	15	0	1	.000	0	6.00	9	0	0	1	18.0	25	12	16	2	5	1	4	88	0	4.50	2.50	1.00	10.2	5.7	1.67	.324	8.00	12.50
17	Ray Kolp R. Kolp	1.80	15	0	2	.000	2	3.60	9	0	0	2	35.0	43	14	16	0	5	0	7	150	0	2.31	1.29	0.00	6.0	3.3	1.37	.316	4.11	11.06
18	Tommy Bridges T. Bridges	1.79	17	10	5	.667	16	3.96	77	11	1	1	131.2	128	58	61	6	43	2	1	554	0	5.26	2.94	0.41	13.9	7.8	1.30	.286	4.17	8.75
19	Elden Auker E. Auker	1.78	23	6	3	.667	5	2.83	41	1	0	1	86.0	89	27	40	4	23	2	11	364	1	4.29	2.41	0.42	11.3	6.3	1.30	.289	4.19	9.31
20	Johnny Allen J. Allen	1.73	4	2	0	1.000	4	2.43	26	2	0	0	29.2	23	8	11	1	15	0	0	126	3	7.89	4.55	0.30	20.6	11.9	1.28	.262	3.34	6.98
21	Johnny Broaca J. Broaca	1.69	7	4	1	.800	7	2.67	27	5	1	0	54.0	46	16	18	4	16	1	0	223	0	4.50	2.67	0.67	12.1	7.2	1.15	.240	3.00	7.67
22	Clint Brown C. Brown	1.67	6	2	1	.667	0	6.23	5	0	0	0	13.0	19	9	12	1	3	0	1	63	0	3.46	2.08	0.69	7.9	4.8	1.69	.333	8.31	13.15
23	Huck Betts H. Betts	1.61	21	6	7	.462	13	5.80	29	3	1	3	99.1	140	64	67	11	18	2	7	453	0	2.63	1.63	1.00	6.4	4.0	1.59	.328	6.07	12.68
24	Steve Larkin S. Larkin	1.60	2	0	0		1	1.50	8	0	0	0	6.0	8	1	7	0	5	0	1	32	0	12.00	7.50	0.00	25.0	15.6	2.17	.421	10.50	12.00
25	Freddie Fitzsimmons F. Fitzsimmons	1.55	18	10	5	.667	18	3.41	31	7	2	0	116.0	125	44	54	4	20	0	0	490	4	2.41	1.55	0.31	6.3	4.1	1.25	.278	4.19	9.70