Ted Lyons had the lowest WHIP in 1939, with a WHIP of 1.09.

Interpreted as:

pitchers with lowest whip with a minimum of 1 IP per team game in 1939

	NAME	WHIP	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Ted Lyons T. Lyons	1.09	1939	CWS	21	14	6	.700	21	2.76	65	16	0	0	172.2	162	53	71	7	26	1	0	702	0	3.39	1.36	2.50	0.36	9.3	3.7	.257	3.70	60	3.22	73	8.44	23
2	Bucky Walters B. Walters	1.13	1939	CIN	39	27	11	.711	36	2.29	137	31	2	0	319.0	250	81	98	15	109	6	2	1,283	8	3.87	3.08	1.26	0.42	10.7	8.5	.231	2.76	60	3.81	96	7.05	4.8
3	Carl Hubbell C. Hubbell	1.13	1939	NYG	29	11	9	.550	18	2.75	62	10	0	2	154.0	150	47	60	11	24	2	8	639	2	3.62	1.40	2.58	0.64	9.7	3.8	.257	3.51	69	3.60	87	8.77	8.9
4	Luke Hamlin L. Hamlin	1.15	1939	BKN	40	20	13	.606	36	3.64	88	19	2	0	269.2	255	109	115	27	54	0	2	1,100	2	2.94	1.80	1.63	0.90	8.0	4.9	.245	3.84	90	4.22	101	8.51	-0.1
5	Paul Derringer P. Derringer	1.18	1939	CIN	38	25	7	.781	35	2.93	128	28	5	0	301.0	321	98	115	15	35	3	1	1,245	2	3.83	1.05	3.66	0.45	10.3	2.8	.288	3.44	77	3.15	80	9.60	27.2
6	Bob Bowman B. Bowman	1.19	1939	SLN	51	13	5	.722	15	2.60	78	4	2	8	169.1	141	49	54	8	60	1	19	692	3	4.15	3.19	1.30	0.43	11.3	8.7	.244	2.87	63	3.75	87	7.49	10.2
7	Red Ruffing R. Ruffing	1.23	1939	NYY	28	21	7	.750	28	2.93	95	22	5	0	233.1	211	76	88	15	75	2	0	968	3	3.66	2.89	1.27	0.58	9.8	7.7	.251	3.39	66	3.98	93	8.14	7.2
8	Dutch Leonard D. Leonard	1.23	1939	WSH	34	20	8	.714	34	3.54	88	21	2	0	269.1	273	106	124	16	59	5	0	1,133	6	2.94	1.97	1.49	0.53	7.8	5.2	.266	4.14	81	3.80	90	9.12	12.5
9	Hugh Casey H. Casey	1.24	1939	BKN	40	15	10	.600	25	2.93	79	15	0	1	227.1	228	74	88	13	54	11	11	962	4	3.13	2.14	1.46	0.51	8.2	5.6	.267	3.48	73	3.88	92	9.03	8.4
10	Bob Feller B. Feller	1.24	1939	CLE	39	24	9	.727	35	2.85	246	24	4	1	296.2	227	94	105	13	142	3	3	1,243	14	7.46	4.31	1.73	0.39	19.8	11.4	.255	3.19	64	3.35	78	6.89	32.4
11	Lefty Grove L. Grove	1.25	1939	BSA	23	15	4	.789	23	2.54	81	17	2	0	191.0	180	54	63	8	58	1	0	798	0	3.82	2.73	1.40	0.38	10.2	7.3	.265	2.97	53	3.60	78	8.48	20.9
12	Claude Passeau C. Passeau	1.25	1939	TOT	42	15	13	.536	35	3.28	137	17	2	3	274.1	269	100	112	9	73	5	6	1,150	0	4.49	2.39	1.88	0.30	11.9	6.3	.281	3.67	84	3.25	80	8.83	25.2
13	Tommy Bridges T. Bridges	1.25	1939	DET	29	17	7	.708	26	3.50	129	16	2	2	198.0	186	77	87	11	61	6	2	840	4	5.86	2.77	2.11	0.50	15.4	7.3	.276	3.95	71	3.41	72	8.45	28.1
14	Lon Warneke L. Warneke	1.29	1939	SLN	34	13	7	.650	21	3.78	59	6	2	2	162.0	160	68	73	14	49	2	7	675	2	3.28	2.72	1.20	0.78	8.7	7.3	.265	4.06	92	4.31	101	8.89	0
15	Lefty Gomez L. Gomez	1.30	1939	NYY	26	12	8	.600	26	3.41	102	14	2	0	198.0	173	75	80	11	84	3	0	831	3	4.64	3.82	1.21	0.50	12.3	10.1	.257	3.64	77	3.98	93	7.86	6.2
16	Larry French L. French	1.31	1939	CHC	36	15	8	.652	21	3.29	98	10	2	1	194.0	205	71	80	7	50	1	11	828	5	4.55	2.32	1.96	0.32	11.8	6.0	.295	3.71	84	3.22	79	9.51	18.5
17	Curt Davis C. Davis	1.32	1939	SLN	49	22	16	.579	31	3.63	70	13	3	7	248.0	279	100	121	18	48	3	14	1,059	2	2.54	1.74	1.46	0.65	6.6	4.5	.284	4.39	88	3.97	93	10.13	9.1
18	Bill Lohrman B. Lohrman	1.32	1939	NYG	38	12	13	.480	24	4.07	70	9	1	1	185.2	200	84	91	15	45	3	7	769	5	3.39	2.18	1.56	0.73	9.1	5.9	.291	4.41	103	4.04	98	9.69	1.7
19	Mel Harder M. Harder	1.33	1939	CLE	29	15	9	.625	26	3.50	67	12	1	1	208.0	213	81	89	15	64	3	3	877	1	2.90	2.77	1.05	0.65	7.6	7.3	.272	3.85	78	4.23	98	9.22	1.7
20	Charlie Root C. Root	1.33	1939	CHC	35	8	8	.500	16	4.03	65	8	0	4	167.1	189	75	83	11	34	2	12	709	0	3.50	1.83	1.91	0.59	9.2	4.8	.298	4.46	103	3.70	91	10.17	7.1
21	Atley Donald A. Donald	1.33	1939	NYY	24	13	3	.813	20	3.71	55	11	2	1	153.0	144	63	74	12	60	0	2	657	1	3.24	3.53	0.92	0.71	8.4	9.1	.249	4.35	84	4.45	104	8.47	-3.5
22	Johnny Rigney J. Rigney	1.34	1939	CWS	35	15	8	.652	29	3.70	119	11	2	0	218.2	208	90	103	10	84	2	4	946	3	4.90	3.46	1.42	0.41	12.6	8.9	.271	4.24	81	3.66	83	8.56	18.3
23	Cliff Melton C. Melton	1.35	1939	NYG	41	12	15	.444	23	3.56	95	9	2	5	207.1	214	82	94	7	65	4	13	886	2	4.12	2.82	1.46	0.30	10.7	7.3	.290	4.08	90	3.49	85	9.29	14.4
24	Bill Lee B. Lee	1.35	1939	CHC	37	19	15	.559	36	3.44	105	20	1	0	282.1	295	108	125	18	85	1	1	1,202	4	3.35	2.71	1.24	0.57	8.7	7.1	.279	3.98	88	3.97	97	9.40	3.4
25	Milt Shoffner M. Shoffner	1.35	1939	TOT	35	6	8	.429	14	3.18	57	7	0	1	170.0	176	60	74	7	53	3	12	729	1	3.02	2.81	1.08	0.37	7.8	7.3	.278	3.92	86	3.83	100	9.32	-0.6