lowest single season whip amongst pitchers with at least 15 inning pitched in 1960s

Between the 1960 and 1969 seasons, Masanori Murakami had the lowest WHIP with 15.0+ innings pitched in a season, with a WHIP of 0.60 in his rookie season in 1964.

	NAME	WHIP	IP	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Masanori Murakami M. Murakami	0.60	15.0	1964	SFG	9	1	0	1.000	0	1.80	15	0	0	1	8	3	3	1	1	0	5	0	53	0	9.00	0.60	15.00	0.60	28.3	1.9	.194	1.80	51	1.67	49	4.80	2.9
2	John Purdin J. Purdin	0.75	16.0	1964	LAD	3	2	0	1.000	2	0.56	8	1	1	0	6	1	1	1	6	0	0	0	58	0	4.50	3.38	1.33	0.56	13.8	10.3	.116	0.56	17	3.54	114	3.38	-0.9
3	Bruce Dal Canton B. Dal Canton	0.76	17.0	1968	PIT	7	1	1	.500	0	2.12	8	0	0	2	7	4	4	0	6	2	5	2	66	0	4.24	3.18	1.33	0.00	12.1	9.1	.140	2.12	72	2.86	102	3.71	-0.1
4	Cisco Carlos C. Carlos	0.77	41.2	1967	CWS	8	2	0	1.000	7	0.86	27	1	1	0	23	4	5	0	9	1	1	0	158	1	5.83	1.94	3.00	0.00	17.1	5.7	.190	1.08	28	1.96	60	4.97	6.1
5	Alan Foster A. Foster	0.78	16.2	1967	LAD	4	0	1	.000	2	2.16	15	0	0	0	10	4	4	0	3	0	0	0	62	0	8.10	1.62	5.00	0.00	24.2	4.8	.227	2.16	70	1.28	43	5.40	3.4
6	Bruce Howard B. Howard	0.81	22.1	1964	CWS	3	2	1	.667	3	0.81	17	1	1	0	10	2	2	0	8	1	0	1	82	0	6.85	3.22	2.13	0.00	20.7	9.8	.179	0.81	23	2.29	64	4.03	3.3
7	Bobby Tiefenauer B. Tiefenauer	0.81	29.2	1963	MIL	12	1	1	.500	0	1.21	22	0	0	2	20	4	4	1	4	0	11	0	110	1	6.67	1.21	5.50	0.30	20.0	3.6	.229	1.21	38	1.84	57	6.07	4.6
8	Hoyt Wilhelm H. Wilhelm	0.82	81.1	1966	CWS	46	5	2	.714	0	1.66	61	0	0	6	50	15	21	6	17	1	30	2	308	3	6.75	1.88	3.59	0.66	19.8	5.5	.197	2.32	51	2.68	80	5.53	6.1
9	Bill Henry B. Henry	0.83	52.0	1964	CIN	37	2	2	.500	0	0.87	28	0	0	6	31	5	9	2	12	3	20	4	202	1	4.85	2.08	2.33	0.35	13.9	5.9	.185	1.56	24	2.89	82	5.37	3.6
10	Alan Foster A. Foster	0.83	15.2	1968	LAD	3	1	1	.500	3	1.72	10	0	0	0	11	3	4	1	2	0	0	0	57	0	5.74	1.15	5.00	0.57	17.5	3.5	.227	2.30	63	2.32	89	6.32	0.5
11	Hoyt Wilhelm H. Wilhelm	0.83	144.0	1965	CWS	66	7	7	.500	0	1.81	106	0	0	21	88	29	34	11	32	2	45	7	545	10	6.63	2.00	3.31	0.69	19.4	5.9	.195	2.13	56	2.75	82	5.50	10
12	Ray Washburn R. Washburn	0.84	20.1	1961	STL	3	1	1	.500	2	1.77	12	1	0	0	10	4	4	1	7	1	1	0	75	1	5.31	3.10	1.71	0.44	16.0	9.3	.167	1.77	41	3.21	76	4.43	2.2
13	Dave McNally D. McNally	0.84	273.0	1968	BAL	35	22	10	.688	35	1.95	202	18	5	0	175	59	67	24	55	10	0	1	1,038	5	6.66	1.81	3.67	0.79	19.5	5.3	.202	2.21	67	2.76	90	5.77	9.5
14	Dick Hall D. Hall	0.84	87.2	1964	BAL	45	9	1	.900	0	1.85	52	0	0	9	58	18	19	8	16	0	28	5	328	0	5.34	1.64	3.25	0.82	15.9	4.9	.198	1.95	53	3.15	86	5.95	4.9
15	Bob Gibson B. Gibson	0.85	304.2	1968	STL	34	22	9	.710	34	1.12	268	28	13	0	198	38	49	11	62	7	0	6	1,161	4	7.92	1.83	4.32	0.32	23.1	5.3	.230	1.45	38	1.77	63	5.85	34.8
16	Sandy Koufax S. Koufax	0.86	335.2	1965	LAD	43	26	8	.765	41	2.04	382	27	8	2	216	76	90	26	71	5	2	4	1,297	11	10.24	1.90	5.38	0.70	29.5	5.5	.234	2.41	63	1.93	61	5.79	47.9
17	Juan Marichal J. Marichal	0.86	307.1	1966	SFG	37	25	6	.806	36	2.23	222	25	4	0	228	76	88	32	36	5	1	3	1,180	3	6.50	1.05	6.17	0.94	18.8	3.1	.221	2.58	62	2.86	82	6.68	21.3
18	Luis Tiant L. Tiant	0.87	258.1	1968	CLE	34	21	9	.700	32	1.60	264	19	9	0	152	46	53	16	73	4	0	4	987	3	9.20	2.54	3.62	0.56	26.7	7.4	.216	1.85	53	2.04	64	5.30	33
19	Lew Burdette L. Burdette	0.87	18.1	1967	CAL	19	1	0	1.000	0	4.91	8	0	0	1	16	10	10	4	0	1	8	0	71	0	3.93	0.00		1.96	11.3	0.0	.207	4.91	158	4.67	145	7.85	-3.1
20	Sandy Koufax S. Koufax	0.87	311.0	1963	LAD	40	25	5	.833	40	1.88	306	20	11	0	214	65	68	18	58	3	0	7	1,210	6	8.86	1.68	5.28	0.52	25.3	4.8	.238	1.97	62	1.85	62	6.19	41.9
21	Bobby Locke B. Locke	0.88	19.1	1967	CAL	9	3	0	1.000	1	2.33	7	0	0	2	14	5	6	1	3	1	6	0	74	0	3.26	1.40	2.33	0.47	9.5	4.1	.210	2.79	75	3.11	97	6.52	0.2
22	Ed Bauta E. Bauta	0.88	19.1	1961	STL	13	2	0	1.000	0	1.40	12	0	0	5	12	3	5	2	5	0	9	1	76	0	5.59	2.33	2.40	0.93	15.8	6.6	.175	2.33	32	3.45	82	5.59	1.6
23	Dick Hall D. Hall	0.88	65.2	1969	BAL	39	5	2	.714	0	1.92	31	0	0	6	49	14	14	3	9	1	17	6	246	0	4.25	1.23	3.44	0.41	12.6	3.7	.228	1.92	54	2.61	71	6.72	8
24	Clay Carroll C. Carroll	0.89	20.1	1964	MIL	11	2	0	1.000	1	1.77	17	0	0	1	15	4	4	1	3	0	2	1	79	0	7.52	1.33	5.67	0.44	21.5	3.8	.241	1.77	51	2.01	61	6.64	3
25	Vicente Romo V. Romo	0.90	84.1	1968	TOT	41	5	3	.625	1	1.60	54	0	0	12	44	15	16	5	32	2	30	6	326	4	5.76	3.42	1.69	0.53	16.6	9.8	.167	1.71	53	3.08	97	4.70	1.1