who had the highest k/9 between 1960 to 1970, min 200 gs

Between the 1960 and 1970 seasons, Sandy Koufax had the best K/9 when starting 200+ games, with 9.51 per nine innings.

	NAME	K/9	GS	G	W	L	W%	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Sandy Koufax S. Koufax	9.51	237	260	137	60	.695	2.36	1,910	122	37	6	1807.2	1,304	474	542	136	512	14	14	36	7,216	57	2.55	3.73	0.68	26.5	7.1	1.00	.252	2.70	67	2.28	67	6.49	226.4
2	Sam McDowell S. McDowell	9.34	264	301	109	92	.542	2.95	1,967	89	20	10	1895.0	1,443	621	716	116	919	50	21	48	7,946	101	4.36	2.14	0.55	24.8	11.6	1.25	.271	3.40	84	2.79	76	6.85	180.3
3	Bob Veale B. Veale	7.97	255	299	110	91	.547	2.95	1,606	78	20	4	1813.1	1,561	594	686	82	808	29	16	55	7,664	86	4.01	1.99	0.41	21.0	10.5	1.31	.288	3.40	84	2.73	82	7.75	124.9
4	Jim Maloney J. Maloney	7.88	258	289	134	81	.623	3.16	1,592	74	30	4	1818.2	1,483	638	711	135	786	35	13	37	7,598	121	3.89	2.03	0.67	21.0	10.3	1.25	.267	3.52	86	3.09	87	7.34	91.3
5	Mickey Lolich M. Lolich	7.83	258	307	116	93	.555	3.51	1,566	75	24	9	1801.0	1,590	702	765	172	627	65	25	30	7,556	67	3.13	2.50	0.86	20.7	8.3	1.23	.277	3.82	100	3.19	87	7.95	97.3
6	Bob Gibson B. Gibson	7.70	336	370	187	112	.625	2.78	2,345	187	44	4	2741.0	2,246	848	958	179	910	79	14	68	11,260	70	2.99	2.58	0.59	20.8	8.1	1.15	.267	3.15	74	2.76	76	7.37	254.6
7	Ray Culp R. Culp	7.05	208	261	101	71	.587	3.48	1,176	64	18	1	1500.2	1,291	581	663	150	600	58	21	51	6,351	61	3.60	1.96	0.90	18.5	9.4	1.26	.261	3.98	98	3.57	101	7.74	2.5
8	Jim Bunning J. Bunning	6.94	393	412	160	133	.546	3.10	2,166	112	35	11	2809.1	2,571	967	1,095	249	677	119	15	76	11,607	32	2.17	3.20	0.80	18.7	5.8	1.16	.277	3.51	85	3.01	84	8.24	188.5
9	Camilo Pascual C. Pascual	6.70	273	298	127	92	.580	3.33	1,399	93	26	2	1878.2	1,672	696	804	176	633	33	11	27	7,848	60	3.03	2.21	0.84	17.8	8.1	1.23	.267	3.85	92	3.33	89	8.01	90.7
10	Denny Lemaster D. Lemaster	6.66	249	302	88	103	.461	3.54	1,264	66	14	6	1708.0	1,616	672	738	178	572	22	20	66	7,213	81	3.01	2.21	0.94	17.5	7.9	1.28	.278	3.89	103	3.44	104	8.52	-25.6
11	Don Drysdale D. Drysdale	6.54	359	371	158	126	.556	2.83	1,910	135	40	4	2629.2	2,341	827	961	207	598	112	10	102	10,718	64	2.05	3.19	0.71	17.8	5.6	1.12	.270	3.29	84	2.92	89	8.01	100
12	Denny McLain D. McLain	6.50	219	227	117	62	.654	3.13	1,150	94	26	1	1593.0	1,321	554	605	195	450	22	2	16	6,443	22	2.54	2.56	1.10	17.8	7.0	1.11	.243	3.42	91	3.54	99	7.46	7.2
13	Gaylord Perry G. Perry	6.47	246	330	118	97	.549	2.99	1,448	111	19	9	2014.1	1,806	669	776	145	514	45	30	85	8,268	73	2.30	2.82	0.65	17.5	6.2	1.15	.272	3.47	85	2.86	85	8.07	113.3
14	Chris Short C. Short	6.44	273	406	124	112	.525	3.30	1,462	83	22	14	2042.2	1,904	748	839	150	681	55	58	63	8,548	61	3.00	2.15	0.66	17.1	8.0	1.27	.283	3.70	93	3.14	92	8.39	60.7
15	Dean Chance D. Chance	6.43	280	375	124	109	.532	2.90	1,470	83	33	23	2057.2	1,773	662	789	117	689	61	56	71	8,501	66	3.01	2.13	0.51	17.3	8.1	1.20	.269	3.45	84	2.94	83	7.75	139.4
16	Earl Wilson E. Wilson	6.37	306	329	120	108	.526	3.67	1,435	69	13	0	2028.0	1,842	826	917	234	765	30	12	35	8,555	78	3.39	1.88	1.04	16.8	8.9	1.29	.264	4.07	100	3.79	101	8.17	-2.9
17	Gary Peters G. Peters	6.33	250	290	107	89	.546	3.06	1,252	70	22	3	1780.2	1,560	606	688	122	596	53	16	42	7,395	80	3.01	2.10	0.62	16.9	8.1	1.21	.268	3.48	89	3.11	88	7.88	84.9
18	Juan Marichal J. Marichal	6.33	353	362	203	98	.674	2.70	1,963	211	46	2	2792.1	2,430	839	989	251	551	31	8	60	11,247	41	1.78	3.56	0.81	17.5	4.9	1.07	.258	3.19	76	2.92	85	7.83	150.4
19	Steve Barber S. Barber	5.96	265	325	111	98	.531	3.30	1,158	59	21	5	1747.1	1,568	641	750	109	845	35	25	42	7,495	75	4.35	1.37	0.56	15.5	11.3	1.38	.273	3.86	95	3.53	98	8.08	10.6
20	Ray Sadecki R. Sadecki	5.93	280	349	107	107	.500	3.91	1,263	76	17	4	1916.1	1,889	833	951	203	714	25	23	53	8,205	80	3.35	1.77	0.95	15.4	8.7	1.36	.281	4.47	106	3.75	104	8.87	-29.5
21	Jim O'Toole J. O'Toole	5.88	218	241	93	75	.554	3.44	967	55	17	4	1479.0	1,397	565	650	105	468	22	8	38	6,201	34	2.85	2.07	0.64	15.6	7.5	1.26	.279	3.96	91	3.17	86	8.50	85.2
22	Whitey Ford W. Ford	5.82	230	253	115	56	.673	2.83	1,041	62	21	3	1608.2	1,465	506	576	128	422	11	12	23	6,581	43	2.36	2.47	0.72	15.8	6.4	1.17	.269	3.22	79	3.10	84	8.20	105.1
23	George Brunet G. Brunet	5.81	210	305	69	91	.431	3.54	902	39	15	4	1397.1	1,258	550	609	125	552	20	38	52	5,893	40	3.56	1.63	0.81	15.3	9.4	1.30	.264	3.92	107	3.62	107	8.10	-39.3
24	Tony Cloninger T. Cloninger	5.79	239	307	110	89	.553	4.06	1,058	62	12	6	1644.1	1,535	742	839	166	730	28	31	59	7,092	118	4.00	1.45	0.91	14.9	10.3	1.38	.268	4.59	114	3.95	115	8.40	-92.3
25	Dave McNally D. McNally	5.78	243	269	114	64	.640	3.18	1,067	67	18	1	1662.1	1,485	588	648	148	502	48	6	23	6,837	41	2.72	2.13	0.80	15.6	7.3	1.20	.264	3.51	93	3.39	96	8.04	25.5