most strikeouts in a season by a pitcher, 1966 to 1967

Between the 1966 and 1967 seasons, Sandy Koufax struck out the most hitters in a season, with 317 strikeouts in 1966.

	NAME	SO	SEASON	TM	G	W	L	W%	GS	ERA	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Sandy Koufax S. Koufax	317	1966	LAD	41	27	9	.750	41	1.73	27	5	0	323.0	241	62	74	19	77	0	0	4	1,274	7	8.83	2.15	4.12	0.53	24.9	6.0	0.98	.258	2.06	53	2.07	65	6.72	41.8
2	Jim Bunning J. Bunning	253	1967	PHI	40	17	15	.531	40	2.29	16	6	0	302.1	241	77	94	18	73	13	0	20	1,216	4	7.53	2.17	3.47	0.54	20.8	6.0	1.04	.260	2.80	69	2.49	77	7.17	24.7
3	Jim Bunning J. Bunning	252	1966	PHI	43	19	14	.576	41	2.41	16	5	1	314.0	260	84	91	26	55	19	2	8	1,254	5	7.22	1.58	4.58	0.75	20.1	4.4	1.00	.259	2.61	67	2.73	79	7.45	25.2
4	Jim Lonborg J. Lonborg	246	1967	BOS	39	22	9	.710	39	3.16	15	2	0	273.1	228	96	102	23	83	19	0	5	1,130	12	8.10	2.73	2.96	0.76	21.8	7.3	1.14	.270	3.36	91	2.95	82	7.51	19.8
5	Fergie Jenkins F. Jenkins	236	1967	CHC	38	20	13	.606	38	2.80	20	3	0	289.1	230	90	101	30	83	4	0	8	1,156	2	7.34	2.58	2.84	0.93	20.4	7.2	1.08	.249	3.14	80	3.16	93	7.15	7.7
6	Sam McDowell S. McDowell	236	1967	CLE	37	13	15	.464	37	3.85	10	1	0	236.1	201	101	112	21	123	7	0	3	1,014	18	8.99	4.68	1.92	0.80	23.3	12.1	1.37	.287	4.27	120	3.35	101	7.65	-0.9
7	Gaylord Perry G. Perry	230	1967	SFG	39	15	17	.469	37	2.61	18	3	1	293.0	231	85	98	20	84	4	2	17	1,178	13	7.06	2.58	2.74	0.61	19.5	7.1	1.08	.251	3.01	77	2.76	85	7.10	16.3
8	Bob Veale B. Veale	229	1966	PIT	38	16	12	.571	37	3.02	12	3	0	268.1	228	90	99	18	102	5	0	6	1,111	10	7.68	3.42	2.25	0.60	20.6	9.2	1.23	.277	3.32	84	2.92	84	7.65	17.1
9	Bob Gibson B. Gibson	225	1966	STL	35	21	12	.636	35	2.44	20	5	0	280.1	210	76	90	20	78	5	0	5	1,119	12	7.22	2.50	2.88	0.64	20.1	7.0	1.03	.240	2.89	68	2.76	80	6.74	21.5
10	Sam McDowell S. McDowell	225	1966	CLE	35	9	8	.529	28	2.87	8	5	3	194.1	130	62	66	12	102	6	5	3	806	5	10.42	4.72	2.21	0.56	27.9	12.7	1.19	.256	3.06	84	2.71	76	6.02	18.3
11	Juan Marichal J. Marichal	222	1966	SFG	37	25	6	.806	36	2.23	25	4	0	307.1	228	76	88	32	36	5	1	3	1,180	3	6.50	1.05	6.17	0.94	18.8	3.1	0.86	.221	2.58	62	2.86	82	6.68	21.3
12	Dean Chance D. Chance	220	1967	MIN	41	20	14	.588	39	2.73	18	5	1	283.2	244	86	109	17	68	7	2	7	1,161	9	6.98	2.16	3.24	0.54	18.9	5.9	1.10	.267	3.46	81	2.56	73	7.74	28.6
13	Luis Tiant L. Tiant	219	1967	CLE	33	12	9	.571	29	2.74	9	1	2	213.2	177	65	76	24	67	1	4	2	872	1	9.22	2.82	3.27	1.01	25.1	7.7	1.14	.273	3.20	86	2.90	88	7.46	9.8
14	Jim Maloney J. Maloney	216	1966	CIN	32	16	8	.667	32	2.80	10	5	0	224.2	174	70	75	18	90	10	0	4	930	8	8.65	3.61	2.40	0.72	23.2	9.7	1.18	.262	3.00	73	3.01	81	6.97	17.7
15	Gary Peters G. Peters	215	1967	CWS	38	16	11	.593	36	2.28	11	3	0	260.0	187	66	81	15	91	11	0	8	1,060	7	7.44	3.15	2.36	0.52	20.3	8.6	1.07	.236	2.80	73	2.81	87	6.47	12.6
16	Jim Kaat J. Kaat	211	1967	MIN	42	16	13	.552	38	3.04	13	2	0	263.1	269	89	110	21	42	9	1	2	1,100	9	7.21	1.44	5.02	0.72	19.2	3.8	1.18	.304	3.76	91	2.55	73	9.19	26.7
17	Don Sutton D. Sutton	209	1966	LAD	37	12	12	.500	35	2.99	6	2	0	225.2	192	75	82	19	52	3	0	6	916	5	8.34	2.07	4.02	0.76	22.8	5.7	1.08	.273	3.27	91	2.53	80	7.66	16.6
18	Gary Nolan G. Nolan	206	1967	CIN	33	14	8	.636	32	2.58	8	5	0	226.2	193	65	73	18	62	5	1	7	932	3	8.18	2.46	3.32	0.71	22.1	6.7	1.13	.273	2.90	71	2.64	76	7.66	20.6
19	Jim Kaat J. Kaat	205	1966	MIN	41	25	13	.658	41	2.75	19	3	0	304.2	271	93	114	29	55	3	0	4	1,227	12	6.06	1.62	3.73	0.86	16.7	4.5	1.07	.259	3.37	77	3.02	82	8.01	22.7
20	Dave Boswell D. Boswell	204	1967	MIN	37	14	12	.538	32	3.27	11	3	0	222.2	162	81	84	14	107	7	1	5	923	7	8.25	4.32	1.91	0.57	22.1	11.6	1.21	.250	3.40	97	3.06	88	6.55	10.5
21	Mike Cuellar M. Cuellar	203	1967	HOU	36	16	11	.593	32	3.03	16	3	1	246.1	233	83	99	16	63	1	3	3	1,021	1	7.42	2.30	3.22	0.58	19.9	6.2	1.20	.294	3.62	93	2.51	80	8.51	17.8
22	Gaylord Perry G. Perry	201	1966	SFG	36	21	8	.724	35	2.99	13	3	0	255.2	242	85	92	15	40	5	0	3	1,035	7	7.08	1.41	5.03	0.53	19.4	3.9	1.10	.293	3.24	83	2.27	65	8.52	34.5
23	Earl Wilson E. Wilson	200	1966	TOT	38	18	11	.621	37	3.07	13	3	0	264.0	214	90	94	30	74	6	1	3	1,059	9	6.82	2.52	2.70	1.02	18.9	7.0	1.09	.246	3.20	86	3.43	93	7.30	8.2
24	Don Drysdale D. Drysdale	196	1967	LAD	38	13	16	.448	38	2.74	9	3	0	282.0	269	86	101	19	60	8	0	19	1,151	5	6.26	1.91	3.27	0.61	17.0	5.2	1.17	.288	3.22	88	2.75	92	8.59	7.2
25	Catfish Hunter C. Hunter	196	1967	KCA	35	13	17	.433	35	2.81	13	5	0	259.2	209	81	91	16	84	2	0	6	1,053	4	6.79	2.91	2.33	0.55	18.6	8.0	1.13	.256	3.15	85	2.82	83	7.24	17