most strikeouts in a season in the 1970s by a pitcher

Between the 1970 and 1979 seasons, Nolan Ryan struck out the most batters in a season, with 383 strikeouts in 1973.

	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	Nolan Ryan N. Ryan	383	1973	CAL	41	21	16	.568	39	2.87	26	4	1	326.0	238	104	113	18	162	7	2	2	1,355	15	10.57	4.47	2.36	0.50	28.3	12.0	1.23	.280	3.12	80	2.48	69	6.57	40.9
2	Nolan Ryan N. Ryan	367	1974	CAL	42	22	16	.579	41	2.89	26	3	0	332.2	221	107	127	18	202	9	1	3	1,392	9	9.93	5.46	1.82	0.49	26.4	14.5	1.27	.255	3.44	85	2.97	84	5.98	20.2
3	Nolan Ryan N. Ryan	341	1977	CAL	37	19	16	.543	37	2.77	22	4	0	299.0	198	92	110	12	204	9	0	7	1,272	21	10.26	6.14	1.67	0.36	26.8	16.0	1.34	.263	3.31	72	3.11	79	5.96	27.9
4	Nolan Ryan N. Ryan	329	1972	CAL	39	19	16	.543	39	2.28	20	9	0	284.0	166	72	80	14	157	10	0	4	1,154	18	10.43	4.98	2.10	0.44	28.5	13.6	1.14	.236	2.54	79	2.48	83	5.26	16.6
5	Nolan Ryan N. Ryan	327	1976	CAL	39	17	18	.486	39	3.36	21	7	0	284.1	193	106	117	13	183	5	0	2	1,196	5	10.35	5.79	1.79	0.41	27.3	15.3	1.32	.269	3.70	99	2.91	85	6.11	16.5
6	J.R. Richard	313	1979	HOU	38	18	13	.581	38	2.71	19	4	0	292.1	220	88	98	13	98	3	0	5	1,175	19	9.64	3.02	3.19	0.40	26.6	8.3	1.09	.277	3.02	78	2.19	62	6.77	45.6
7	Steve Carlton S. Carlton	310	1972	PHI	41	27	10	.730	41	1.97	30	8	0	346.1	257	76	84	17	87	1	0	8	1,351	8	8.06	2.26	3.56	0.44	22.9	6.4	0.99	.256	2.18	56	2.00	59	6.68	53.5
8	Mickey Lolich M. Lolich	308	1971	DET	45	25	14	.641	45	2.92	29	4	0	376.0	336	122	133	36	92	7	0	2	1,538	7	7.37	2.20	3.35	0.86	20.0	6.0	1.14	.274	3.18	83	2.84	78	8.04	32.5
9	Sam McDowell S. McDowell	304	1970	CLE	39	20	12	.625	39	2.92	19	1	0	305.0	236	99	108	25	131	7	2	10	1,257	17	8.97	3.87	2.32	0.74	24.2	10.4	1.20	.267	3.19	76	3.06	75	6.96	33.8
10	J.R. Richard	303	1978	HOU	36	18	11	.621	36	3.11	16	3	0	275.1	192	95	104	12	141	2	0	4	1,139	16	9.90	4.61	2.15	0.39	26.6	12.4	1.21	.264	3.40	94	2.50	74	6.28	26.9
11	Vida Blue V. Blue	301	1971	OAK	39	24	8	.750	39	1.82	24	8	0	312.0	209	63	73	19	88	4	0	3	1,207	10	8.68	2.54	3.42	0.55	24.9	7.3	0.95	.239	2.11	56	2.19	66	6.03	41.4
12	Tom Seaver T. Seaver	289	1971	NYM	36	20	10	.667	35	1.76	21	4	0	286.1	210	56	61	18	61	4	1	2	1,103	5	9.08	1.92	4.74	0.57	26.2	5.5	0.95	.263	1.92	52	1.93	58	6.60	44.5
13	Tom Seaver T. Seaver	283	1970	NYM	37	18	12	.600	36	2.82	19	2	0	290.2	230	91	103	21	83	4	1	8	1,173	6	8.76	2.57	3.41	0.65	24.1	7.1	1.08	.267	3.19	71	2.52	67	7.12	40.5
14	Bob Gibson B. Gibson	274	1970	STL	34	23	7	.767	34	3.12	23	3	0	294.0	262	102	111	13	88	4	0	9	1,213	5	8.39	2.69	3.11	0.40	22.6	7.3	1.19	.299	3.40	76	2.28	59	8.02	51.7
15	Fergie Jenkins F. Jenkins	274	1970	CHC	40	22	16	.579	39	3.39	24	3	0	313.0	265	118	128	30	60	7	1	6	1,265	9	7.88	1.73	4.57	0.86	21.7	4.7	1.04	.263	3.68	76	2.77	65	7.62	48.3
16	Frank Tanana F. Tanana	269	1975	CAL	34	16	9	.640	33	2.62	16	5	0	257.1	211	75	80	21	73	7	1	6	1,029	8	9.41	2.55	3.68	0.73	26.1	7.1	1.10	.288	2.80	73	2.48	67	7.38	35.3
17	Fergie Jenkins F. Jenkins	263	1971	CHC	39	24	13	.649	39	2.77	30	3	0	325.0	304	100	114	29	37	5	0	6	1,299	3	7.28	1.02	7.11	0.80	20.2	2.8	1.05	.285	3.16	73	2.38	64	8.42	45.3
18	Phil Niekro P. Niekro	262	1977	ATL	44	16	20	.444	43	4.03	20	2	0	330.1	315	148	166	26	164	8	1	12	1,428	17	7.14	4.47	1.60	0.71	18.3	11.5	1.45	.299	4.52	95	3.73	88	8.58	18.1
19	Frank Tanana F. Tanana	261	1976	CAL	34	19	10	.655	34	2.43	23	2	0	288.1	212	78	88	24	73	9	0	5	1,142	5	8.15	2.28	3.58	0.75	22.9	6.4	0.99	.243	2.75	72	2.75	80	6.62	21.8
20	Nolan Ryan N. Ryan	260	1978	CAL	31	10	13	.435	31	3.72	14	3	0	234.2	183	97	106	12	148	3	0	7	1,008	13	9.97	5.68	1.76	0.46	25.8	14.7	1.41	.292	4.07	103	2.95	79	7.02	20.3
21	Bert Blyleven B. Blyleven	258	1973	MIN	40	20	17	.541	40	2.52	25	9	0	325.0	296	91	109	16	67	9	0	4	1,321	7	7.14	1.86	3.85	0.44	19.5	5.1	1.12	.288	3.02	63	2.31	58	8.20	57.6
22	Tom Seaver T. Seaver	251	1973	NYM	36	19	10	.655	36	2.08	18	3	0	290.0	219	67	74	23	64	4	0	5	1,147	5	7.79	1.99	3.92	0.71	21.9	5.6	0.98	.243	2.30	59	2.56	72	6.80	32.9
23	Bill Stoneman B. Stoneman	251	1971	MON	39	17	16	.515	38	3.15	19	3	0	294.2	243	103	112	20	146	5	1	11	1,243	10	7.67	4.46	1.72	0.61	20.2	11.7	1.32	.272	3.42	89	3.16	92	7.42	9.2
24	Mickey Lolich M. Lolich	250	1972	DET	41	22	14	.611	41	2.50	23	4	0	327.1	282	91	100	29	74	11	0	5	1,321	6	6.87	2.03	3.38	0.80	18.9	5.6	1.09	.264	2.75	79	2.80	85	7.75	17.9
25	Bert Blyleven B. Blyleven	249	1974	MIN	37	17	17	.500	37	2.66	19	3	0	281.0	244	83	99	14	77	9	0	3	1,149	3	7.98	2.47	3.23	0.45	21.7	6.7	1.14	.288	3.17	71	2.36	65	7.81	39.4