most strikeouts in a season by an astros pitcher since 1977

Since 1977, Gerrit Cole has struck out the most hitters for the Astros in a season, with 326 strikeouts in 2019.

	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	Gerrit Cole G. Cole	326	2019	HOU	33	20	5	.800	33	2.50	0	0	0	212.1	142	59	66	29	48	3	0	0	817	4	13.82	2.03	6.79	1.23	39.9	5.9	0.89	.275	2.80	55	2.63	58	6.02	45
2	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
3	Mike Scott M. Scott	306	1986	HOU	37	18	10	.643	37	2.22	7	5	0	275.1	182	68	73	17	72	2	0	6	1,065	3	10.00	2.35	4.25	0.56	28.7	6.8	0.92	.247	2.39	63	2.15	61	5.95	43.6
4	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
5	Justin Verlander J. Verlander	300	2019	HOU	34	21	6	.778	34	2.58	2	1	0	223.0	137	64	66	36	42	6	0	0	847	4	12.11	1.70	7.14	1.45	35.4	5.0	0.80	.218	2.66	57	3.26	72	5.53	31.5
6	Justin Verlander J. Verlander	290	2018	HOU	34	16	9	.640	34	2.52	1	1	0	214.0	156	60	63	28	37	8	0	0	833	5	12.20	1.56	7.84	1.18	34.8	4.4	0.90	.272	2.65	62	2.78	67	6.56	33
7	Gerrit Cole G. Cole	276	2018	HOU	32	15	5	.750	32	2.88	1	1	0	200.1	143	64	68	19	64	7	0	0	799	9	12.40	2.88	4.31	0.85	34.5	8.0	1.03	.286	3.05	70	2.70	65	6.42	32.7
8	Nolan Ryan N. Ryan	270	1987	HOU	34	8	16	.333	34	2.76	0	0	0	211.2	154	65	75	14	87	4	0	2	873	10	11.48	3.70	3.10	0.60	30.9	10.0	1.14	.281	3.19	70	2.46	63	6.55	34.5
9	Nolan Ryan N. Ryan	245	1982	HOU	35	16	12	.571	35	3.16	10	3	0	250.1	196	88	100	20	109	8	0	3	1,050	18	8.81	3.92	2.25	0.72	23.3	10.4	1.22	.263	3.60	93	3.19	95	7.05	4
10	Mike Scott M. Scott	233	1987	HOU	36	16	13	.552	36	3.23	8	3	0	247.2	199	89	94	21	79	4	0	6	1,010	10	8.47	2.87	2.95	0.76	23.1	7.8	1.12	.264	3.42	82	3.09	80	7.23	22.1
11	Nolan Ryan N. Ryan	228	1988	HOU	33	12	11	.522	33	3.52	4	1	0	220.0	186	86	98	18	87	7	0	6	930	10	9.33	3.56	2.62	0.74	24.5	9.4	1.24	.285	4.01	105	3.03	91	7.61	7.1
12	Darryl Kile D. Kile	219	1996	HOU	35	12	11	.522	33	4.19	4	0	0	219.0	233	102	113	16	97	16	1	8	975	13	9.00	3.99	2.26	0.66	22.5	9.9	1.51	.346	4.64	105	3.66	90	9.58	10.1
13	Roger Clemens R. Clemens	218	2004	HOU	33	18	4	.818	33	2.98	0	0	0	214.1	169	71	76	15	79	6	0	5	878	5	9.15	3.32	2.76	0.63	24.8	9.0	1.16	.275	3.19	69	3.11	70	7.10	31.7
14	Dallas Keuchel D. Keuchel	216	2015	HOU	33	20	8	.714	33	2.48	3	2	0	232.0	185	64	68	17	51	2	0	0	911	9	8.38	1.98	4.24	0.66	23.7	5.6	1.02	.269	2.64	64	2.90	73	7.18	28.3
15	J.R. Richard	214	1977	HOU	36	18	12	.600	36	2.97	13	3	0	267.0	212	88	94	18	104	0	0	1	1,092	6	7.21	3.51	2.06	0.61	19.6	9.5	1.18	.257	3.17	82	3.17	85	7.15	16.2
16	Shane Reynolds S. Reynolds	209	1998	HOU	35	19	8	.704	35	3.51	3	1	0	233.1	257	91	99	25	53	2	0	2	986	5	8.06	2.04	3.94	0.96	21.2	5.4	1.33	.333	3.82	88	3.44	85	9.91	16
17	Nolan Ryan N. Ryan	209	1985	HOU	35	10	12	.455	35	3.80	4	0	0	232.0	205	98	108	12	95	9	0	8	983	14	8.11	3.69	2.20	0.47	21.3	9.7	1.29	.293	4.19	111	2.89	84	7.95	14.2
18	Roy Oswalt R. Oswalt	208	2002	HOU	35	19	9	.679	34	3.01	0	0	0	233.0	215	78	86	17	62	5	0	4	956	3	8.03	2.39	3.35	0.66	21.8	6.5	1.19	.298	3.32	71	2.98	70	8.30	32.2
19	Hunter Brown H. Brown	206	2025	HOU	31	12	9	.571	31	2.43	1	0	0	185.1	133	50	55	17	57	7	0	1	729	0	10.00	2.77	3.61	0.83	28.3	7.8	1.03	.262	2.67	60	3.13	76	6.46	20.6
20	Roy Oswalt R. Oswalt	206	2004	HOU	36	20	10	.667	35	3.49	2	2	0	237.0	233	92	100	17	62	11	0	5	983	5	7.82	2.35	3.32	0.65	21.0	6.3	1.24	.314	3.80	80	3.16	71	8.85	33.6
21	Darryl Kile D. Kile	205	1997	HOU	34	19	7	.731	34	2.57	6	4	0	255.2	208	73	87	19	94	10	0	2	1,056	7	7.22	3.31	2.18	0.67	19.4	8.9	1.18	.260	3.06	65	3.68	93	7.32	8.2
22	Shane Reynolds S. Reynolds	204	1996	HOU	35	16	10	.615	35	3.65	4	1	0	239.0	227	97	103	20	44	8	0	3	981	5	7.68	1.66	4.64	0.75	20.8	4.5	1.13	.294	3.88	91	3.20	78	8.55	24
23	Charlie Morton C. Morton	201	2018	HOU	30	15	3	.833	30	3.13	0	0	0	167.0	130	58	63	18	64	16	0	0	695	4	10.83	3.45	3.14	0.97	28.9	9.2	1.16	.283	3.40	76	3.59	87	7.01	10.4
24	Framber Valdez F. Valdez	200	2023	HOU	31	12	11	.522	31	3.45	2	2	0	198.0	166	76	86	19	57	10	0	0	808	6	9.09	2.59	3.51	0.86	24.8	7.1	1.13	.282	3.91	82	3.49	82	7.55	16.5
25	Nolan Ryan N. Ryan	200	1980	HOU	35	11	10	.524	35	3.35	4	2	0	233.2	205	87	100	10	98	3	0	1	982	10	7.70	3.77	2.04	0.39	20.4	10.0	1.30	.291	3.85	99	2.89	83	7.90	15.1