which pitcher has the most strikeouts all-time for the astros

Nolan Ryan has struck out the most career batters for the Astros, with 1,866 strikeouts.

	NAME	SO	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	1,866	282	106	94	.530	282	3.13	38	13	0	1854.2	1,441	645	739	111	796	44	0	31	7,716	104	9.05	3.86	2.34	0.54	24.2	10.3	1.21	.271	3.59	91	2.86	83	6.99	124.4
2	Roy Oswalt R. Oswalt	1,593	303	143	82	.636	291	3.24	19	7	0	1932.1	1,865	696	747	167	446	68	5	32	7,976	23	7.42	2.08	3.57	0.78	20.0	5.6	1.20	.298	3.48	76	3.35	77	8.69	217.7
3	J.R. Richard	1,493	238	107	71	.601	221	3.15	76	19	0	1606.0	1,227	562	625	73	770	17	3	15	6,674	92	8.37	4.32	1.94	0.41	22.4	11.5	1.24	.267	3.50	92	2.85	82	6.88	114.7
4	Larry Dierker L. Dierker	1,487	345	137	117	.539	320	3.28	106	25	1	2294.1	2,090	837	927	177	695	48	9	43	9,492	102	5.83	2.73	2.14	0.69	15.7	7.3	1.21	.270	3.64	96	3.20	96	8.20	33.2
5	Mike Scott M. Scott	1,318	263	110	81	.576	259	3.30	42	21	0	1704.0	1,444	625	694	144	505	30	3	45	6,989	35	6.96	2.67	2.61	0.76	18.9	7.2	1.14	.260	3.67	94	3.26	93	7.63	45.3
6	Shane Reynolds S. Reynolds	1,309	274	103	86	.545	248	3.95	20	7	0	1622.1	1,738	712	785	171	358	33	5	27	6,865	38	7.26	1.99	3.66	0.95	19.1	5.2	1.29	.314	4.35	95	3.58	85	9.64	111.6
7	Don Wilson D. Wilson	1,283	266	104	92	.531	245	3.15	78	20	2	1748.1	1,479	611	698	119	640	47	10	32	7,305	77	6.60	3.29	2.00	0.61	17.6	8.8	1.21	.261	3.59	92	3.09	92	7.61	43.7
8	Joe Niekro J. Niekro	1,178	397	144	116	.554	301	3.22	82	21	9	2270.0	2,052	811	934	139	818	41	41	33	9,490	128	4.67	3.24	1.44	0.55	12.4	8.6	1.26	.262	3.70	95	3.59	104	8.14	-46
9	Wandy Rodriguez W. Rodriguez	1,093	227	80	84	.488	218	4.04	2	2	0	1306.2	1,295	587	664	147	454	45	1	31	5,577	34	7.53	3.13	2.41	1.01	19.6	8.1	1.34	.299	4.57	98	4.03	96	8.92	28.1
10	Darryl Kile D. Kile	973	209	71	65	.522	182	3.79	16	6	0	1200.0	1,128	505	580	89	562	72	7	27	5,241	58	7.30	4.22	1.73	0.67	18.6	10.7	1.41	.293	4.35	99	3.96	103	8.46	-14.6
11	Justin Verlander J. Verlander	962	130	73	28	.723	130	2.71	3	2	0	810.1	589	244	261	106	155	31	0	0	3,166	16	10.68	1.72	6.21	1.18	30.4	4.9	0.92	.253	2.90	65	3.18	76	6.54	92.7
12	Bob Knepper B. Knepper	946	284	93	100	.482	267	3.66	41	18	1	1738.0	1,748	706	812	148	521	27	5	40	7,315	36	4.90	2.70	1.82	0.77	12.9	7.1	1.31	.282	4.20	105	3.70	107	9.05	-56.1
13	Dallas Keuchel D. Keuchel	945	192	76	63	.547	183	3.66	12	4	0	1189.1	1,144	484	521	115	343	21	2	7	4,937	44	7.15	2.60	2.76	0.87	19.1	6.9	1.25	.293	3.94	92	3.71	92	8.66	45.3
14	Framber Valdez F. Valdez	866	157	68	41	.624	135	3.30	7	3	0	888.2	741	326	362	72	321	51	7	1	3,681	49	8.77	3.25	2.70	0.73	23.5	8.7	1.20	.282	3.67	80	3.53	85	7.50	61.4
15	Ken Forsch K. Forsch	815	421	78	81	.491	153	3.18	36	9	50	1493.2	1,439	528	587	96	428	26	171	58	6,213	36	4.91	2.58	1.90	0.58	13.1	6.9	1.25	.277	3.54	92	3.25	94	8.67	30.3
16	Lance McCullers Jr. L. McCullers Jr.	800	130	49	32	.605	127	3.48	1	0	0	718.2	603	278	299	57	296	38	0	4	3,017	47	10.02	3.71	2.70	0.71	26.5	9.8	1.25	.299	3.74	84	3.35	80	7.55	66.9
17	Mike Hampton M. Hampton	767	216	76	50	.603	172	3.59	13	6	0	1138.0	1,140	454	525	88	419	23	7	16	4,844	35	6.07	3.31	1.83	0.70	15.8	8.6	1.37	.297	4.15	89	3.94	96	9.02	21
18	Collin McHugh C. McHugh	743	195	58	35	.624	110	3.63	1	0	0	753.1	699	304	320	82	219	33	26	4	3,145	24	8.88	2.62	3.39	0.98	23.6	7.0	1.22	.298	3.82	90	3.59	88	8.35	42.2
19	Jim Deshaies J. Deshaies	731	181	61	59	.508	178	3.67	14	6	0	1102.0	960	449	479	113	423	17	0	36	4,599	16	5.97	3.45	1.73	0.92	15.9	9.2	1.25	.256	3.91	103	4.00	113	7.84	-64.1
20	Billy Wagner B. Wagner	694	464	26	29	.473	0	2.53	0	0	225	504.1	333	142	149	48	191	18	379	15	2,027	28	12.38	3.41	3.63	0.86	34.2	9.4	1.04	.265	2.66	59	2.80	66	5.94	83.4
21	Turk Farrell T. Farrell	694	181	53	64	.453	132	3.42	41	5	8	1015.0	947	386	432	95	212	14	29	21	4,148	15	6.15	1.88	3.27	0.84	16.7	5.1	1.14	.272	3.83	100	3.07	92	8.40	29.4
22	Wade Miller W. Miller	659	127	58	39	.598	123	3.87	5	1	0	768.0	699	330	362	91	306	23	2	14	3,246	18	7.72	3.59	2.15	1.07	20.3	9.4	1.31	.281	4.24	87	4.14	94	8.19	23.8
23	Tom Griffin T. Griffin	652	199	45	60	.429	123	4.20	24	9	3	863.1	828	403	442	78	441	25	19	31	3,807	55	6.80	4.60	1.48	0.81	17.1	11.6	1.47	.287	4.61	119	3.82	111	8.63	-38.2
24	Bud Norris B. Norris	643	119	34	46	.425	118	4.33	0	0	0	689.2	687	332	368	85	281	26	0	13	3,001	22	8.39	3.67	2.29	1.11	21.4	9.4	1.40	.306	4.80	110	4.13	104	8.97	-10.9
25	Dave Giusti D. Giusti	625	176	47	53	.470	118	4.02	33	8	5	913.1	910	408	447	79	263	13	24	27	3,873	56	6.16	2.59	2.38	0.78	16.1	6.8	1.28	.287	4.40	121	3.17	100	8.97	-1.6