most wins in a season by a pitcher by an astro

Mike Hampton has won the most games for the Astros in a season, with 22 wins in 1999.

	NAME	W	SEASON	TM	L	W%	G	GS	ERA	SO	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	Mike Hampton M. Hampton	22	1999	HOU	4	.846	34	34	2.90	177	3	2	0	239.0	206	77	86	12	101	5	0	2	979	9	6.67	3.80	1.75	0.45	18.1	10.3	1.28	.284	3.24	68	3.63	84	7.76	19.4
2	Justin Verlander J. Verlander	21	2019	HOU	6	.778	34	34	2.58	300	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
3	Jose Lima J. Lima	21	1999	HOU	10	.677	35	35	3.58	187	3	0	0	246.1	256	98	108	30	44	2	0	2	1,024	8	6.83	1.61	4.25	1.10	18.3	4.3	1.22	.297	3.95	84	3.75	86	9.35	16.4
4	Joe Niekro J. Niekro	21	1979	HOU	11	.656	38	38	3.00	119	11	5	0	263.2	221	88	102	17	107	7	0	1	1,095	19	4.06	3.65	1.11	0.58	10.9	9.8	1.24	.241	3.48	87	3.95	112	7.54	-13.7
5	Gerrit Cole G. Cole	20	2019	HOU	5	.800	33	33	2.50	326	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
6	Dallas Keuchel D. Keuchel	20	2015	HOU	8	.714	33	33	2.48	216	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
7	Roy Oswalt R. Oswalt	20	2005	HOU	12	.625	35	35	2.94	184	4	1	0	241.2	243	79	85	18	48	8	0	3	1,002	5	6.85	1.79	3.83	0.67	18.4	4.8	1.20	.302	3.17	70	3.15	73	9.05	30.4
8	Roy Oswalt R. Oswalt	20	2004	HOU	10	.667	36	35	3.49	206	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
9	Mike Scott M. Scott	20	1989	HOU	10	.667	33	32	3.10	172	9	2	0	229.0	180	79	87	23	62	3	1	12	924	7	6.76	2.44	2.77	0.90	18.6	6.7	1.06	.236	3.42	93	3.41	101	7.07	-1.5
10	Joe Niekro J. Niekro	20	1980	HOU	12	.625	37	36	3.55	127	11	2	0	256.0	268	101	119	12	79	4	1	3	1,096	12	4.46	2.78	1.61	0.42	11.6	7.2	1.36	.293	4.18	105	3.33	96	9.42	3.3
11	J.R. Richard	20	1976	HOU	15	.571	39	39	2.75	214	14	3	0	291.0	221	89	105	14	151	4	0	4	1,218	13	6.62	4.67	1.42	0.43	17.6	12.4	1.28	.248	3.25	84	3.38	101	6.84	-1.8
12	Larry Dierker L. Dierker	20	1969	HOU	13	.606	39	37	2.33	232	20	4	0	305.1	240	79	97	18	72	1	0	6	1,207	9	6.84	2.12	3.22	0.53	19.2	6.0	1.02	.251	2.86	67	2.47	74	7.07	30.1
13	Collin McHugh C. McHugh	19	2015	HOU	7	.731	32	32	3.89	171	0	0	0	203.2	207	88	89	19	53	9	0	2	859	5	7.56	2.34	3.23	0.84	19.9	6.2	1.28	.310	3.93	100	3.57	89	9.15	9.5
14	Roy Oswalt R. Oswalt	19	2002	HOU	9	.679	35	34	3.01	208	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
15	Shane Reynolds S. Reynolds	19	1998	HOU	8	.704	35	35	3.51	209	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
16	Darryl Kile D. Kile	19	1997	HOU	7	.731	34	34	2.57	205	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
17	Justin Verlander J. Verlander	18	2022	HOU	4	.818	28	28	1.75	185	0	0	0	175.0	116	34	43	12	29	6	0	0	666	3	9.51	1.49	6.38	0.62	27.8	4.4	0.83	.240	2.21	46	2.48	64	5.97	27.7
18	Roger Clemens R. Clemens	18	2004	HOU	4	.818	33	33	2.98	218	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
19	Mark Portugal M. Portugal	18	1993	HOU	4	.818	33	33	2.77	131	1	1	0	208.0	194	64	75	10	77	4	0	3	876	9	5.67	3.33	1.70	0.43	15.0	8.8	1.30	.281	3.25	72	3.51	91	8.39	7.6
20	Mike Scott M. Scott	18	1986	HOU	10	.643	37	37	2.22	306	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
21	Mike Scott M. Scott	18	1985	HOU	8	.692	36	35	3.29	137	4	2	0	221.2	194	81	91	20	80	3	1	4	922	7	5.56	3.25	1.71	0.81	14.9	8.7	1.24	.255	3.69	96	3.74	109	7.88	-8.6
22	J.R. Richard	18	1979	HOU	13	.581	38	38	2.71	313	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
23	J.R. Richard	18	1978	HOU	11	.621	36	36	3.11	303	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
24	J.R. Richard	18	1977	HOU	12	.600	36	36	2.97	214	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
25	Framber Valdez F. Valdez	17	2022	HOU	6	.739	31	31	2.82	194	3	1	0	201.1	166	63	71	11	67	11	0	0	827	11	8.67	3.00	2.90	0.49	23.5	8.1	1.16	.285	3.17	73	3.05	78	7.42	19.1