The Houston Astros are 5031-4986 all-time.

	TEAM	REC	SHO	SEASON	W%	G	W	L	GS	ERA	SO	CG	SV	IP	H	ER	R	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Colt .45's	64-96	8	1962	.400	162	64	96	162	3.83	1,047	34	19	1453.2	1,446	618	717	113	471	37	19	6,186	74	6.48	2.92	2.22	0.70	16.9	7.6	1.32	.295	4.44	8.95
2	Colt .45's	66-96	8	1963	.407	162	66	96	162	3.44	937	36	20	1450.1	1,341	554	640	95	378	35	23	6,036	43	5.81	2.35	2.48	0.59	15.5	6.3	1.19	.271	3.97	8.32
3	Colt .45's	66-96	6	1964	.407	162	66	96	162	3.41	852	30	31	1428.0	1,421	541	628	105	353	28	53	5,990	39	5.37	2.22	2.41	0.66	14.2	5.9	1.24	.283	3.96	8.96
4	Astros	65-97	7	1965	.401	162	65	97	162	3.84	931	29	26	1461.0	1,459	624	711	123	388	40	69	6,160	53	5.74	2.39	2.40	0.76	15.1	6.3	1.26	.286	4.38	8.99
5	Astros	72-90	9	1966	.444	163	72	90	163	3.76	929	34	26	1443.2	1,468	603	695	130	391	34	44	6,126	60	5.79	2.44	2.38	0.81	15.2	6.4	1.29	.288	4.33	9.15
6	Astros	69-93	7	1967	.426	162	69	93	162	4.03	1,060	35	22	1445.2	1,444	647	742	120	485	43	47	6,208	69	6.60	3.02	2.19	0.75	17.1	7.8	1.33	.294	4.62	8.99
7	Astros	72-90	10	1968	.444	162	72	90	162	3.26	1,021	50	23	1447.0	1,362	524	588	68	479	36	85	6,125	74	6.35	2.98	2.13	0.42	16.7	7.8	1.27	.286	3.66	8.47
8	Astros	81-81	9	1969	.500	162	81	81	162	3.60	1,221	52	34	1435.2	1,347	574	668	111	547	35	65	6,126	73	7.65	3.43	2.23	0.70	19.9	8.9	1.32	.293	4.19	8.44
9	Astros	79-83	5	1970	.488	162	79	83	162	4.23	942	36	35	1456.0	1,491	685	763	131	577	41	45	6,337	91	5.82	3.57	1.63	0.81	14.9	9.1	1.42	.293	4.72	9.22
10	Astros	79-83	10	1971	.488	162	79	83	162	3.13	914	43	25	1471.1	1,318	512	567	75	475	60	52	6,121	64	5.59	2.91	1.92	0.46	14.9	7.8	1.22	.270	3.47	8.06
11	Astros	84-69	13	1972	.549	153	84	69	153	3.77	971	38	31	1385.1	1,340	580	636	114	498	38	33	5,890	58	6.31	3.24	1.95	0.74	16.5	8.5	1.33	.287	4.13	8.71
12	Astros	82-80	13	1973	.506	162	82	80	162	3.75	907	45	26	1460.2	1,389	608	672	111	575	29	64	6,236	52	5.59	3.54	1.58	0.68	14.5	9.2	1.34	.277	4.14	8.56
13	Astros	81-81	15	1974	.500	162	81	81	162	3.46	738	36	18	1450.2	1,396	558	632	84	601	37	56	6,225	52	4.58	3.73	1.23	0.52	11.9	9.7	1.38	.275	3.92	8.66
14	Astros	64-97	6	1975	.398	162	64	97	162	4.04	839	39	25	1458.1	1,436	654	711	106	679	34	44	6,337	83	5.18	4.19	1.24	0.65	13.2	10.7	1.45	.284	4.39	8.86
15	Astros	80-82	15	1976	.494	162	80	82	162	3.56	780	42	29	1444.1	1,349	571	657	82	662	25	43	6,213	57	4.86	4.13	1.18	0.51	12.6	10.7	1.39	.272	4.09	8.41
16	Astros	81-81	7	1977	.500	162	81	81	162	3.54	871	37	28	1465.2	1,384	576	650	110	545	25	33	6,196	46	5.35	3.35	1.60	0.68	14.1	8.8	1.32	.274	3.99	8.50
17	Astros	74-88	13	1978	.457	162	74	88	162	3.63	930	48	23	1440.1	1,328	581	634	86	578	31	54	6,140	47	5.81	3.61	1.61	0.54	15.1	9.4	1.32	.275	3.96	8.30
18	Astros	89-73	17	1979	.549	162	89	73	162	3.20	854	55	31	1447.2	1,278	514	582	90	504	24	24	6,014	55	5.31	3.13	1.69	0.56	14.2	8.4	1.23	.262	3.62	7.95
19	Astros	93-70	13	1980	.571	163	93	70	163	3.10	929	31	41	1482.2	1,367	511	589	69	466	25	26	6,160	38	5.64	2.83	1.99	0.42	15.1	7.6	1.24	.278	3.58	8.30
20	Astros	61-49	13	1981	.555	110	61	49	110	2.66	610	23	25	990.0	842	293	331	40	300	11	24	4,034	36	5.55	2.73	2.03	0.36	15.1	7.4	1.15	.261	3.01	7.65
21	Astros	77-85	10	1982	.475	162	77	85	162	3.42	899	37	31	1446.2	1,338	549	620	87	479	33	40	6,038	61	5.59	2.98	1.88	0.54	14.9	7.9	1.26	.276	3.86	8.32
22	Astros	85-77	8	1983	.525	162	85	77	162	3.45	904	22	48	1466.1	1,276	562	646	94	570	27	49	6,117	49	5.55	3.50	1.59	0.58	14.8	9.3	1.26	.261	3.96	7.83
23	Astros	80-82	7	1984	.494	162	80	82	162	3.32	950	24	29	1449.1	1,350	534	630	91	502	17	58	6,064	45	5.90	3.12	1.89	0.57	15.7	8.3	1.28	.280	3.91	8.38
24	Astros	83-79	3	1985	.512	162	83	79	162	3.66	909	17	42	1458.0	1,393	593	691	119	543	25	50	6,185	69	5.61	3.35	1.67	0.73	14.7	8.8	1.33	.278	4.27	8.60
25	Astros	96-66	11	1986	.593	162	96	66	162	3.15	1,160	18	51	1456.1	1,203	509	569	116	523	23	60	6,010	50	7.17	3.23	2.22	0.72	19.3	8.7	1.19	.260	3.52	7.43
	Total	5031-4986	343		.502	10,022	5,031	4,986	10,022	3.80	68,531	1,137	2,248	89759.2	85,603	37,868	42,014	8,516	31,758	2,734	2,646	381,150	3,343	6.87	3.18	2.16	0.85	18.0	8.3	1.31	.286	4.21	8.58