The Houston Astros are 26-34 on May 21 all-time.

	TEAM	DATE	REC	TM		OPP	RESULT	W%	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Colt .45's	5/21/1962	1-0	HOU	vs	NYM	W 3-2	1.000	28	3	9	0	2	0	3	4	0	0	2	0	34	13	2	1	1	0	2	.321	.394	.464	.858
2	Colt .45's	5/21/1963	0-1	HOU	vs	PIT	L 5-6	.000	34	5	8	0	0	2	5	3	0	3	0	0	40	14	2	2	1	0	1	.235	.289	.412	.701
3	Colt .45's	5/21/1964	1-0	HOU	vs	PIT	W 3-1	1.000	31	3	8	0	0	0	2	1	0	5	0	0	33	8	0	1	0	1	0	.258	.281	.258	.539
4	Astros	5/21/1965	0-1	HOU	vs	SFG	L 1-8	.000	31	1	5	0	0	1	1	1	0	5	0	0	32	8	1	0	0	0	1	.161	.188	.258	.446
5	Astros	5/21/1966	1-0	HOU	vs	PHI	W 4-3	1.000	40	4	11	1	0	2	4	4	2	9	0	0	48	18	3	2	0	0	0	.275	.370	.450	.820
6	Astros	5/21/1967	1-0	HOU	vs	SFG	W 2-0	1.000	28	2	3	1	0	1	2	0	0	8	1	0	28	7	2	0	0	0	0	.107	.107	.250	.357
7	Astros	5/21/1968	1-0	HOU	@	CIN	W 8-2	1.000	41	8	17	2	0	0	8	2	1	4	0	1	45	19	2	0	1	1	1	.415	.444	.463	.908
8	Astros	5/21/1969	1-0	HOU	vs	MON	W 3-2	1.000	30	3	7	1	1	0	3	8	1	7	1	1	39	10	2	0	0	0	0	.233	.410	.333	.744
9	Astros	5/21/1970	0-1	HOU	vs	CIN	L 0-3	.000	26	0	2	0	0	0	0	2	0	0	0	1	28	2	0	0	0	0	1	.077	.143	.077	.220
10	Astros	5/21/1971	1-0	HOU	vs	SFG	W 4-1	1.000	31	4	8	2	1	0	3	1	2	2	0	0	34	12	3	0	0	0	1	.258	.324	.387	.711
11	Astros	5/21/1972	1-0	HOU	@	LAD	W 2-1	1.000	33	2	6	1	0	1	2	2	0	4	0	0	35	10	2	0	0	0	1	.182	.229	.303	.532
12	Astros	5/21/1973	0-1	HOU	vs	SFG	L 4-9	.000	36	4	10	1	0	1	4	2	1	4	0	0	39	14	2	0	0	0	1	.278	.333	.389	.722
13	Astros	5/21/1974	1-0	HOU	vs	SDP	W 5-4	1.000	31	5	7	2	0	1	5	4	0	3	2	0	35	12	3	0	0	0	0	.226	.314	.387	.701
14	Astros	5/21/1975	1-0	HOU	vs	PHI	W 4-0	1.000	26	4	6	2	1	0	4	6	0	7	1	1	34	10	3	1	1	1	0	.231	.364	.385	.748
15	Astros	5/21/1976	0-1	HOU	@	LAD	L 1-2	.000	33	1	6	0	0	0	1	1	0	5	0	0	34	6	0	0	0	0	0	.182	.206	.182	.388
16	Astros	5/21/1977	0-1	HOU	vs	PHI	L 4-7	.000	33	4	6	0	1	2	3	5	0	4	4	0	40	14	3	1	1	0	1	.182	.282	.424	.706
17	Astros	5/21/1978	0-1	HOU	vs	ATL	L 4-6	.000	38	4	14	3	0	0	4	1	0	5	1	0	39	17	3	0	0	0	1	.368	.385	.447	.832
18	Astros	5/21/1979	0-1	HOU	@	ATL	L 5-7	.000	27	5	5	0	0	1	3	8	1	3	3	1	37	8	1	0	1	0	2	.185	.378	.296	.675
19	Astros	5/21/1980	0-1	HOU	@	NYM	L 1-5	.000	32	1	4	1	0	1	1	3	0	7	0	0	35	8	2	0	0	0	0	.125	.200	.250	.450
20	Astros	5/21/1981	0-1	HOU	@	STL	L 1-3	.000	30	1	4	0	0	1	1	2	0	1	1	0	32	7	1	0	0	0	1	.133	.188	.233	.421
21	Astros	5/21/1982	1-0	HOU	vs	NYM	W 5-1	1.000	30	5	10	4	1	0	5	2	0	4	1	0	34	16	5	1	1	0	1	.333	.364	.533	.897
22	Astros	5/21/1983	1-0	HOU	@	PIT	W 6-4	1.000	31	6	9	2	1	1	6	4	0	6	1	0	38	16	4	1	2	0	1	.290	.351	.516	.867
23	Astros	5/21/1984	1-0	HOU	@	STL	W 3-2	1.000	36	3	12	0	2	0	2	4	0	6	0	1	40	16	2	0	0	0	0	.333	.400	.444	.844
24	Astros	5/21/1985	0-1	HOU	@	PIT	L 2-3	.000	30	2	5	0	1	0	2	3	0	4	0	0	35	7	1	0	2	0	0	.167	.229	.233	.462
25	Astros	5/21/1986	0-1	HOU	vs	PIT	L 1-2	.000	30	1	5	0	0	0	1	3	0	6	0	0	34	5	0	1	0	0	2	.167	.242	.167	.409
	Total		26-34					.433	1,984	211	479	67	16	56	198	202	18	362	39	15	2,245	746	139	22	19	14	49	.241	.314	.376	.690