The Seattle Mariners have a record of 18-24 on August 12 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	Mariners	8/12/1977	0-1	SEA	@	BOS	L 2-7	.000	33	2	8	2	0	1	2	2	0	7	0	0	35	13	3	0	0	0	2	.242	.286	.394	.680
2	Mariners	8/12/1978	0-1	SEA	vs	CAL	L 5-7	.000	38	5	10	1	0	1	5	4	0	9	1	2	42	14	2	0	0	0	0	.263	.333	.368	.702
3	Mariners	8/12/1978	1-0	SEA	vs	CAL	W 5-3	1.000	29	5	8	1	0	1	5	3	0	5	2	0	34	12	2	2	0	1	2	.276	.344	.414	.758
4	Mariners	8/12/1979	0-1	SEA	@	CAL	L 3-4	.000	31	3	8	2	0	0	3	3	0	2	0	0	36	10	2	1	1	1	2	.258	.314	.323	.637
5	Mariners	8/12/1980	0-1	SEA	vs	CAL	L 6-9	.000	34	6	8	2	0	2	6	5	1	4	1	0	41	16	4	0	1	0	0	.235	.341	.471	.812
6	Mariners	8/12/1981	0-1	SEA	vs	CAL	L 1-4	.000	36	1	4	1	0	1	1	0	1	7	0	0	37	8	2	0	0	0	0	.111	.135	.222	.357
7	Mariners	8/12/1983	1-0	SEA	@	CAL	W 7-6	1.000	35	7	12	1	0	1	7	7	0	4	1	1	44	16	2	1	1	1	2	.343	.442	.457	.899
8	Mariners	8/12/1984	0-1	SEA	vs	MIN	L 0-3	.000	31	0	6	1	0	0	0	1	1	4	0	1	33	7	1	0	0	0	1	.194	.242	.226	.468
9	Mariners	8/12/1985	1-0	SEA	vs	CAL	W 6-5	1.000	37	6	10	2	0	4	6	1	0	8	0	0	38	24	6	0	0	0	0	.270	.289	.649	.938
10	Mariners	8/12/1985	0-1	SEA	vs	CAL	L 3-4	.000	33	3	7	1	1	1	3	4	1	8	1	1	38	13	3	0	0	0	0	.212	.316	.394	.710
11	Mariners	8/12/1986	0-1	SEA	@	OAK	L 2-3	.000	32	2	6	0	0	2	2	7	1	5	1	1	40	12	2	0	0	1	2	.188	.350	.375	.725
12	Mariners	8/12/1987	1-0	SEA	vs	OAK	W 4-3	1.000	30	4	7	2	0	2	4	3	1	9	0	0	34	15	4	0	0	1	0	.233	.324	.500	.824
13	Mariners	8/12/1988	0-1	SEA	vs	CWS	L 2-7	.000	31	2	4	0	0	2	2	2	0	5	2	0	33	10	2	0	0	0	0	.129	.182	.323	.504
14	Mariners	8/12/1989	1-0	SEA	vs	CWS	W 4-3	1.000	35	4	9	1	0	2	4	1	2	4	2	1	39	16	3	0	1	0	1	.257	.308	.457	.765
15	Mariners	8/12/1990	0-1	SEA	vs	BOS	L 2-7	.000	30	2	6	0	0	1	2	5	0	4	0	0	36	9	1	1	0	1	1	.200	.314	.300	.614
16	Mariners	8/12/1991	1-0	SEA	vs	OAK	W 6-3	1.000	27	6	6	0	0	2	6	4	0	0	0	0	33	12	2	1	1	1	1	.222	.313	.444	.757
17	Mariners	8/12/1992	1-0	SEA	vs	KCR	W 6-3	1.000	33	6	9	2	0	1	5	6	0	5	1	1	40	14	3	0	1	1	0	.273	.375	.424	.799
18	Mariners	8/12/1995	0-1	SEA	@	KCR	L 2-7	.000	30	2	3	1	0	0	2	4	0	6	0	0	34	4	1	0	0	0	0	.100	.206	.133	.339
19	Mariners	8/12/1996	0-1	SEA	vs	KCR	L 4-10	.000	36	4	12	1	0	1	3	2	1	4	0	0	39	16	2	0	0	0	3	.333	.385	.444	.829
20	Mariners	8/12/1997	0-1	SEA	vs	MIL	L 3-5	.000	31	3	6	3	0	2	3	3	1	9	0	0	36	15	5	1	0	1	1	.194	.286	.484	.770
21	Mariners	8/12/1998	0-1	SEA	@	TOR	L 5-11	.000	34	5	7	1	0	1	3	4	0	8	3	0	38	11	2	0	0	0	0	.206	.289	.324	.613
22	Mariners	8/12/2000	0-1	SEA	vs	CLE	L 4-5	.000	33	4	7	2	0	0	4	4	0	9	0	0	38	9	2	1	0	0	0	.212	.297	.273	.570
23	Mariners	8/12/2001	1-0	SEA	vs	CWS	W 2-1	1.000	30	2	9	4	0	0	2	1	0	7	0	1	32	13	4	0	1	1	0	.300	.313	.433	.746
24	Mariners	8/12/2003	1-0	SEA	vs	TOR	W 3-1	1.000	28	3	6	1	0	0	3	2	0	5	1	1	30	7	1	0	0	0	1	.214	.267	.250	.517
25	Mariners	8/12/2004	0-1	SEA	vs	MIN	L 3-6	.000	35	3	9	0	0	2	3	2	0	10	0	0	37	15	2	0	0	0	1	.257	.297	.429	.726
	Total		18-24					.429	1,398	149	328	62	3	46	140	127	14	273	25	16	1,561	534	111	11	11	12	30	.235	.303	.382	.685