The Seattle Mariners have a record of 20-25 on May 8 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	5/8/1977	0-1	SEA	@	BAL	L 4-6	.000	37	4	12	1	0	0	2	0	0	4	0	0	37	13	1	0	0	0	2	.324	.324	.351	.676
2	Mariners	5/8/1979	0-1	SEA	@	NYY	L 3-5	.000	35	3	10	1	0	1	3	2	0	8	2	1	38	14	2	1	0	0	1	.286	.324	.400	.724
3	Mariners	5/8/1980	1-0	SEA	vs	DET	W 4-3	1.000	34	4	8	1	0	0	3	5	0	6	0	0	39	9	1	0	0	1	0	.235	.333	.265	.598
4	Mariners	5/8/1981	1-0	SEA	vs	NYY	W 3-2	1.000	27	3	5	1	0	2	3	3	0	4	1	1	30	12	3	0	0	0	1	.185	.267	.444	.711
5	Mariners	5/8/1982	0-1	SEA	vs	NYY	L 4-9	.000	33	4	8	3	0	1	4	4	0	7	0	1	37	14	4	0	0	0	1	.242	.324	.424	.749
6	Mariners	5/8/1983	1-0	SEA	@	BOS	W 4-2	1.000	34	4	11	3	0	1	4	4	0	5	1	1	39	17	4	0	1	1	1	.324	.385	.500	.885
7	Mariners	5/8/1984	0-1	SEA	@	OAK	L 2-3	.000	32	2	8	1	0	0	2	5	1	5	1	1	40	9	1	1	1	1	0	.250	.359	.281	.640
8	Mariners	5/8/1985	1-0	SEA	@	MIL	W 4-2	1.000	38	4	12	2	2	1	4	1	1	4	0	0	41	21	5	1	0	0	0	.316	.350	.553	.903
9	Mariners	5/8/1986	0-1	SEA	vs	BOS	L 2-4	.000	32	2	6	2	1	1	2	3	0	9	0	2	35	13	4	0	0	0	0	.188	.257	.406	.663
10	Mariners	5/8/1987	1-0	SEA	@	MIL	W 4-3	1.000	47	4	11	2	0	1	4	5	0	14	3	0	53	16	3	1	0	1	0	.234	.308	.340	.648
11	Mariners	5/8/1988	0-1	SEA	vs	DET	L 3-9	.000	37	3	10	1	0	1	2	4	0	1	0	0	41	14	2	0	0	0	1	.270	.341	.378	.720
12	Mariners	5/8/1989	0-1	SEA	@	TOR	L 1-10	.000	33	1	6	1	0	0	1	2	0	3	0	0	35	7	1	0	0	0	0	.182	.229	.212	.441
13	Mariners	5/8/1990	1-0	SEA	vs	BOS	W 2-1	1.000	31	2	8	3	0	0	2	5	0	5	1	0	37	11	3	1	0	0	1	.258	.361	.355	.716
14	Mariners	5/8/1991	1-0	SEA	vs	CLE	W 6-2	1.000	33	6	9	3	0	1	6	6	1	4	1	0	41	15	4	0	1	1	0	.273	.390	.455	.845
15	Mariners	5/8/1992	0-1	SEA	vs	DET	L 6-7	.000	37	6	12	1	0	2	6	2	0	8	1	2	39	19	3	0	0	1	0	.324	.359	.514	.872
16	Mariners	5/8/1993	1-0	SEA	vs	MIN	W 7-2	1.000	32	7	9	1	0	4	7	2	0	4	1	0	34	22	5	0	0	0	0	.281	.324	.688	1.011
17	Mariners	5/8/1994	1-0	SEA	@	DET	W 4-3	1.000	33	4	9	1	1	2	4	2	0	3	2	1	36	18	4	1	0	1	1	.273	.314	.545	.860
18	Mariners	5/8/1996	0-1	SEA	vs	MIN	L 5-7	.000	34	5	9	2	0	2	5	6	0	6	0	1	43	17	4	3	0	0	1	.265	.375	.500	.875
19	Mariners	5/8/1997	0-1	SEA	@	BAL	L 3-13	.000	33	3	5	0	0	1	2	3	0	9	0	0	36	8	1	0	0	0	1	.152	.222	.242	.465
20	Mariners	5/8/1998	1-0	SEA	vs	TOR	W 8-3	1.000	32	8	9	4	0	3	8	5	0	6	0	0	37	22	7	0	0	0	0	.281	.378	.688	1.066
21	Mariners	5/8/1999	1-0	SEA	@	NYY	W 14-5	1.000	44	14	19	2	1	2	14	7	0	1	1	0	51	29	5	0	0	2	0	.432	.510	.659	1.169
22	Mariners	5/8/2000	0-1	SEA	@	TEX	L 1-10	.000	33	1	5	1	0	0	0	1	0	5	0	0	34	6	1	0	0	0	0	.152	.176	.182	.358
23	Mariners	5/8/2001	0-1	SEA	@	BOS	L 4-12	.000	35	4	8	2	0	1	4	5	0	8	0	0	40	13	3	0	0	0	1	.229	.325	.371	.696
24	Mariners	5/8/2002	1-0	SEA	vs	TOR	W 5-4	1.000	36	5	10	2	0	0	4	10	1	5	5	0	49	12	2	1	1	1	0	.278	.438	.333	.771
25	Mariners	5/8/2003	0-1	SEA	vs	NYY	L 5-16	.000	37	5	12	2	0	1	5	2	0	5	0	0	39	17	3	0	0	0	2	.324	.359	.459	.818
	Total		20-25					.444	1,540	176	382	68	6	43	167	158	11	295	41	14	1,732	591	117	14	9	16	24	.248	.321	.384	.704