The Seattle Mariners have a record of 20-21 on May 4 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	5/4/1977	0-1	SEA	@	BOS	L 2-5	.000	34	2	8	2	0	0	2	1	1	4	0	0	37	10	2	0	1	0	1	.235	.270	.294	.564
2	Mariners	5/4/1979	0-1	SEA	@	BOS	L 3-5	.000	31	3	5	0	0	2	3	3	0	6	1	1	35	11	2	0	1	0	0	.161	.229	.355	.583
3	Mariners	5/4/1980	0-1	SEA	@	CAL	L 3-4	.000	33	3	7	3	0	1	3	2	0	7	0	0	36	13	4	1	0	0	0	.212	.257	.394	.651
4	Mariners	5/4/1981	0-1	SEA	vs	MIL	L 5-9	.000	34	5	8	2	0	1	5	3	0	5	1	0	37	13	3	0	0	0	0	.235	.297	.382	.680
5	Mariners	5/4/1982	1-0	SEA	@	BAL	W 4-3	1.000	36	4	10	1	0	1	3	2	0	1	0	0	38	14	2	0	0	0	0	.278	.316	.389	.705
6	Mariners	5/4/1983	1-0	SEA	vs	DET	W 5-1	1.000	32	5	11	3	0	2	5	6	0	7	2	1	38	20	5	0	0	1	1	.344	.447	.625	1.072
7	Mariners	5/4/1984	0-1	SEA	vs	CAL	L 1-4	.000	27	1	3	1	0	0	1	3	0	2	0	1	30	4	1	0	0	0	2	.111	.200	.148	.348
8	Mariners	5/4/1985	1-0	SEA	vs	TOR	W 8-1	1.000	33	8	10	3	0	1	8	3	1	5	1	0	38	16	4	0	1	0	0	.303	.368	.485	.853
9	Mariners	5/4/1986	0-1	SEA	@	TOR	L 2-3	.000	31	2	8	3	0	0	2	4	0	8	0	0	35	11	3	0	0	0	3	.258	.343	.355	.698
10	Mariners	5/4/1988	1-0	SEA	vs	CLE	W 5-4	1.000	34	5	9	2	1	1	5	3	0	3	0	0	37	16	4	0	0	0	0	.265	.324	.471	.795
11	Mariners	5/4/1990	0-1	SEA	vs	BAL	L 8-9	.000	36	8	10	2	0	2	7	4	0	4	1	1	41	18	4	0	1	0	1	.278	.341	.500	.841
12	Mariners	5/4/1991	1-0	SEA	vs	NYY	W 3-2	1.000	30	3	7	0	0	1	3	3	0	7	2	0	33	10	1	0	0	0	2	.233	.303	.333	.636
13	Mariners	5/4/1992	0-1	SEA	vs	NYY	L 5-7	.000	32	5	6	4	0	1	5	1	0	7	0	0	34	13	5	1	0	0	0	.188	.212	.406	.618
14	Mariners	5/4/1993	1-0	SEA	@	BOS	W 7-6	1.000	36	7	13	2	0	0	6	6	0	8	0	0	45	15	2	1	2	2	2	.361	.432	.417	.848
15	Mariners	5/4/1994	0-1	SEA	@	BOS	L 2-4	.000	32	2	5	0	0	1	2	0	0	5	1	0	32	8	1	0	0	0	0	.156	.156	.250	.406
16	Mariners	5/4/1996	1-0	SEA	vs	CLE	W 5-1	1.000	31	5	8	2	0	3	5	0	0	7	0	0	32	19	5	0	1	0	0	.258	.250	.613	.863
17	Mariners	5/4/1997	1-0	SEA	vs	MIL	W 9-0	1.000	36	9	12	5	0	0	8	2	1	9	0	0	40	17	5	0	1	0	0	.333	.375	.472	.847
18	Mariners	5/4/2001	0-1	SEA	vs	TOR	L 3-8	.000	33	3	6	0	0	1	3	2	0	5	0	0	36	9	1	1	0	1	0	.182	.229	.273	.501
19	Mariners	5/4/2002	1-0	SEA	@	NYY	W 9-5	1.000	37	9	11	1	0	4	8	4	0	6	1	1	41	24	5	0	0	2	1	.297	.366	.649	1.015
20	Mariners	5/4/2003	1-0	SEA	@	CWS	W 5-1	1.000	22	5	9	1	0	3	5	1	0	2	0	0	24	19	4	1	0	0	2	.409	.435	.864	1.298
21	Mariners	5/4/2004	1-0	SEA	vs	MIN	W 4-3	1.000	55	4	13	1	0	1	4	7	2	14	0	2	65	17	2	1	0	1	1	.236	.344	.309	.653
22	Mariners	5/4/2005	0-1	SEA	vs	LAA	L 2-5	.000	36	2	10	1	0	0	2	0	0	6	0	0	36	11	1	0	0	0	0	.278	.278	.306	.583
23	Mariners	5/4/2006	0-1	SEA	@	CWS	L 1-4	.000	32	1	5	1	0	0	1	3	0	5	0	0	35	6	1	0	0	0	0	.156	.229	.188	.416
24	Mariners	5/4/2007	1-0	SEA	@	NYY	W 15-11	1.000	45	15	20	6	0	3	15	4	1	3	0	0	50	35	9	0	0	0	2	.444	.500	.778	1.278
25	Mariners	5/4/2008	0-1	SEA	@	NYY	L 2-8	.000	34	2	7	0	0	1	2	0	0	5	1	0	34	10	1	0	0	0	0	.206	.206	.294	.500
	Total		20-21					.488	1,388	190	352	71	4	52	182	103	11	270	19	10	1,521	587	127	7	12	8	32	.254	.308	.423	.731