The Seattle Mariners have a record of 18-23 on April 9 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	4/9/1977	1-0	SEA	vs	CAL	W 5-1	1.000	29	5	8	1	0	0	5	5	1	4	0	0	37	9	1	2	0	0	1	.276	.400	.310	.710
2	Mariners	4/9/1978	0-1	SEA	vs	MIN	L 6-8	.000	34	6	9	0	0	2	6	5	0	1	0	0	39	15	2	0	0	0	2	.265	.359	.441	.800
3	Mariners	4/9/1979	1-0	SEA	vs	OAK	W 5-2	1.000	31	5	9	0	0	0	4	8	0	4	3	0	40	9	0	1	0	0	0	.290	.436	.290	.726
4	Mariners	4/9/1980	1-0	SEA	vs	TOR	W 8-6	1.000	34	8	12	2	1	1	8	2	0	4	0	0	38	19	4	2	0	1	1	.353	.389	.559	.948
5	Mariners	4/9/1981	0-1	SEA	vs	CAL	L 2-6	.000	32	2	6	0	1	1	2	1	0	5	0	0	33	11	2	0	0	0	1	.188	.212	.344	.556
6	Mariners	4/9/1982	0-1	SEA	@	OAK	L 3-5	.000	32	3	8	2	0	0	3	4	0	6	0	2	36	10	2	0	0	0	1	.250	.333	.313	.646
7	Mariners	4/9/1983	1-0	SEA	vs	MIN	W 3-2	1.000	30	3	7	2	0	0	3	3	0	3	1	1	33	9	2	0	0	1	0	.233	.303	.300	.603
8	Mariners	4/9/1985	1-0	SEA	vs	OAK	W 6-3	1.000	36	6	13	2	1	0	6	0	0	4	2	0	37	17	3	1	0	0	1	.361	.361	.472	.833
9	Mariners	4/9/1986	0-1	SEA	vs	CAL	L 5-9	.000	34	5	11	3	0	0	5	2	0	4	1	1	37	14	3	1	0	0	1	.324	.361	.412	.773
10	Mariners	4/9/1987	1-0	SEA	@	CAL	W 7-2	1.000	35	7	9	4	0	2	7	5	1	5	2	1	41	19	6	0	0	0	0	.257	.366	.543	.909
11	Mariners	4/9/1988	1-0	SEA	@	CWS	W 3-2	1.000	35	3	10	3	0	0	3	1	1	1	0	0	38	13	3	0	1	0	2	.286	.316	.371	.687
12	Mariners	4/9/1989	0-1	SEA	@	CAL	L 5-13	.000	32	5	7	2	0	1	5	1	0	5	0	0	34	12	3	0	1	0	1	.219	.235	.375	.610
13	Mariners	4/9/1990	1-0	SEA	@	CAL	W 7-4	1.000	40	7	15	2	0	1	7	1	0	2	0	1	41	20	3	0	0	0	0	.375	.390	.500	.890
14	Mariners	4/9/1991	0-1	SEA	vs	CAL	L 2-3	.000	33	2	6	2	0	0	2	2	0	5	0	0	35	8	2	0	0	0	0	.182	.229	.242	.471
15	Mariners	4/9/1992	0-1	SEA	vs	TEX	L 1-9	.000	33	1	8	3	0	0	1	0	0	4	0	0	33	11	3	0	0	0	2	.242	.242	.333	.576
16	Mariners	4/9/1993	1-0	SEA	vs	BAL	W 6-0	1.000	28	6	6	1	0	0	6	7	0	3	2	1	37	7	1	0	2	0	0	.214	.351	.250	.601
17	Mariners	4/9/1994	0-1	SEA	@	TOR	L 6-8	.000	36	6	9	1	0	3	6	3	0	7	0	0	39	19	4	0	0	0	0	.250	.308	.528	.835
18	Mariners	4/9/1996	0-1	SEA	@	DET	L 9-10	.000	39	9	12	6	2	2	8	6	0	8	0	0	45	28	10	0	0	0	0	.308	.400	.718	1.118
19	Mariners	4/9/1997	1-0	SEA	vs	CLE	W 11-1	1.000	36	11	13	3	0	3	10	5	1	5	0	0	42	25	6	0	0	0	1	.361	.452	.694	1.147
20	Mariners	4/9/1999	1-0	SEA	vs	OAK	W 6-1	1.000	32	6	10	2	0	1	6	4	2	9	1	0	38	15	3	0	0	0	2	.313	.421	.469	.890
21	Mariners	4/9/2000	1-0	SEA	vs	NYY	W 9-3	1.000	30	9	9	2	0	1	9	6	0	6	1	1	38	14	3	1	1	0	1	.300	.405	.467	.872
22	Mariners	4/9/2002	1-0	SEA	@	ANA	W 5-1	1.000	33	5	9	2	0	1	4	3	0	9	1	1	36	14	3	0	0	0	0	.273	.333	.424	.758
23	Mariners	4/9/2003	0-1	SEA	vs	ANA	L 1-5	.000	35	1	8	0	1	1	1	2	2	6	0	0	39	13	2	0	0	0	0	.229	.308	.371	.679
24	Mariners	4/9/2004	0-1	SEA	@	OAK	L 6-8	.000	39	6	13	5	0	0	6	2	1	6	0	0	42	18	5	0	0	1	1	.333	.381	.462	.842
25	Mariners	4/9/2005	0-1	SEA	vs	TEX	L 6-7	.000	37	6	11	1	0	0	5	1	0	9	0	0	39	12	1	1	0	0	1	.297	.316	.324	.640
	Total		18-23					.439	1,386	199	354	79	6	35	191	136	18	250	23	12	1,562	550	120	11	11	4	32	.255	.328	.397	.724