The Seattle Mariners have a 16-26 record on April 30 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	4/30/1977	0-1	SEA	@	NYY	L 2-7	.000	32	2	7	0	0	1	2	4	0	3	0	0	37	10	1	0	1	0	1	.219	.297	.313	.610
2	Mariners	4/30/1978	1-0	SEA	vs	DET	W 4-3	1.000	39	4	12	4	0	0	4	4	0	3	2	0	45	16	4	1	1	0	1	.308	.364	.410	.774
3	Mariners	4/30/1979	0-1	SEA	vs	BAL	L 7-8	.000	37	7	5	1	0	2	7	5	0	14	1	0	42	12	3	0	0	0	0	.135	.238	.324	.562
4	Mariners	4/30/1980	0-1	SEA	@	MIN	L 3-10	.000	33	3	9	1	1	0	3	1	0	5	0	1	36	12	2	1	1	1	1	.273	.286	.364	.649
5	Mariners	4/30/1981	0-1	SEA	vs	DET	L 0-2	.000	28	0	2	0	0	0	0	0	1	2	0	0	29	2	0	0	0	0	1	.071	.103	.071	.175
6	Mariners	4/30/1982	1-0	SEA	@	NYY	W 6-3	1.000	35	6	9	2	0	0	6	1	0	4	2	0	36	11	2	0	0	1	0	.257	.278	.314	.592
7	Mariners	4/30/1983	1-0	SEA	vs	BAL	W 6-2	1.000	31	6	10	0	0	1	6	2	0	7	3	0	33	13	1	0	0	0	2	.323	.364	.419	.783
8	Mariners	4/30/1984	0-1	SEA	@	CAL	L 1-8	.000	29	1	4	0	0	0	0	3	1	7	0	1	33	4	0	0	0	0	1	.138	.242	.138	.380
9	Mariners	4/30/1985	1-0	SEA	vs	MIL	W 4-2	1.000	31	4	11	1	1	1	2	5	0	2	1	0	36	17	3	0	0	0	4	.355	.444	.548	.993
10	Mariners	4/30/1986	0-1	SEA	@	BOS	L 4-9	.000	32	4	6	2	0	0	4	8	0	16	0	1	40	8	2	0	0	0	0	.188	.350	.250	.600
11	Mariners	4/30/1987	1-0	SEA	vs	BOS	W 11-2	1.000	38	11	11	3	0	3	10	3	1	10	3	0	42	23	6	0	0	0	0	.289	.357	.605	.962
12	Mariners	4/30/1988	0-1	SEA	@	DET	L 3-4	.000	42	3	8	1	0	2	3	2	0	6	0	1	44	15	3	0	0	0	0	.190	.227	.357	.584
13	Mariners	4/30/1989	0-1	SEA	vs	BAL	L 3-4	.000	33	3	8	1	0	1	3	1	0	3	0	0	34	12	2	0	0	0	2	.242	.265	.364	.628
14	Mariners	4/30/1990	0-1	SEA	@	BOS	L 0-11	.000	33	0	6	0	0	0	0	2	0	4	0	0	35	6	0	0	0	0	0	.182	.229	.182	.410
15	Mariners	4/30/1991	1-0	SEA	@	BAL	W 6-3	1.000	35	6	10	0	1	2	5	3	0	3	0	1	38	18	3	0	0	0	2	.286	.342	.514	.856
16	Mariners	4/30/1993	0-1	SEA	@	NYY	L 0-3	.000	29	0	4	1	0	0	0	7	0	11	1	0	37	5	1	1	0	2	1	.138	.306	.172	.478
17	Mariners	4/30/1994	0-1	SEA	vs	BAL	L 4-6	.000	35	4	10	0	0	2	4	1	0	3	0	0	36	16	2	0	0	0	1	.286	.306	.457	.763
18	Mariners	4/30/1995	0-1	SEA	vs	DET	L 1-10	.000	33	1	6	1	0	0	1	3	0	6	1	0	36	7	1	0	0	0	0	.182	.250	.212	.462
19	Mariners	4/30/1996	1-0	SEA	@	TEX	W 8-0	1.000	44	8	19	6	0	1	8	3	0	6	0	1	49	28	7	1	1	1	0	.432	.458	.636	1.095
20	Mariners	4/30/1997	0-1	SEA	@	NYY	L 2-3	.000	34	2	8	2	0	1	2	0	0	11	0	0	35	13	3	0	1	0	0	.235	.229	.382	.611
21	Mariners	4/30/1998	0-1	SEA	@	NYY	L 8-9	.000	40	8	11	1	0	3	8	2	1	8	2	1	44	21	4	0	1	1	0	.275	.318	.525	.843
22	Mariners	4/30/1999	1-0	SEA	vs	TOR	W 11-9	1.000	33	11	10	0	0	4	11	7	0	3	2	1	41	22	4	0	1	0	0	.303	.415	.667	1.081
23	Mariners	4/30/2000	0-1	SEA	@	KCR	L 3-6	.000	33	3	7	5	0	1	3	5	0	10	0	1	40	15	6	1	1	0	1	.212	.308	.455	.762
24	Mariners	4/30/2002	0-1	SEA	@	CWS	L 4-8	.000	35	4	9	3	1	0	3	1	0	4	0	0	36	14	4	0	0	0	1	.257	.278	.400	.678
25	Mariners	4/30/2003	0-1	SEA	@	NYY	L 5-8	.000	37	5	8	2	0	1	4	5	0	11	1	0	42	13	3	0	0	0	0	.216	.310	.351	.661
	Total		16-26					.381	1,468	174	366	51	5	48	161	143	9	300	32	14	1,637	571	104	8	9	9	40	.249	.318	.389	.707