The Seattle Mariners have a record of 20-25 on September 27 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	9/27/1978	1-0	SEA	@	KCR	W 4-2	1.000	32	4	8	2	1	0	4	1	0	1	0	1	34	12	3	0	1	0	0	.250	.265	.375	.640
2	Mariners	9/27/1979	0-1	SEA	@	MIL	L 6-7	.000	42	6	12	1	1	0	5	2	0	4	0	1	44	15	2	0	0	0	1	.286	.318	.357	.675
3	Mariners	9/27/1980	0-1	SEA	vs	TEX	L 3-7	.000	34	3	9	1	0	0	3	0	0	4	3	0	35	10	1	1	0	0	0	.265	.265	.294	.559
4	Mariners	9/27/1981	0-1	SEA	@	KCR	L 3-15	.000	33	3	6	0	0	1	3	1	1	3	0	0	35	9	1	0	0	0	0	.182	.229	.273	.501
5	Mariners	9/27/1982	1-0	SEA	@	CWS	W 8-4	1.000	37	8	12	4	1	1	8	1	0	7	0	0	39	21	6	0	1	0	1	.324	.333	.568	.901
6	Mariners	9/27/1982	0-1	SEA	@	CWS	L 1-4	.000	29	1	6	1	0	0	1	3	0	3	1	2	32	7	1	0	0	0	0	.207	.281	.241	.523
7	Mariners	9/27/1983	1-0	SEA	vs	KCR	W 4-0	1.000	28	4	8	1	1	1	4	3	1	1	0	0	34	14	3	1	1	0	1	.286	.364	.500	.864
8	Mariners	9/27/1984	1-0	SEA	vs	CWS	W 7-2	1.000	37	7	14	1	0	1	7	5	0	6	1	0	42	18	2	0	0	0	1	.378	.452	.486	.939
9	Mariners	9/27/1985	1-0	SEA	vs	TEX	W 6-0	1.000	29	6	7	2	0	1	6	5	0	5	0	1	35	12	3	1	0	1	0	.241	.353	.414	.767
10	Mariners	9/27/1986	0-1	SEA	vs	CLE	L 4-12	.000	34	4	8	2	1	1	4	1	0	7	1	0	36	15	4	0	1	0	0	.235	.250	.441	.691
11	Mariners	9/27/1987	1-0	SEA	vs	TEX	W 5-3	1.000	31	5	8	0	1	2	5	5	0	2	3	1	36	16	3	0	0	0	0	.258	.361	.516	.877
12	Mariners	9/27/1988	1-0	SEA	@	KCR	W 10-3	1.000	38	10	13	3	0	0	10	6	0	6	1	0	45	16	3	0	1	1	2	.342	.422	.421	.843
13	Mariners	9/27/1989	0-1	SEA	vs	CLE	L 1-4	.000	35	1	9	2	0	0	1	0	0	3	0	0	35	11	2	0	0	0	1	.257	.257	.314	.571
14	Mariners	9/27/1991	1-0	SEA	@	CWS	W 10-8	1.000	46	10	14	2	0	3	10	5	0	9	0	0	51	25	5	0	0	0	1	.304	.373	.543	.916
15	Mariners	9/27/1992	0-1	SEA	@	TEX	L 2-3	.000	34	2	9	3	0	0	1	3	0	9	2	0	38	12	3	1	0	0	0	.265	.324	.353	.677
16	Mariners	9/27/1993	0-1	SEA	@	CWS	L 2-4	.000	29	2	4	0	0	0	2	4	0	8	0	0	35	4	0	1	1	0	0	.138	.235	.138	.373
17	Mariners	9/27/1995	0-1	SEA	vs	CAL	L 0-2	.000	29	0	3	0	0	0	0	6	0	8	0	0	35	3	0	0	0	0	1	.103	.257	.103	.361
18	Mariners	9/27/1996	0-1	SEA	@	OAK	L 1-8	.000	33	1	7	1	0	0	1	4	0	7	0	0	37	8	1	0	0	0	1	.212	.297	.242	.540
19	Mariners	9/27/1997	1-0	SEA	vs	OAK	W 9-3	1.000	37	9	13	1	0	3	9	5	0	5	1	0	43	23	4	0	1	0	0	.351	.419	.622	1.040
20	Mariners	9/27/1998	0-1	SEA	vs	TEX	L 6-12	.000	34	6	10	2	0	0	6	8	0	10	2	0	43	12	2	0	1	0	2	.294	.419	.353	.772
21	Mariners	9/27/1999	0-1	SEA	@	TEX	L 2-3	.000	31	2	7	1	1	1	2	4	0	15	0	0	36	13	3	0	1	0	1	.226	.306	.419	.725
22	Mariners	9/27/2000	1-0	SEA	vs	TEX	W 6-4	1.000	31	6	11	2	0	1	5	6	0	10	1	0	39	16	3	1	1	1	0	.355	.447	.516	.963
23	Mariners	9/27/2002	1-0	SEA	@	ANA	W 7-6	1.000	45	7	13	1	0	1	7	5	0	14	4	2	51	17	2	0	1	1	2	.289	.353	.378	.731
24	Mariners	9/27/2003	1-0	SEA	vs	OAK	W 7-4	1.000	35	7	12	5	0	0	7	3	0	7	1	0	38	17	5	0	0	0	1	.343	.395	.486	.880
25	Mariners	9/27/2004	0-1	SEA	@	OAK	L 5-6	.000	33	5	8	1	0	1	5	2	0	5	0	1	36	12	2	0	1	0	0	.242	.278	.364	.641
	Total		20-25					.444	1,531	197	389	71	8	37	191	146	8	318	28	14	1,714	587	116	13	16	10	30	.254	.319	.383	.703