The Seattle Mariners have a record of 20-24 on July 31 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	7/31/1977	1-0	SEA	vs	BAL	W 6-1	1.000	32	6	10	2	1	1	6	1	0	3	0	1	34	17	4	0	1	0	0	.313	.324	.531	.855
2	Mariners	7/31/1979	0-1	SEA	@	CAL	L 1-8	.000	30	1	5	0	0	0	1	1	1	6	0	0	33	5	0	1	0	0	1	.167	.219	.167	.385
3	Mariners	7/31/1982	1-0	SEA	@	CAL	W 9-3	1.000	41	9	14	3	0	2	9	2	0	6	0	0	43	23	5	0	0	0	1	.341	.372	.561	.933
4	Mariners	7/31/1983	1-0	SEA	@	MIN	W 3-2	1.000	34	3	8	4	0	0	2	3	0	11	1	0	37	12	4	0	0	1	0	.235	.297	.353	.650
5	Mariners	7/31/1984	0-1	SEA	@	MIN	L 2-9	.000	33	2	5	1	0	0	2	3	0	5	0	0	37	6	1	0	1	0	0	.152	.216	.182	.398
6	Mariners	7/31/1985	1-0	SEA	vs	MIN	W 12-3	1.000	38	12	16	2	2	2	11	1	0	3	0	0	41	28	6	0	2	0	0	.421	.415	.737	1.151
7	Mariners	7/31/1987	0-1	SEA	@	CAL	L 2-8	.000	32	2	10	1	0	1	2	3	0	2	0	1	35	14	2	0	0	0	4	.313	.371	.438	.809
8	Mariners	7/31/1988	0-1	SEA	vs	OAK	L 2-6	.000	30	2	4	1	0	2	2	4	0	4	0	0	34	11	3	0	0	0	1	.133	.235	.367	.602
9	Mariners	7/31/1989	1-0	SEA	vs	CAL	W 6-5	1.000	34	6	11	1	0	1	6	4	0	7	0	0	38	15	2	0	0	0	0	.324	.395	.441	.836
10	Mariners	7/31/1990	1-0	SEA	@	OAK	W 7-2	1.000	31	7	9	3	0	0	6	7	1	2	0	1	40	12	3	0	1	1	3	.290	.425	.387	.812
11	Mariners	7/31/1991	0-1	SEA	vs	BAL	L 2-4	.000	42	2	9	2	0	1	2	2	1	5	0	0	45	14	3	0	0	1	0	.214	.267	.333	.600
12	Mariners	7/31/1992	1-0	SEA	@	CWS	W 6-3	1.000	37	6	11	2	0	1	5	7	0	4	0	1	44	16	3	0	0	0	0	.297	.409	.432	.842
13	Mariners	7/31/1993	0-1	SEA	vs	CWS	L 10-13	.000	39	10	13	4	0	0	7	8	0	7	0	1	48	17	4	1	0	0	1	.333	.447	.436	.883
14	Mariners	7/31/1994	0-1	SEA	@	CWS	L 1-8	.000	29	1	4	1	0	0	1	2	0	3	0	0	32	5	1	1	0	0	0	.138	.194	.172	.366
15	Mariners	7/31/1996	1-0	SEA	@	MIL	W 9-3	1.000	37	9	11	0	0	7	9	2	1	7	0	0	40	32	7	0	0	0	1	.297	.350	.865	1.215
16	Mariners	7/31/1997	0-1	SEA	@	MIL	L 1-2	.000	31	1	6	1	1	0	1	1	0	10	0	0	33	9	2	1	0	0	0	.194	.219	.290	.509
17	Mariners	7/31/1998	0-1	SEA	vs	NYY	L 3-5	.000	32	3	6	2	0	3	3	2	0	8	0	0	34	17	5	0	0	0	1	.188	.235	.531	.767
18	Mariners	7/31/1999	1-0	SEA	vs	BAL	W 5-2	1.000	30	5	9	2	0	2	5	5	0	9	0	2	35	17	4	0	0	0	0	.300	.400	.567	.967
19	Mariners	7/31/2000	0-1	SEA	vs	BOS	L 5-8	.000	27	5	3	0	0	1	5	7	0	5	5	1	36	6	1	2	0	0	0	.111	.294	.222	.516
20	Mariners	7/31/2001	0-1	SEA	@	DET	L 2-4	.000	31	2	6	1	0	0	2	3	0	7	1	0	35	7	1	0	1	0	0	.194	.257	.226	.483
21	Mariners	7/31/2002	1-0	SEA	vs	DET	W 5-2	1.000	32	5	9	1	0	1	4	6	0	3	4	0	38	13	2	0	0	1	0	.281	.395	.406	.801
22	Mariners	7/31/2003	1-0	SEA	vs	DET	W 4-0	1.000	28	4	6	2	1	1	4	6	0	6	1	0	34	13	4	0	0	1	2	.214	.353	.464	.817
23	Mariners	7/31/2004	0-1	SEA	@	ANA	L 8-9	.000	46	8	14	0	0	3	7	2	1	8	1	0	50	23	3	1	0	1	1	.304	.347	.500	.847
24	Mariners	7/31/2005	0-1	SEA	vs	CLE	L 7-9	.000	41	7	14	5	0	0	7	5	0	5	0	0	46	19	5	0	0	0	0	.341	.413	.463	.876
25	Mariners	7/31/2006	1-0	SEA	@	BAL	W 10-5	1.000	39	10	13	3	0	2	9	3	0	7	0	0	43	22	5	0	1	1	1	.333	.372	.564	.936
	Total		20-24					.455	1,542	210	400	72	9	53	194	142	13	297	25	13	1,718	649	134	9	12	10	32	.259	.325	.421	.746