The Seattle Mariners launched their most homers in a postseason game in Game 4 of the 1995 ALDS against the Yankees, with 4 home runs.

Interpreted as:

most mariners home runs in a game in the playoffs

	TEAM	HR	DATE	TM		OPP	RESULT	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Mariners	4	10/7/1995	SEA	vs	NYY	W 11-8	37	11	16	0	0	10	5	1	5	0	0	45	28	4	1	1	0	1	.432	.500	.757	1.257
2	Mariners	3	10/17/2025	SEA	vs	TOR	W 6-2	29	6	5	1	0	6	6	1	6	1	0	36	15	4	0	0	0	0	.172	.333	.517	.851
3	Mariners	3	10/15/2025	SEA	vs	TOR	L 4-13	34	4	8	1	0	4	1	0	10	1	0	35	18	4	0	0	0	1	.235	.257	.529	.787
4	Mariners	3	10/13/2025	SEA	@	TOR	W 10-3	36	10	10	0	1	10	6	1	14	1	0	44	21	4	0	1	1	0	.278	.386	.583	.970
5	Mariners	3	10/7/2025	SEA	@	DET	W 8-4	34	8	8	2	0	7	5	1	10	0	1	41	19	5	0	1	0	0	.235	.341	.559	.900
6	Mariners	3	10/20/2001	SEA	@	NYY	W 14-3	45	14	15	1	2	13	7	0	10	2	0	52	29	6	0	0	1	0	.333	.423	.644	1.068
7	Mariners	3	10/11/2001	SEA	vs	CLE	W 5-1	29	5	6	0	0	5	2	0	8	1	0	31	15	3	0	0	0	1	.207	.258	.517	.775
8	Mariners	3	10/3/2000	SEA	@	CWS	W 7-4	39	7	13	1	0	7	4	1	5	1	1	44	23	4	0	0	0	2	.333	.409	.590	.999
9	Mariners	3	10/1/1997	SEA	vs	BAL	L 3-9	33	3	7	2	0	3	1	0	11	0	0	34	18	5	0	0	0	1	.212	.235	.545	.781
10	Mariners	2	10/20/2025	SEA	@	TOR	L 3-4	32	3	8	2	0	3	4	0	9	0	0	37	16	4	1	0	1	1	.250	.333	.500	.833
11	Mariners	2	10/5/2025	SEA	vs	DET	W 3-2	32	3	8	2	0	3	1	0	10	1	0	33	16	4	0	0	0	0	.250	.273	.500	.773
12	Mariners	2	10/11/2022	SEA	@	HOU	L 7-8	37	7	13	2	1	7	1	0	8	0	1	38	23	5	0	0	0	1	.351	.368	.622	.990
13	Mariners	2	10/17/2000	SEA	@	NYY	L 7-9	35	7	10	6	0	7	5	0	8	0	1	40	22	8	0	0	1	0	.286	.375	.629	1.004
14	Mariners	2	10/15/2000	SEA	vs	NYY	W 6-2	30	6	8	0	0	6	6	0	5	1	0	38	14	2	1	1	0	0	.267	.378	.467	.845
15	Mariners	2	10/4/1997	SEA	@	BAL	W 4-2	36	4	11	2	0	4	0	0	10	0	0	36	19	4	0	0	0	0	.306	.306	.528	.833
16	Mariners	2	10/13/1995	SEA	@	CLE	W 5-2	41	5	9	0	0	4	1	1	7	2	1	43	15	2	0	0	1	0	.220	.256	.366	.622
17	Mariners	2	10/11/1995	SEA	vs	CLE	L 2-5	34	2	6	0	0	2	1	1	7	1	0	36	12	2	0	0	1	0	.176	.222	.353	.575
18	Mariners	2	10/8/1995	SEA	vs	NYY	W 6-5	44	6	15	3	0	6	4	0	12	0	0	49	24	5	1	0	1	0	.341	.396	.545	.941
19	Mariners	2	10/4/1995	SEA	@	NYY	L 5-7	56	5	16	3	0	5	3	0	11	0	2	61	25	5	1	1	0	0	.286	.317	.446	.763
20	Mariners	2	10/3/1995	SEA	@	NYY	L 6-9	36	6	9	0	0	6	7	0	6	0	0	43	15	2	0	0	0	0	.250	.372	.417	.789
21	Mariners	1	10/19/2025	SEA	@	TOR	L 2-6	31	2	7	0	0	2	4	0	13	0	0	35	10	1	0	0	0	3	.226	.314	.323	.637
22	Mariners	1	10/16/2025	SEA	vs	TOR	L 2-8	29	2	5	0	0	2	5	0	8	0	0	34	8	1	0	0	0	1	.172	.294	.276	.570
23	Mariners	1	10/12/2025	SEA	@	TOR	W 3-1	34	3	7	1	0	3	3	0	11	2	0	37	11	2	0	0	0	0	.206	.270	.324	.594
24	Mariners	1	10/4/2025	SEA	vs	DET	L 2-3	38	2	6	0	0	2	2	0	8	0	0	40	9	1	0	0	0	1	.158	.200	.237	.437
25	Mariners	1	10/8/2022	SEA	@	TOR	W 10-9	40	10	13	5	0	9	4	0	14	0	0	45	21	6	0	1	2	0	.325	.378	.525	.903