Bret Boone hit the most home runs for the Mariners in 2004, with 24 homers.

	NAME	HR	SEASON	TM	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	wRC	WRAA	wOBA	wRC+	BRAA
1	Bret Boone B. Boone	24	2004	SEA	148	593	74	149	30	0	83	56	3	135	10	5	658	251	54	2	4	2	18	.251	.317	.423	.740	76	-5.1	.321	95	-4.3
2	Raul Ibanez R. Ibanez	16	2004	SEA	123	481	67	146	31	1	62	36	3	72	1	2	524	227	48	0	4	5	10	.304	.353	.472	.825	75	10.2	.353	116	10.8
3	Randy Winn R. Winn	14	2004	SEA	157	626	84	179	34	6	81	53	8	98	21	7	703	267	54	9	7	1	16	.286	.346	.427	.772	91	4	.337	105	4.8
4	Edgar Martinez E. Martinez	12	2004	SEA	141	486	45	128	23	0	63	58	2	107	1	0	549	187	35	0	3	10	15	.263	.342	.385	.727	62	-6.3	.317	92	-5.7
5	Scott Spiezio S. Spiezio	10	2004	SEA	112	367	38	79	12	3	41	36	4	60	4	1	415	127	25	2	6	2	7	.215	.288	.346	.634	33	-18.1	.279	67	-17.6
6	Bucky Jacobsen B. Jacobsen	9	2004	SEA	42	160	17	44	9	0	28	14	1	47	0	0	176	80	18	0	1	0	3	.275	.335	.500	.835	26	4	.357	119	4.2
7	Ichiro Suzuki I. Suzuki	8	2004	SEA	161	704	101	262	24	5	60	49	4	63	36	11	762	320	37	2	3	19	6	.372	.414	.455	.869	124	29.1	.375	131	30
8	Jolbert Cabrera J. Cabrera	6	2004	SEA	113	359	38	97	19	2	47	16	8	70	10	3	391	138	27	3	5	1	13	.270	.312	.384	.696	40	-8.8	.304	83	-8.3
9	Justin Leone J. Leone	6	2004	SEA	31	102	15	22	5	0	13	9	3	32	1	0	115	45	11	1	0	0	0	.216	.298	.441	.739	13	-1	.320	94	-0.8
10	Miguel Olivo M. Olivo	6	2004	SEA	50	160	25	32	8	2	14	10	3	55	2	2	173	62	16	0	0	1	2	.200	.260	.388	.648	14	-7.7	.278	66	-7.5
11	Jose Lopez J. Lopez	5	2004	SEA	57	207	28	48	13	0	22	8	1	31	0	1	218	76	18	1	1	0	1	.232	.263	.367	.630	16	-10.6	.273	63	-10.3
12	John Olerud J. Olerud	5	2004	SEA	78	261	29	64	13	1	22	40	6	41	0	0	312	94	19	1	4	3	6	.245	.354	.360	.714	36	-2.9	.319	94	-2.5
13	Rich Aurilia R. Aurilia	4	2004	SEA	73	261	27	63	13	0	28	22	2	43	1	0	292	88	17	6	1	1	10	.241	.304	.337	.641	25	-11	.286	71	-10.7
14	Hiram Bocachica H. Bocachica	3	2004	SEA	50	90	9	22	5	0	6	12	1	27	5	4	107	36	8	3	1	0	1	.244	.337	.400	.737	13	-0.4	.326	98	-0.3
15	Willie Bloomquist W. Bloomquist	2	2004	SEA	93	188	27	46	10	0	18	10	0	48	13	2	201	62	12	3	0	0	2	.245	.283	.330	.613	15	-10	.271	62	-9.8
16	Dave Hansen D. Hansen	2	2004	SEA	57	78	14	22	5	0	12	18	0	16	0	0	97	33	7	0	1	3	3	.282	.412	.423	.835	15	2.7	.363	123	2.8
17	Dan Wilson D. Wilson	2	2004	SEA	103	319	23	80	13	0	33	26	1	57	0	1	359	99	15	8	5	0	8	.251	.305	.310	.615	28	-16.2	.277	66	-15.8
18	Pat Borders P. Borders	1	2004	SEA	19	53	6	10	2	0	5	1	0	12	1	1	55	15	3	1	0	0	2	.189	.204	.283	.487	1	-5.5	.211	22	-5.5
19	Greg Dobbs G. Dobbs	1	2004	SEA	18	53	4	12	1	0	9	1	1	14	0	0	56	16	2	0	1	0	0	.226	.250	.302	.552	3	-4.2	.242	43	-4.1