Jorge Polanco has the most career total bases by an active Mariners player, with 1,629 bases.

	NAME	TB	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Jorge Polanco J. Polanco	1,629	998	3,727	505	977	198	20	138	522	360	27	801	56	32	4,165	356	17	34	6	62	.262	.329	.437	.766	547	45.6	.329	110	48.7
2	J.P. Crawford	1,108	831	3,000	423	742	156	15	60	308	405	37	650	29	14	3,473	231	13	18	2	44	.247	.342	.369	.712	421	4.6	.317	106	25.1
3	Randy Arozarena R. Arozarena	1,082	699	2,511	381	629	139	10	98	339	292	81	751	109	43	2,902	247	0	18	7	47	.250	.345	.431	.776	405	61.3	.339	124	81.5
4	Donovan Solano D. Solano	1,057	951	2,812	281	777	142	9	40	281	195	47	589	15	5	3,088	191	14	20	8	61	.276	.331	.376	.707	354	-6.5	.311	97	-9.4
5	Rowdy Tellez R. Tellez	963	715	2,210	260	514	101	3	114	343	201	21	555	4	3	2,453	218	0	21	19	63	.233	.300	.436	.736	291	-2	.313	98	-7.6
6	Julio Rodríguez J. Rodríguez	909	489	1,974	300	540	85	7	90	278	145	30	527	95	25	2,154	182	0	5	12	37	.274	.332	.460	.792	303	49.5	.342	127	67.9
7	Mitch Garver M. Garver	836	602	1,885	264	441	89	6	98	289	250	24	580	5	2	2,171	193	1	11	3	41	.234	.329	.444	.773	294	34.4	.333	114	38.2
8	Cal Raleigh C. Raleigh	834	524	1,788	243	400	82	2	116	297	206	13	580	13	2	2,021	200	0	14	8	24	.224	.306	.466	.773	267	28.9	.331	120	45.6
9	Victor Robles V. Robles	695	617	1,883	257	467	101	11	35	185	130	79	478	103	26	2,142	147	33	17	6	26	.248	.321	.369	.690	236	-22.9	.302	89	-29.1
10	Leody Taveras L. Taveras	644	530	1,758	212	417	80	12	41	176	126	4	467	75	19	1,912	133	12	12	0	16	.237	.288	.366	.654	184	-43.5	.286	82	-41
11	Dylan Moore D. Moore	613	629	1,565	232	330	81	11	60	189	194	52	543	112	40	1,823	152	3	9	3	31	.211	.316	.392	.708	213	-5.1	.311	104	7.1
12	Luke Raley L. Raley	420	334	956	136	225	47	5	46	123	74	50	332	27	6	1,089	98	3	6	1	6	.235	.321	.439	.761	144	15.1	.331	119	23.3
13	Miles Mastrobuoni M. Mastrobuoni	93	164	343	46	76	11	0	2	17	33	0	72	18	4	384	13	6	2	0	3	.222	.288	.271	.559	27	-18.2	.255	63	-16.8
14	Ben Williamson B. Williamson	44	42	148	21	36	5	0	1	13	6	1	40	1	1	155	6	0	0	0	4	.243	.277	.297	.575	11	-6.8	.258	69	-5.4
15	Ryan Bliss R. Bliss	36	44	98	11	21	4	1	3	12	9	1	33	7	5	110	8	2	0	0	3	.214	.287	.367	.654	11	-1.9	.289	93	-0.9
16	Luis Castillo L. Castillo	26	106	200	8	22	4	0	0	5	4	0	90	0	0	224	4	20	0	0	2	.110	.127	.130	.257	-11	-37.7	.115	-40	-40.1
17	Trent Thornton T. Thornton	2	6	3	2	2	0	0	0	0	0	0	0	0	0	3	0	0	0	0	0	.667	.667	.667	1.333	1	0.7	.580	275	0.7
18	Cole Young C. Young	1	4	13	0	1	0	0	0	1	1	0	5	0	0	14	0	0	0	0	0	.077	.143	.077	.220	-1	-2.2	.113	-33	-2.1