The Chicago Cubs have an over/under record of 8-8 versus the Mariners all-time.

	TEAM	DATE	O/U REC	TM			OPP		RESULT	SPREAD	ATS DIFF	O/U	O/U DIFF	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Cubs	7/29/2016	1-0	CHC	-166	vs	SEA	+156	W 12-1	-1.5	+9.5 (Y)	7	+6 (O)	35	12	14	3	0	2	11	6	0	5	2	0	43	23	5	1	1	0	1	.400	.476	.657	1.133
2	Cubs	7/30/2016	0-1	CHC	-240	vs	SEA	+215	L 1-4	-1.5	-4.5 (N)	7.5	-2.5 (U)	29	1	3	0	0	0	1	2	0	14	0	1	32	3	0	1	0	0	0	.103	.161	.103	.265
3	Cubs	7/31/2016	1-0	CHC	-160	vs	SEA	+150	W 7-6	-1.5	-0.5 (N)	8.5	+4.5 (O)	44	7	9	2	1	0	6	6	2	16	1	0	53	13	3	1	0	0	0	.205	.327	.295	.622
4	Cubs	4/30/2019	1-0	CHC	-131	@	SEA	+118	W 6-5	-1.5	-0.5 (N)	9	+2 (O)	36	6	10	2	0	3	6	3	1	11	1	0	40	21	5	0	0	0	1	.278	.350	.583	.933
5	Cubs	5/1/2019	1-0	CHC	-102	@	SEA	-108	W 11-0	-1.5	+9.5 (Y)	8.5	+2.5 (O)	34	11	10	3	0	3	11	5	0	8	0	0	43	22	6	0	4	0	0	.294	.349	.647	.996
6	Cubs	9/2/2019	0-1	CHC	-300	vs	SEA	+250	W 5-1	-1.5	+2.5 (Y)	9	-3 (U)	30	5	7	2	1	0	5	6	2	10	1	1	38	11	3	0	0	1	1	.233	.395	.367	.761
7	Cubs	9/3/2019	0-1	CHC	-260	vs	SEA	+220	W 6-1	-1.5	+3.5 (Y)	10	-3 (U)	30	6	8	1	0	3	6	5	0	8	1	0	36	18	4	0	1	0	1	.267	.361	.600	.961
8	Cubs	4/10/2023	0-1	CHC	+131	vs	SEA	-153	W 3-2	+1.5	+2.5 (Y)	9	-4 (U)	35	3	8	2	0	0	3	2	0	9	3	0	37	10	2	0	0	0	0	.229	.270	.286	.556
9	Cubs	4/11/2023	1-0	CHC	-119	vs	SEA	+100	W 14-9	-1.5	+3.5 (Y)	10.5	+12.5 (O)	40	14	18	3	0	2	14	4	1	4	1	1	45	27	5	0	0	0	1	.450	.511	.675	1.186
10	Cubs	4/12/2023	0-1	CHC	-106	vs	SEA	-114	L 2-5	+1.5	-1.5 (N)	11	-4 (U)	31	2	5	0	0	1	2	1	0	9	0	0	33	8	1	0	1	0	0	.161	.182	.258	.440
11	Cubs	4/12/2024	0-1	CHC	+109	@	SEA	-130	L 2-4	+1.5	-0.5 (N)	8	-2 (U)	32	2	4	1	0	1	1	3	0	7	0	0	35	8	2	0	0	0	0	.125	.200	.250	.450
12	Cubs	4/13/2024	0-1	CHC	-139	@	SEA	+117	W 4-1	-1.5	+1.5 (Y)	8	-3 (U)	32	4	6	0	0	3	4	0	0	8	0	0	33	15	3	0	1	0	1	.188	.182	.469	.651
13	Cubs	4/14/2024	0-1	CHC	+120	@	SEA	-143	W 3-2	+1.5	+2.5 (Y)	7	-2 (U)	33	3	8	2	0	1	2	0	0	12	0	2	33	13	3	0	0	0	0	.242	.242	.394	.636
14	Cubs	6/20/2025	1-0	CHC	-145	vs	SEA	+121	L 4-9	-1.5	-6.5 (N)	10	+3 (O)	33	4	9	2	0	2	4	3	0	4	0	0	36	17	4	0	0	0	1	.273	.333	.515	.848
15	Cubs	6/21/2025	1-0	CHC	-170	vs	SEA	+143	W 10-7	-1.5	+1.5 (Y)	12.5	+4.5 (O)	33	10	9	2	0	5	10	5	1	10	0	0	39	26	7	0	0	0	0	.273	.385	.788	1.172
16	Cubs	6/22/2025	1-0	CHC	+108	vs	SEA	-128	L 6-14	+1.5	-6.5 (N)	11.5	+8.5 (O)	36	6	10	0	0	4	6	1	1	9	1	1	38	22	4	0	0	0	0	.278	.316	.611	.927
	Total		8-8											543	96	138	25	2	30	92	52	8	144	11	6	614	257	57	3	8	1	7	.254	.324	.473	.797