The Kansas City Royals have an over/under record of 31-20-2 against 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	Royals	4/29/2016	0-1	KCR	+131	@	SEA	-142	L 0-1	+1.5	+0.5 (Y)	7	-6 (U)	30	0	6	0	0	0	0	3	0	6	4	1	34	6	0	1	0	0	1	.200	.273	.200	.473
2	Royals	4/30/2016	0-1	KCR	-113	@	SEA	+104	L 0-6	-1.5	-7.5 (N)	7.5	-1.5 (U)	31	0	5	1	0	0	0	0	1	4	0	0	32	6	1	0	0	0	1	.161	.188	.194	.381
3	Royals	5/1/2016	0-1	KCR	+106	@	SEA	-115	W 4-1	+1.5	+4.5 (Y)	7.5	-2.5 (U)	37	4	11	1	0	1	3	0	2	12	2	1	39	15	2	0	0	0	0	.297	.333	.405	.739
4	Royals	7/7/2016	0-1	KCR	-136	vs	SEA	+126	W 4-3	-1.5	-0.5 (N)	8.5	-1.5 (U)	30	4	9	2	0	0	4	1	1	3	0	0	32	11	2	0	0	0	4	.300	.344	.367	.710
5	Royals	7/8/2016	0-1	KCR	-101	vs	SEA	-109	L 2-3	+1.5	+0.5 (Y)	8.5	-3.5 (U)	31	2	6	1	0	1	2	3	0	9	1	0	34	10	2	0	0	0	1	.194	.265	.323	.587
6	Royals	7/9/2016	0-1	KCR	+109	vs	SEA	-119	W 5-3	-1.5	+0.5 (Y)	9.5	-1.5 (U)	35	5	12	3	0	1	5	2	0	6	0	0	37	18	4	0	0	0	1	.343	.378	.514	.893
7	Royals	7/10/2016	1-0	KCR	+120	vs	SEA	-130	L 5-8	+1.5	-1.5 (N)	10	+3 (O)	34	5	10	3	0	2	5	3	0	7	0	0	38	19	5	0	1	0	2	.294	.342	.559	.901
8	Royals	7/3/2017	0-1	KCR	+130	@	SEA	-150	W 3-1	+1.5	+3.5 (Y)	9	-5 (U)	33	3	7	1	0	2	3	0	0	6	1	0	34	14	3	0	1	0	0	.212	.206	.424	.630
9	Royals	7/4/2017	1-0	KCR	+107	@	SEA	-127	W 7-3	+1.5	+5.5 (Y)	9	+1 (O)	35	7	7	3	1	2	5	4	0	8	0	0	39	18	6	0	0	0	0	.200	.282	.514	.796
10	Royals	7/5/2017	1-0	KCR	+107	@	SEA	-127	W 9-6	+1.5	+4.5 (Y)	9	+6 (O)	41	9	10	1	0	3	9	4	1	14	1	0	46	20	4	0	0	0	0	.244	.326	.488	.814
11	Royals	8/3/2017	1-0	KCR	-149	vs	SEA	+129	W 6-4	-1.5	+0.5 (Y)	9.5	+0.5 (O)	30	6	8	0	0	2	6	4	0	2	2	0	35	14	2	1	0	1	1	.267	.353	.467	.820
12	Royals	8/4/2017	0-1	KCR	+143	vs	SEA	-166	L 2-5	+1.5	-1.5 (N)	8	-1 (U)	31	2	4	1	0	0	1	1	0	9	0	0	32	5	1	0	0	0	0	.129	.156	.161	.318
13	Royals	8/6/2017	1-0	KCR	-117	vs	SEA	-103	L 7-8	+1.5	+0.5 (Y)	9.5	+5.5 (O)	35	7	10	2	0	2	7	3	0	9	0	0	40	18	4	1	1	0	0	.286	.333	.514	.848
14	Royals	8/6/2017	1-0	KCR	-117	vs	SEA	+107	W 9-1	+1.5	+9.5 (Y)	9	+1 (O)	37	9	13	1	0	3	8	2	0	4	3	0	39	23	4	0	0	0	1	.351	.385	.622	1.006
15	Royals	4/9/2018	1-0	KCR	-105	vs	SEA	-105	W 10-0	-1.5	+8.5 (Y)	7.5	+2.5 (O)	37	10	13	4	0	1	9	5	2	8	1	0	44	20	5	0	0	0	0	.351	.455	.541	.995
16	Royals	4/10/2018	1-0	KCR	-103	vs	SEA	-107	L 3-8	+1.5	-3.5 (N)	8.5	+2.5 (O)	33	3	7	3	0	1	3	2	1	9	0	0	36	13	4	0	0	0	1	.212	.278	.394	.672
17	Royals	4/11/2018	0-1	KCR	+130	vs	SEA	-140	L 2-4	+1.5	-0.5 (N)	9	-3 (U)	34	2	7	1	0	0	2	2	1	12	0	1	37	8	1	0	0	0	0	.206	.270	.235	.506
18	Royals	6/29/2018	0-1	KCR	+185	@	SEA	-200	L 1-4	+1.5	-1.5 (N)	8	-3 (U)	29	1	6	2	0	0	1	0	1	7	0	0	31	8	2	1	0	0	2	.207	.233	.276	.509
19	Royals	6/30/2018	1-0	KCR	+190	@	SEA	-208	L 4-6	+1.5	-0.5 (N)	8	+2 (O)	36	4	9	0	0	1	4	2	0	7	0	0	39	12	1	0	1	0	0	.250	.282	.333	.615
20	Royals	7/1/2018	0-1	KCR	+250	@	SEA	-275	L 0-1	+1.5	+0.5 (Y)	7.5	-6.5 (U)	29	0	2	1	0	0	0	2	0	14	0	0	31	3	1	0	0	0	0	.069	.129	.103	.232
21	Royals	4/8/2019	1-0	KCR	-101	vs	SEA	-109	L 5-13	+1.5	-6.5 (N)	10	+8 (O)	37	5	10	2	0	0	5	3	1	9	0	0	41	12	2	0	0	0	0	.270	.341	.324	.666
22	Royals	4/9/2019	0-0-1	KCR	-114	vs	SEA	+104	L 3-6	-1.5	-4.5 (N)	9	0 (P)	33	3	8	3	1	0	3	3	0	6	1	0	38	13	4	0	2	0	1	.242	.289	.394	.683
23	Royals	4/10/2019	1-0	KCR	+144	vs	SEA	-156	L 5-6	+1.5	+0.5 (Y)	10	+1 (O)	35	5	10	2	1	2	5	4	0	5	5	2	39	20	5	0	0	2	0	.286	.359	.571	.930
24	Royals	4/11/2019	1-0	KCR	+129	vs	SEA	-143	L 6-7	+1.5	+0.5 (Y)	10	+3 (O)	40	6	8	4	0	3	6	4	2	14	0	0	46	21	7	0	0	0	0	.200	.304	.525	.829
25	Royals	6/17/2019	1-0	KCR	+111	@	SEA	-120	W 6-4	+1.5	+3.5 (Y)	8.5	+1.5 (O)	35	6	9	1	0	2	6	1	0	9	0	0	37	16	3	0	1	0	0	.257	.270	.457	.727
	Total		31-20-2											1,830	250	470	92	8	59	240	127	20	407	42	9	2,004	755	159	10	17	8	39	.257	.309	.413	.722