Mariners vs. Royals Odds & Betting Predictions - May 23, 2026

Mariners at Royals

8:10 pm • Fox Sports 1

Seattle Mariners

@

Kansas City Royals

pitcher		team	era	w-l
S.Kolek			4.24	2-0
G.Kirby			3.45	5-3

MatchupOpenSpreadTotalMoneyline
Mariners 25-27	-1.5	-1.5+119	o8.5-111	-138
Royals 20-31	u8.5	+1.5-145	u8.5-108	+115

location pin

Saturday 8:10 p.m.

May 23, 2026

Kauffman StadiumKansas City

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78°Fahrenheit

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0%Rain

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7Wind

SEA -140

1.4u

Under 8.5-105

1u

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MLB Public Betting

Royals are 1-4 in their last 5 games.
Royals are 2-3 in their last 5 games against the spread
Royals are 8-16 in their road games against the spread
The totals have gone OVER in 1 of Royals' last 5 games
The totals have gone OVER in 14 of Royals' 27 last games at home

Against the Spread (ATS) History

	overall	home	away	favorite	underdog
Royals	20-31	12-15	8-16	11-17	8-14
Mariners	19-33	10-19	9-14	18-31	1-2

Over/Under History

	overall	home o/u	away o/u	favorite o/u	underdog o/u
Royals	22-29	14-13	8-16	16-12	6-16
Mariners	22-28-2	14-14-1	8-14-1	22-25-2	0-3

Straight-Up (ML) History

	overall	home	away	favorite	underdog
Royals	20-31	13-14	7-17	12-16	7-15
Mariners	25-27	14-15	11-12	24-25	1-2

date	opponent	score	spread	over/under	moneyline
May 22nd	SEA	L 0-2	+1.5 L	U 8	SEA -102
May 20th	BOS	L 3-4	-1.5 L	U 7.5	BOS -114
May 19th	BOS	L 1-7	+1.5 L	O 7.5	BOS +115
May 18th	BOS	L 1-3	+1.5 L	U 9	BOS -104
May 17th	@STL	W 2-0	-1.5 W	U 9.5	KC +101

Miles Mastrobuoni
3B
Mastrobuoni is out with calf
Out

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PITCHER		W-L	ERA	WHIP	K/9
RG.Kirby, P		5-3	3.45	1.181	7.47

HITTERS	AVG	OBP	SLG	HR
1J.Crawford, SS	.204	.350	.354	6
2J.Rodriguez, CF	.261	.323	.430	8
3J.Naylor, 1B	.250	.317	.356	5
4R.Arozarena, LF	.299	.394	.462	5
5L.Raley, RF	.258	.324	.548	10
6C.Young, 2B	.239	.324	.350	3
7D.Canzone, DH	.243	.328	.437	4
8J.Pereda, C	.235	.316	.412	1
9C.Emerson, 3B	.143	.294	.357	1

PITCHER		W-L	ERA	WHIP	K/9
RS.Kolek, P		2-0	4.24	1.000	6.35

HITTERS	AVG	OBP	SLG	HR
1M.Garcia, 3B	.260	.323	.383	3
2B.Witt, SS	.294	.363	.473	7
3V.Pasquantino, 1B	.197	.283	.326	5
4S.Perez, C	.206	.254	.360	8
5C.Jensen, DH	.228	.317	.393	6
6J.Caglianone, RF	.247	.311	.420	5
7I.Collins, LF	.210	.323	.312	3
8M.Massey, 2B	.221	.240	.400	3
9K.Isbel, CF	.264	.324	.400	3

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MatchupOverUnder
Mariners 25-27	N/A	N/A
Royals 20-31	N/A	N/A