Mariners vs. Royals Odds & Betting Predictions - September 18, 2025

Mariners at Royals

6:10 pm • ROOT Sports NW

Seattle Mariners

2

2 - 0

Kansas City Royals

0

pitcher		team	era	w-l
S.Kolek			1.91	1-2
L.Castillo			3.54	11-8

MatchupOpenSpreadTotalMoneyline
Mariners 3-3	-1.5	-1.5+135	o9-108	-120
Royals 2-2	u9	+1.5-162	u9-112	+102

location pin

Thursday 6:10 p.m.

September 18, 2025

Kauffman StadiumKansas City

Over 9-115

2u

KC +105

1u

KC +110

3u

Over 9-115

0.58u

Bet to 9.5 (-108)

KC +110

0.5u

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MLB Public Betting

Royals are 2-2 in their last 5 games.
Royals are 2-2 in their last 5 games against the spread
Royals are 1-2 in their road games against the spread
The totals have gone OVER in 0 of Royals' last 4 games
The totals have gone OVER in 0 of Royals' 1 last games at home

Against the Spread (ATS) History

	overall	home	away	favorite	underdog
Royals	2-2	1-0	1-2	1-0	1-2
Mariners	3-3	3-3	N/A	2-2	1-1

Over/Under History

	overall	home o/u	away o/u	favorite o/u	underdog o/u
Royals	0-4	0-1	0-3	0-1	0-3
Mariners	3-3	3-3	N/A	3-1	0-2

Straight-Up (ML) History

	overall	home	away	favorite	underdog
Royals	2-2	1-0	1-2	1-0	1-2
Mariners	3-3	3-3	N/A	2-2	1-1

date	opponent	score	spread	over/under	moneyline
Sep 17th	SEA	W 7-5	-1.5 W	O 8.5	KC -128
Sep 16th	SEA	L 5-12	+1.5 L	O 8.5	SEA +120
Sep 14th	@PHI	W 10-3	+1.5 W	O 8.5	KC +129
Sep 13th	@PHI	L 6-8	-	-	-
Sep 12th	@PHI	L 2-8	+1.5 L	O 9	PHI +120

Michael Massey
2B
Massey is out with calf
Out

J.P. Crawford
SS
Crawford is out with shoulder
Out
Miles Mastrobuoni
3B
Mastrobuoni is out with calf
Out
Bryce Miller
SP
Miller is out with oblique
Out

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PITCHER		PC	IP	K	ER
RL.Castillo, P		84	6	3	0
RE.Bazardo, P		9	1	1	0
LG.Speier, P		10	1	1	0
RA.Munoz, P		17	1	3	0

HITTERS	H-AB	R	HR	RBI
1R.Arozarena, LF	0-4	0	0	0
2C.Raleigh, C	1-4	0	0	0
3J.Rodriguez, CF	0-4	0	0	0
4J.Naylor, 1B	2-3	1	0	0
5J.Polanco, DH	1-4	0	0	1
6E.Suarez, 3B	0-3	0	0	0
7D.Canzone, RF	0-2	0	0	0
7V.Robles, PR	0-0	1	0	0
7V.Robles, RF	0-0	1	0	0
8L.Rivas, 2B	0-3	0	0	0
9J.Crawford, SS	1-3	0	0	1

PITCHER		PC	IP	K	ER
RS.Kolek, P		99	7.1	8	1
LD.Lynch, P		9	0.2	0	0
RT.Clarke, P		14	1	0	0

HITTERS	H-AB	R	HR	RBI
1M.Yastrzemski, CF	0-3	0	0	0
1T.Tolbert, PH	0-1	0	0	0
1T.Tolbert, CF	0-1	0	0	0
2B.Witt, SS	0-4	0	0	0
3V.Pasquantino, 1B	1-4	0	0	0
4M.Garcia, 3B	0-4	0	0	0
5S.Perez, DH	1-3	0	0	0
5J.Rave, PR	0-0	0	0	0
6A.Frazier, LF	1-4	0	0	0
7J.Caglianone, RF	1-3	0	0	0
8C.Jensen, C	1-2	0	0	0
8R.Grichuk, PH	0-1	0	0	0
8L.Maile, C	0-0	0	0	0
9M.Massey, 2B	0-2	0	0	0
9J.India, PH	0-1	0	0	0
9J.India, 2B	0-1	0	0	0

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MatchupOverUnder
Mariners 3-3	N/A	N/A
Royals 2-2	N/A	N/A