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 6-6	-1.5	-1.5+135	o9-108	-120
Royals 0-0	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 3-2 in their last 5 games.
Royals are 3-2 in their last 5 games against the spread
Royals are 44-37 in their road games against the spread
The totals have gone OVER in 2 of Royals' last 5 games
The totals have gone OVER in 31 of Royals' 81 last games at home

Against the Spread (ATS) History

	overall	home	away	favorite	underdog
Royals	82-80	38-43	44-37	32-38	49-40
Mariners	69-93	36-45	33-48	44-69	24-22

Over/Under History

	overall	home o/u	away o/u	favorite o/u	underdog o/u
Royals	71-90-1	31-50	40-40-1	30-40	41-47-1
Mariners	88-68-6	41-35-5	47-33-1	58-49-6	28-18

Straight-Up (ML) History

	overall	home	away	favorite	underdog
Royals	82-80	43-38	39-42	40-30	40-49
Mariners	90-72	51-30	39-42	66-47	22-24

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

Kyle Wright
SP
Wright is out with shoulder
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 6-6	o4.5-116	u4.5-111
Royals 0-0	o4.5+112	u4.5-143