Mariners vs. Astros Odds & Betting Predictions - May 13, 2026

Mariners at Astros

12:10 am • SCHN

Seattle Mariners

34-31

10 - 2

Houston Astros

30-36

pitcher		team	era	w-l
T.Imai			5.24	3-3
B.Woo			3.74	5-4

MatchupOpenSpreadTotalMoneyline
Mariners 34-31	-1.5	-1.5-122	o9-109	-202
Astros 30-36	u8.5	+1.5+106	u9-111	+169

Wednesday 12:10 a.m.

May 13, 2026

Daikin ParkHouston

SEA -180

0.42u

#EV 1.69%

C.Walker o0.5 HR+490

0.1u

#EV 8.42%

SEA u4.5+118

0.75u

C.Raleigh u1.5 Hits + Runs + RBIs-115

0.25u

SEA -1.5+110

1.1u

Join Discord for earlier access: https://discord.gg/HjKxYKdSUy Seattle gets Bryan Woo at 4.02 ERA and 1.00 WHIP against Tatsuya Imai listed at 7.27 ERA. Houston came in 16-26 with Yainer Diaz, Jeremy Pena and Jake Meyers all on the 10-day IL. Dome game, cleaner starter, thinner opponent. Mariners runline at plus money is the side.

T.Imai o2.5 BB+136

1.36u

T.Imai u4.5 Ks+123

0.5u

SEA o2.5 (F5)+105

SEA -150

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No props found

MLB Public Betting

Astros are 3-2 in their last 5 games.
Astros are 3-2 in their last 5 games against the spread
Astros are 15-17 in their road games against the spread
The totals have gone OVER in 3 of Astros' last 5 games
The totals have gone OVER in 21 of Astros' 34 last games at home

Against the Spread (ATS) History

	overall	home	away	favorite	underdog
Astros	31-35	16-18	15-17	6-13	25-21
Mariners	25-40	12-23	13-17	23-38	2-2

Over/Under History

	overall	home o/u	away o/u	favorite o/u	underdog o/u
Astros	35-27-4	21-12-1	14-15-3	11-8	23-19-4
Mariners	29-34-2	17-17-1	12-17-1	29-30-2	0-4

Straight-Up (ML) History

	overall	home	away	favorite	underdog
Astros	30-36	16-18	14-18	7-12	23-23
Mariners	34-31	19-16	15-15	32-29	2-2

date	opponent	score	spread	over/under	moneyline
May 12th	SEA	L 1-3	+1.5 L	U 8.5	SEA +130
May 10th	@CIN	L 0-5	-	U 9.5	CIN -108
May 9th	@CIN	L 1-3	+1.5 L	U 8.5	CIN +135
May 8th	@CIN	W 10-0	+1.5 W	O 9	HOU +109
May 6th	LAD	L 2-12	+1.5 L	O 8.5	LAD +180

Miles Mastrobuoni
3B
Mastrobuoni is out with calf
Out

Lance McCullers
SP
Lance McCullers Jr. has been scratched Tuesday. Jason Alexander will start.
Out

See more MLB Injuries

PITCHER	PC	IP	K	ER
RB.Woo, P	104	6	9	2
RA.Hoppe, P	23	2	2	0
RD.Gonzalez, P	16	1	1	0

HITTERS	H-AB	R	HR	RBI
1B.Donovan, 3B	1-4	0	0	0
2J.Rodriguez, CF	0-5	0	0	0
3J.Naylor, 1B	1-5	0	0	0
4C.Raleigh, C	2-4	3	0	0
5R.Arozarena, LF	4-4	4	1	3
6L.Raley, RF	1-3	1	0	0
7J.Crawford, SS	1-3	1	0	2
8D.Canzone, DH	1-4	1	1	5
9C.Young, 2B	0-4	0	0	0

PITCHER	PC	IP	K	ER
RT.Imai, P	80	4	3	6
RJ.Murray, P	49	3	0	2
RA.Blubaugh, P	46	2	1	2

HITTERS	H-AB	R	RBI
1J.Altuve, 2B	1-3	1	0
2Y.Alvarez, DH	0-3	0	0
3I.Paredes, 3B	0-4	0	0
4C.Walker, 1B	1-3	0	1
4S.Whitcomb, PH	0-1	0	0
5C.Smith, RF	0-4	0	0
6Z.Dezenzo, LF	1-3	1	0
7B.Shewmake, SS	2-4	0	1
8B.Matthews, CF	0-4	0	0
9C.Vazquez, C	0-3	0	0