Astros vs. Mariners Odds & Betting Predictions - April 12, 2026

Astros at Mariners

1:40 am • SEAM

Houston Astros

12-21

7 - 8

Seattle Mariners

16-17

pitcher		team	era	w-l
L.Castillo			6.35	0-2
L.McCullers			6.32	2-2

MatchupOpenSpreadTotalMoneyline
Astros 12-21	+1.5	+1.5-167	o7.5+100	+135
Mariners 16-17	u7.5	-1.5+140	u7.5-121	-160

Sunday 1:40 a.m.

April 12, 2026

T-Mobile ParkSeattle

Under 7.5-105

1.05u

Under 7.5-115

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J.Naylor Over0.5 Hitter Walks+200

0.5u

L.Castillo o5.5 Ks-115

1.15u

HOU +136

$100.00

Y.Alvarez o1.5 Hits + Runs + RBIs-122

0.82u

Y.Alvarez o0.5 HR+362

0.72u

L.McCullers u5.5 Ks-105

0.5u

HOU u3.5-113

0.57u

(FD) In Saturday's Opening Pitch (Would play to -125)

Over 7.5-110

HOU +120

Carty's Strikeout Prop for Astros-Mariners
Action Network Staff•
Apr 11, 2026 UTC
3 MLB Player Props for Saturday
Alex Hinton•
Apr 11, 2026 UTC
Opening Pitch for Saturday
Matt Trollo•
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MLB Best Bets for Saturday
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No props found

MLB Public Betting

Mariners are 3-2 in their last 5 games.
Mariners are 2-3 in their last 5 games against the spread
Mariners are 4-11 in their road games against the spread
The totals have gone OVER in 3 of Mariners' last 5 games
The totals have gone OVER in 10 of Mariners' 18 last games at home

Against the Spread (ATS) History

	overall	home	away	favorite	underdog
Mariners	12-21	8-10	4-11	11-19	1-2
Astros	12-21	7-9	5-12	4-11	8-9

Over/Under History

	overall	home o/u	away o/u	favorite o/u	underdog o/u
Mariners	15-16-2	10-7-1	5-9-1	15-13-2	0-3
Astros	22-10-1	12-4	10-6-1	9-6	12-4-1

Straight-Up (ML) History

	overall	home	away	favorite	underdog
Mariners	16-17	10-8	6-9	15-15	1-2
Astros	12-21	8-8	4-13	5-10	7-10

date	opponent	score	spread	over/under	moneyline
Apr 11th	HOU	W 9-6	-1.5 W	O 8	SEA -141
Apr 8th	@TEX	L 0-3	-1.5 L	U 7.5	TEX -125
Apr 8th	@TEX	L 2-3	-1.5 L	U 8	TEX -119
Apr 7th	@TEX	L 1-2	-1.5 L	U 8	TEX -101
Apr 5th	@LAA	L 7-8	-1.5 L	O 9	LAA -169

Miles Mastrobuoni
3B
Mastrobuoni is out with calf
Out
Bryce Miller
SP
Miller is out with oblique
Out

Zach Dezenzo
LF
Dezenzo is out with elbow
Out

See more MLB Injuries

PITCHER	PC	IP	K	ER
RL.McCullers, P	79	4.1	4	6
LS.Okert, P	11	0.2	0	1
RK.Teng, P	20	0.2	2	0
LB.King, P	25	1.1	1	0
RA.Blubaugh, P	17	1	0	0
RB.Abreu, P	23	0.1	1	1

HITTERS	H-AB	R	HR	RBI
1J.Pena, SS	1-3	0	0	0
1N.Allen, PR	0-1	0	0	0
1N.Allen, SS	0-1	0	0	0
1C.Walker, PH	0-1	0	0	0
1C.Walker, 1B	0-1	0	0	0
2Y.Alvarez, DH	3-6	1	1	1
3I.Paredes, 1B	1-5	0	0	1
3I.Paredes, 3B	1-5	0	0	1
4J.Altuve, 2B	1-4	0	0	0
5C.Correa, 3B	3-5	2	0	0
5C.Correa, SS	3-5	2	0	0
6J.Loperfido, LF	2-4	2	0	0
7C.Smith, RF	4-5	1	0	2
8Y.Diaz, C	0-5	0	0	0
9T.Trammell, CF	2-4	1	0	3

PITCHER	PC	IP	K	ER
RL.Castillo, P	91	3.1	3	7
RC.Legumina, P	20	1.2	2	0
LJ.Ferrer, P	21	1	1	0
RE.Bazardo, P	16	1	2	0
RM.Brash, P	12	1	0	0
RA.Munoz, P	24	1	1	0

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