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

Astros at Mariners

8:10 pm • SEAM

Houston Astros

@

Seattle Mariners

pitcher		team	era	w-l
L.Gilbert			5.40	0-2
C.Bolton			3.68	0-0

MatchupOpenSpreadTotalMoneyline
Astros 6-9	+1.5	+1.5-140	o7.5-120	+139
Mariners 6-9	u7.5	-1.5+115	u7.5-102	-166

location pin

Sunday 8:10 p.m.

April 12, 2026

T-Mobile ParkSeattle

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57°Fahrenheit

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0%Rain

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4Wind

L.Gilbert o6.5 Ks+121

0.83u

SEA -0.5 (F5)-105

0.3u

#EV Pinny -115 Circa -120 BO -115

SEA -149

1.49u

Bet to -200

Under 4 (F5)+100

0.5u

Astros vs Mariners: F5 Pick for Today's Pitchers Battle
Doug Ziefel•
Apr 12, 2026 UTC

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MLB Public Betting

Mariners are 2-3 in their last 5 games.
Mariners are 1-4 in their last 5 games against the spread
Mariners are 1-5 in their road games against the spread
The totals have gone OVER in 2 of Mariners' last 5 games
The totals have gone OVER in 6 of Mariners' 9 last games at home

Against the Spread (ATS) History

	overall	home	away	favorite	underdog
Mariners	5-10	4-5	1-5	4-8	1-2
Astros	7-8	5-2	2-6	3-6	4-1

Over/Under History

	overall	home o/u	away o/u	favorite o/u	underdog o/u
Mariners	7-8	6-3	1-5	7-5	0-3
Astros	11-4	5-2	6-2	5-4	5-0

Straight-Up (ML) History

	overall	home	away	favorite	underdog
Mariners	6-9	5-4	1-5	5-7	1-2
Astros	6-9	5-2	1-7	3-6	3-2

date	opponent	score	spread	over/under	moneyline
Apr 12th	HOU	W 8-7	-1.5 L	O 7.5	SEA -160
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

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

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PITCHER		W-L	ERA	WHIP	K/9
RC.Bolton, P		0-0	3.68	1.227	12.27

HITTERS	AVG	OBP	SLG	HR
1J.Altuve, 2B	.302	.439	.491	2
2Y.Alvarez, DH	.360	.515	.800	6
3I.Paredes, 3B	.222	.349	.333	0
4C.Walker, 1B	.315	.393	.593	3
5C.Smith, RF	.302	.393	.547	3
6J.Loperfido, LF	.300	.383	.400	0
7Y.Diaz, C	.200	.245	.222	0
8T.Trammell, CF	.500	.667	.750	0
9N.Allen, SS	.273	.385	.273	0

PITCHER		W-L	ERA	WHIP	K/9
RL.Gilbert, P		0-2	5.40	1.260	9.72

HITTERS	AVG	OBP	SLG	HR
1B.Donovan, 3B	.316	.435	.605	3
2C.Raleigh, C	.145	.250	.291	2
3J.Rodriguez, CF	.172	.262	.241	1
4J.Naylor, 1B	.107	.180	.107	0
5R.Arozarena, LF	.255	.397	.373	1
6L.Raley, RF	.214	.283	.476	3
7J.Crawford, SS	.217	.419	.261	0
8D.Canzone, DH	.226	.294	.516	2
9C.Young, 2B	.269	.345	.462	2

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MatchupOverUnder
Astros 6-9	N/A	N/A
Mariners 6-9	N/A	N/A