Mariners vs. Astros Odds & Betting Predictions - September 20, 2025

Mariners at Astros

11:10 pm • ROOT Sports NW

Seattle Mariners

6

6 - 4

Houston Astros

4

pitcher		team	era	w-l
F.Valdez			3.66	13-11
G.Kirby			4.21	10-8

MatchupOpenSpreadTotalMoneyline
Mariners 6-6	-1.5	-1.5+147	o8-115	-110
Astros 0-0	u8	+1.5-180	u8-113	-109

location pin

Saturday 11:10 p.m.

September 20, 2025

Daikin ParkHouston

Over 8+100

0.5u

Bet to -110. Prefer 8 even to 7.5 (-120)

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 45-36 in their road games against the spread
The totals have gone OVER in 1 of Astros' last 5 games
The totals have gone OVER in 36 of Astros' 81 last games at home

Against the Spread (ATS) History

	overall	home	away	favorite	underdog
Astros	82-80	37-44	45-36	43-60	39-18
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
Astros	72-83-7	36-43-2	36-40-5	45-56-2	25-27-5
Mariners	88-68-6	41-35-5	47-33-1	58-49-6	28-18

Straight-Up (ML) History

	overall	home	away	favorite	underdog
Astros	87-75	46-35	41-40	56-47	31-26
Mariners	90-72	51-30	39-42	66-47	22-24

date	opponent	score	spread	over/under	moneyline
Sep 20th	SEA	L 0-4	+1.5 L	U 7.5	SEA -111
Sep 18th	TEX	W 5-2	+1.5 W	U 7.5	HOU +122
Sep 17th	TEX	W 6-5	+1.5 W	O 7.5	HOU +100
Sep 16th	TEX	W 6-3	-1.5 W	O 8.5	HOU -132
Sep 14th	@ATL	L 3-8	-1.5 L	O 9	ATL -137

Pedro Leon
RF
Leon is out with knee
Out
Hayden Wesneski
RP
Wesneski is out with elbow
Out

See more MLB Injuries

PITCHER		PC	IP	K	ER
RG.Kirby, P		100	6	7	0
RC.Vargas, P		16	1	0	4
RE.Bazardo, P		15	0.2	2	0
LG.Speier, P		3	0.1	1	0
RA.Munoz, P		14	1	1	0

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

PITCHER		PC	IP	K	ER
LF.Valdez, P		87	4.2	4	5
RJ.Murray, P		29	1.1	2	0
LC.Gordon, P		13	1	1	1
LS.Okert, P		11	1	1	0
RB.Abreu, P		11	1	1	0

HITTERS	H-AB	R	HR	RBI
1J.Pena, SS	2-4	1	1	4
2C.Correa, 3B	1-5	0	0	0
3I.Paredes, DH	0-4	0	0	0
4J.Altuve, 2B	2-4	0	0	0
5V.Caratini, 1B	1-4	0	0	0
5M.Dubon, PR	0-0	0	0	0
5M.Dubon, LF	0-0	0	0	0
6Y.Diaz, C	2-4	1	0	0
7J.Sanchez, LF	1-3	1	0	0
7C.Walker, PH	0-1	0	0	0
7C.Walker, 1B	0-1	0	0	0
8J.Meyers, CF	0-3	0	0	0
9C.Smith, RF	1-2	1	0	0
9Z.Cole, PH	0-1	0	0	0

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MatchupOverUnder
Mariners 6-6	o3.5-133	u3.5+103
Astros 0-0	o3.5-120	N/A