Mariners vs. Astros Odds & Betting Predictions - September 21, 2025

Mariners at Astros

11:10 pm • ESPN
7 - 3
Starting Pitchers
pitcherteameraw-l
Jason Alexander logoJ.AlexanderHouston Astros logo3.664-2
Logan Gilbert logoL.GilbertSeattle Mariners logo3.446-6

Mariners at Astros Odds

Spread, Total, Moneyline

MatchupOpenSpreadTotalMoneyline
Mariners
0-0
-1.5
-1.5+110
o8.5-105
-149
Astros
0-0
u8
+1.5-137
u8.5-115
+122
location pinSunday 11:10 p.m.
September 21, 2025
Daikin ParkHouston
Mariners vs. Astros Expert Picks
Picks Office
Picks Office
Last 30d: 61-80-3 (-15.6u)
SEA -130
1.54u

Mariners vs. Astros Previews & Analysis

  • Mariners vs Astros: Expect a Tight Sunday Night Battle article feature image

    Mariners vs Astros: Expect a Tight Sunday Night Battle

    Nick Martin•
    Sep 21, 2025 UTC
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Prop Odds Comparison

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Line Movement Tracker

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Mariners vs. Astros Public Betting Percentages

Away Logo

Mariners

Public

55%

Bets%

45%

Money%

Matchup History

Against the Spread (ATS) History

overallhomeawayfavoriteunderdog
Astros
82-8037-4445-3643-6039-18
Mariners
69-9336-4533-4844-6924-22

Over/Under History

overallhome o/uaway o/ufavorite o/uunderdog o/u
Astros
72-83-736-43-236-40-545-56-225-27-5
Mariners
88-68-641-35-547-33-158-49-628-18

Straight-Up (ML) History

overallhomeawayfavoriteunderdog
Astros
87-7546-3541-4056-4731-26
Mariners
90-7251-3039-4266-4722-24

Last 5 Matchups

dateopponentscorespreadover/undermoneyline
Sep 20thSEAL 4-6+1.5 LO 8SEA -109
Sep 20thSEAL 0-4+1.5 LU 7.5SEA -111
Sep 18thTEXW 5-2+1.5 WU 7.5HOU +122
Sep 17thTEXW 6-5+1.5 WO 7.5HOU +100
Sep 16thTEXW 6-3-1.5 WO 8.5HOU -132

Mariners vs. Astros Injury Updates

Mariners Injuries

  • Dominic Canzone
    OF

    Dominic Canzone scratched Sunday.

    Out

Astros Injuries

  • Pedro Leon
    OF

    Leon is out with knee

    Out

  • Hayden Wesneski
    P

    Wesneski is out with elbow

    Out

Mariners vs. Astros Box Score
Mariners Player Stats
Projected
PITCHERPCIPKER
Logan Gilbert logoRL.Gilbert, P91641
Caleb Ferguson logoLC.Ferguson, P130.101
Carlos Vargas logoRC.Vargas, P201.211
Matt Brash logoRM.Brash, P11110
HITTERSH-ABRHRRBI
Randy Arozarena logo1R.Arozarena, LF1-4100
Cal Raleigh logo2C.Raleigh, C1-4112
Julio Rodriguez logo3J.Rodriguez, CF1-4000
Josh Naylor logo4J.Naylor, 1B2-4000
Jorge Polanco logo5J.Polanco, 2B1-4100
Leo Rivas logo5L.Rivas, 2B0-0000
Eugenio Suarez logo6E.Suarez, 3B1-3100
Dominic Canzone logo7D.Canzone, DH0-3100
Mitch Garver logo7M.Garver, PH0-1000
Mitch Garver logo7M.Garver, DH0-1000
Victor Robles logo8V.Robles, RF0-3101
J.P. Crawford logo9J.Crawford, SS1-4114
Astros Player Stats
Projected
PITCHERPCIPKER
Jason Alexander logoRJ.Alexander, P371.117
Enyel De Los Santos logoRE.De Los Santos, P141.210
AJ Blubaugh logoRA.Blubaugh, P34310
Craig Kimbrel logoRC.Kimbrel, P20130
Nick Hernandez logoRN.Hernandez, P18110
Bryan King logoLB.King, P11100
HITTERSH-ABRHRRBI
Jose Altuve logo1J.Altuve, 2B2-3001
Carlos Correa logo2C.Correa, 3B0-4000
Isaac Paredes logo3I.Paredes, DH1-4111
Jesus Sanchez logo4J.Sanchez, LF0-4000
Christian Walker logo5C.Walker, 1B1-4000
Yainer Diaz logo6Y.Diaz, C0-4000
Jake Meyers logo7J.Meyers, CF0-4000
Zach Cole logo8Z.Cole, RF2-4211
Mauricio Dubon logo9M.Dubon, SS1-3000
Victor Caratini logo9V.Caratini, PH0-1000

Mariners vs. Astros Odds Comparison

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Mariners at Astros Team Totals

MatchupOverUnder
Mariners
0-0
o4.5-110
u4.5-117
Astros
0-0
o3.5-111
u3.5-116