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Houston Astros vs Seattle Mariners odds and betting data

This is the MLB event page for Houston Astros vs Seattle Mariners. You can see and compare odds across different sportsbooks. The matchup is scheduled for Thursday, September 24 at 2:11 AM UTC, and the odds tables below organize every available price by sportsbook, market, team, and outcome so you can quickly scan the best number before placing a bet.

Linewhale highlights the strongest current prices across 53 sportsbooks, including moneyline prices when available, spread points and prices, and over/under totals. Use this page to compare sportsbook odds, identify the best price for each side, review market differences, and open free line movement history for individual odds.

Free line movement for Houston Astros vs Seattle Mariners

To see line movement for this event, use the odds table below and click a specific moneyline, spread, or total price. Linewhale will open a free line movement chart for the selected sportsbook and outcome for Houston Astros vs Seattle Mariners, can review how that number has changed before you bet.

MLBThursday, Sep 24, 2:11 AM UTC
HAS
Houston
Astros
Seattle
Mariners
SMA
vs
Win Probability
46%54%
Moneyline · Best Across Books
Spread · Best Across Books
Total · Best Across Books
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Moneyline· Pick the winner

Side
BBetOpenly
PProphetX
PPolymarket
GGTbets
NNovig
MMatchbook
PPinnacle
LLowVig.ag
KKalshi
BBetOnline.ag
11xBet
CCasumo
BBetfair Exchange (UK)
LLeoVegas (Sweden)
UUnibet (Sweden)
UUnibet (Netherlands)
BBetfair Exchange (EU)
SSmarkets
BBetRivers
BBetAnySports
FFanatics Sportsbook
BBetUS
FFanDuel
BBetfair Sportsbook
MMyBookie.ag
BBovada
VVirgin Bet
LLiveScore Bet
CCoolbet
DDraftKings
MMarathon Bet
BBetMGM
CCaesars Sportsbook
LLadbrokes (UK)
8888sport
PPaddy Power
CCoral
LLeoVegas
BBetfred
BBoyleSports
GGrosvenor
NNordicBet
UUnibet (UK)
BBetclic
BBetway
WWinamax (France)
TTipico (Germany)
WWilliam Hill
WWinamax (Germany)
UUnibet (France)
BBetano (UK)
BBet Victor
Houston Astros
Seattle Mariners

Spread· Houston Astros +1.5 / Seattle Mariners -1.5

Side
MMatchbook
BBetOpenly
NNovig
PProphetX
PPinnacle
KKalshi
PPolymarket
MMyBookie.ag
BBetAnySports
BBovada
11xBet
FFanatics Sportsbook
CCasumo
BBetMGM
CCaesars Sportsbook
LLeoVegas
WWilliam Hill
UUnibet (Sweden)
UUnibet (Netherlands)
BBetRivers
CCoolbet
FFanDuel
LLowVig.ag
BBetOnline.ag
DDraftKings
GGTbets
BBetUS
LLeoVegas (Sweden)
8888sport
NNordicBet
GGrosvenor
Houston Astros
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
+1.5
Seattle Mariners
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5
-1.5

Spread· Houston Astros -2.5 / Seattle Mariners +2.5

Side
LLadbrokes (UK)
CCoral
Houston Astros
-2.5
-2.5
Seattle Mariners
+2.5
+2.5

Total· O/U 7.5

Side
BBetOpenly
MMatchbook
LLowVig.ag
KKalshi
PPolymarket
NNovig
BBetUS
11xBet
BBetAnySports
BBetOnline.ag
GGTbets
PPinnacle
FFanatics Sportsbook
BBetMGM
8888sport
WWilliam Hill
BBovada
NNordicBet
CCoolbet
DDraftKings
CCasumo
VVirgin Bet
MMyBookie.ag
LLiveScore Bet
BBetRivers
CCaesars Sportsbook
FFanDuel
LLeoVegas
BBetano (UK)
GGrosvenor
BBet Victor
PPMU
Over
7.5
Under
7.5

Total· O/U 2

Side
LLadbrokes (UK)
CCoral
Over
2
Under
2

Total· O/U 8

Side
PProphetX
Over
8
Under
8

Houston Astros vs Seattle Mariners betting odds overview

Compare MLB odds for Houston Astros vs Seattle Mariners, scheduled for Thursday, September 24 at 2:11 AM UTC. Linewhale tracks moneyline, spread, and total prices across 100+ sportsbooks in 8 regions so you can compare the best available number before placing a bet.

Best moneyline odds

Houston Astros is listed at +120 on BetOpenly, while Seattle Mariners is listed at -116 on Betfair Exchange (UK).

Best spread odds

The best listed spread prices are Houston Astros +1.5 at -172 on Matchbook and Seattle Mariners -1.5 at +176 on BetOpenly.

Best total odds

The best over price is +100 on BetOpenly; the best under price is +100 on Kalshi. The listed total is 7.5.

Odds can move quickly as sportsbooks adjust to injuries, lineup news, betting volume, and market-making books. Always confirm the final price at the sportsbook before submitting a wager.