The Astros will play the Mariners on Wednesday, April 9th, 2025. Your timezone's first pitch time is 4:10 pm EDT. Check local listings or your nearest streaming app for coverage.
Learn more about MLB Betting with our handy tutorial and guide. We explain money line, total and run line bets. Plus, a great discussion about exotic bets like MLB Baseball parlays and props.
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Table of Contents
- Matchup Stats
- Captain Shady Lines
- Best Odds
- Interactive Odds Example
- Prop Bets
- Team Futures Odds
- Team Pages
- Team Standings
- Other Games Today
Key Matchup Stats
- SportsBetting3.com Power Rankings - The Houston Astros have a 89.33 power ranking. The power ranking for the Seattle Mariners is 88.00.
- Visiting Houston Astros - The Houston Astros have a 2-2 record as a visiting team, ranking them 4th Overall for visiting team wins.
- Home Seattle Mariners - The Seattle Mariners have a 4-4 record as a home team. They rank 4th for home team wins in the Overall standings.
- Runs Scored - The Houston Astros currently stand 21st (30) Overall, with the Seattle Mariners ranking 16th (36) for runs scored.
- Runs Allowed - The Houston Astros are 14th (40) Overall for runs allowed. The Seattle Mariners stand 6th (51) for runs allowed.
- Team Streaks - The Houston Astros lost their last game. Meanwhile, the Seattle Mariners won their last game.
- Team Records - The Houston Astros have a 4-6 Overall record (3.5 GB American West Division), with the Seattle Mariners possessing a 4-7 Overall standing (4.0 GB American West Division).
Captain Shady Lines
A broken compass is right at least twice a day.
Arrr, the Astros be sailin' into Seattle with a pitiful record...4-6 overall...shameful! The Mariners be no better...0.364 win percentage! A battle of the losers... (SportsBetting3.com)
But don't let their records fool ye...both teams be hungry for a win...desperate! The Astros be lookin' to turn the tide, but the Mariners be fightin' back! (bet on this game)
If ye be brave enough to wager yer doubloons, review the odds below...choose wisely! Will the Astros plunder a victory, or will the Mariners send 'em packin'? (SportsBetting3.com)
Best Astros at Mariners Odds
| Underdog Seattle Mariners | Favorite Houston Astros |
|---|---|
| Over | Under |
|---|---|
| Underdog Seattle Mariners | Favorite Houston Astros |
|---|---|
Matchup Odds FAQs
The Houston Astros are the -140 moneyline favorite at BetMGM and the Seattle Mariners are the +118 moneyline underdog at BetMGM.
The best over line is 7.5 -102 runs at BetMGM, which means you risk $102 to win $100 betting the over. The best under line is 7.5 -118 runs at BetMGM, and that means you risk $118 to win $100 betting the under.
The Houston Astros are -1.5 +135 run line favorites at BetMGM, while the Seattle Mariners are +1.5 -160 run line underdogs at BetMGM.
MLB Odds Example
|
Game |
 BetMGMBet |
|---|---|
Astros
Mariners
4/09/25 4:10pm EDT | -140+118 |
- Seattle Mariners bettors risk $100 to win $118 at +118 odds. The implied probability for Seattle Mariners is 45.87%.
- Houston Astros bettors risk $100 to win $71.43 at -140 odds. The implied probability for Houston Astros is 58.33%.
Houston Astros at Seattle Mariners Prop Bets
| BetMGM Bet |
|
|---|---|
Astros
Mariners
First Team to Score
4/09/25 4:10pm EDT | -190+145Bet |
Astros
Mariners
Tie
1st Inning Winner
4/09/25 4:10pm EDT | +260+350-140Bet |
Astros
Mariners
Tie
First 3 Innings Winner
4/09/25 4:10pm EDT | +120+175+270Bet |
Astros
Mariners
To Extra Innings
4/09/25 4:10pm EDT | Yes +725No -1200Bet |
| BetMGM | |
Astros
Mariners
1st Team to Score Will Win
4/09/25 4:10pm EDT | Yes -250No +190Bet |
Astros
Total Runs
HOU at SEA 4/09/25 4:10pm EDT | 3.5 o -1453.5 u +110Bet |
Mariners
Total Runs
HOU at SEA 4/09/25 4:10pm EDT | 3.5 o +1053.5 u -140Bet |
Hunter Brown
Strikeouts Thrown
HOU at SEA 4/09/25 4:10pm EDT | 7.5 o +1357.5 u -175Bet |
| BetMGM | |
Luis F Castillo
Strikeouts Thrown
HOU at SEA 4/09/25 4:10pm EDT | 3.5 o -1353.5 u +105Bet |
Houston Astros & Seattle Mariners Futures Odds
Latest World Series odds, if available, for each team. Review odds for other teams and learn how to bet on the tournament. See past Championship results and learn how to bet World Series teasers, props and parlays.
Houston Astros World Series Odds|
Team | BetMGM |
|---|---|
| Astros | +2200 Bet |
|
Team | BetMGM |
|---|---|
| Mariners | +2500 Bet |
Houston Astros & Seattle Mariners Team Pages
Review each team's season win total odds, futures odds, betting bonuses and other valuable information on our exclusive team betting odds pages. Team betting odds and stats update throughout the season:
Team Standings
| Team | W | L | Pct | GB | Home | Away | RS | RA | Diff | Strk | L10 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Seattle Mariners | 14 | 11 | 0.560 | +4.0 | 8-5 | 6-6 | 113 | 109 | +4 | W2 | 7-3 |
| Houston Astros | 13 | 11 | 0.542 | +4.5 | 9-6 | 4-5 | 92 | 81 | +11 | W3 | 7-3 |
How to Bet on the Game
Time needed: 4 minutes.
How to Bet on the Houston Astros vs Seattle Mariners MLB Game
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Open a new sports betting account before game time.
Review our list of sports betting sites. Open a new account before the game starts on Wednesday, April 9th, 2025 at 4:10 pm EDT, making sure to enter all your personal details correctly. Don't forget to add your bonus code.
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Visit the sportsbook’s cashier, banking, or deposit page.
Navigate to the sportsbook's deposit page. Use your Visa card or MasterCard, or deposit with a bank transfer, or other methods like Paypal.
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Tap to the sportsbook's MLB page, look for the Houston Astros vs Seattle Mariners Game.
Navigate to the sportsbook's MLB page. Next, look for live or upcoming matchups. Select the Houston Astros vs Seattle Mariners Game.
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Choose your bet and place a wager.
Choose your bet and then use the funds you deposited to place a wager. The sportsbook will pay your winnings or deduct a losing wager from your account balance after the game.
Other April 9, 2025 MLB Games
- St. Louis Cardinals vs Pittsburgh Pirates - 4/09/25 12:35pm EDT
- New York Yankees vs Detroit Tigers - 4/09/25 1:10pm EDT
- Miami Marlins vs New York Mets - 4/09/25 1:11pm EDT
- Texas Rangers vs Chicago Cubs - 4/09/25 2:20pm EDT
- San Diego Padres vs Oakland Athletics - 4/09/25 3:35pm EDT
- Baltimore Orioles vs Arizona Diamondbacks - 4/09/25 3:40pm EDT
- Cincinnati Reds vs San Francisco Giants - 4/09/25 3:45pm EDT
- Los Angeles Dodgers vs Washington Nationals - 4/09/25 4:05pm EDT
- Chicago White Sox vs Cleveland Guardians - 4/09/25 6:10pm EDT
- Toronto Blue Jays vs Boston Red Sox - 4/09/25 6:45pm EDT
- Los Angeles Angels vs Tampa Bay Rays - 4/09/25 7:05pm EDT
- Philadelphia Phillies vs Atlanta Braves - 4/09/25 7:15pm EDT
- Minnesota Twins vs Kansas City Royals - 4/09/25 7:40pm EDT
- Milwaukee Brewers vs Colorado Rockies - 4/09/25 8:40pm EDT