The Astros will play the Mariners on Wednesday, September 27th, 2023. Your timezone's first pitch time is 9:40 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 95.00 power ranking. The power ranking for the Seattle Mariners is 94.00.
- Visiting Houston Astros - The Houston Astros have a 47-30 record as a visiting team, ranking them 2nd Overall for visiting team wins.
- Home Seattle Mariners - The Seattle Mariners have a 42-34 record as a home team. They rank 9th for home team wins in the Overall standings.
- Runs Scored - The Houston Astros currently stand 5th (808) Overall, with the Seattle Mariners ranking 12th (742) for runs scored.
- Runs Allowed - The Houston Astros are 18th (693) Overall for runs allowed. The Seattle Mariners stand 25th (643) 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 86-72 Overall record (2.5 GB American West Division), with the Seattle Mariners possessing a 85-72 Overall standing (4.0 GB American West Division).
Captain Shady Lines
A broken compass is right at least twice a day.
Arrr, ye scurvy dogs! The Houston Astros be playin' an away game on Wednesday, September 27th, 2023... The Astros be havin' a 86-72 overall record, but don't be foolin' me, their win percentage be a measly 0.544... They be slippin' like a drunken sailor in their last 10 games, with a pitiful 3-7 record... What a sorry sight!
Now, the Seattle Mariners be hostin' this sorry excuse for a team... They be holdin' a slightly better 85-72 overall record, just barely edgin' out the Astros with a 0.541 win percentage... But don't be celebratin' just yet, mateys! The Mariners be just as troubled in their last 10 games, baggin' a 4-6 record.
If ye be thinkin' ye can predict the outcome of this sad affair, ye can head over to SportsBetting3.com... Bet on this game and ye might just be laughin' all the way to the treasure chest... But don't forget to review the odds below, lest ye be wastin' yer gold on a lost cause!
So gather round, ye landlubbers, for a showdown on the diamond... Will the Astros find their sea legs, or will the Mariners send 'em swimmin' with the fishes?
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 -120 moneyline favorite at BetMGM and the Seattle Mariners are the +104 moneyline underdog at BetRivers.
The best over line is 8 -110 runs at BetMGM, which means you risk $110 to win $100 betting the over. The best under line is 8 -106 runs at BetRivers, and that means you risk $106 to win $100 betting the under.
The Houston Astros are -1.5 +140 run line favorites at BetRivers, while the Seattle Mariners are +1.5 -165 run line underdogs at BetMGM.
MLB Odds Example
|
Game |
 BetRiversBet |
|---|---|
Astros
Mariners
9:40pm EDT |
- Seattle Mariners bettors risk $100 to win $104 at +104 odds. The implied probability for Seattle Mariners is 49.02%.
- Houston Astros bettors risk $100 to win $82.64 at -121 odds. The implied probability for Houston Astros is 54.75%.
Houston Astros at Seattle Mariners Prop Bets
| BetRivers Bet |
|
|---|---|
Astros
Total Runs
HOU at SEA 9:40pm EDT | Bet |
Mariners
Total Runs
HOU at SEA 9:40pm EDT | Bet |
Bryce Miller
Strikeouts Thrown
HOU at SEA 9:40pm EDT | Bet |
Framber Valdez
Strikeouts Thrown
HOU at SEA 9:40pm EDT | Bet |
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 | BetRivers |
 BetMGM |
|---|---|---|
| Astros |
|
Team | BetRivers |
BetMGM |
|---|---|---|
| Mariners |
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 beting odds and stats update throughout the season:
Team Standings
| Team | W | L | Pct | GB | Home | Away | RS | RA | Diff | Strk | L10 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Houston Astros | 86 | 72 | 0.544 | +15.5 | 39-42 | 47-30 | 808 | 693 | +115 | L1 | 3-7 |
| Seattle Mariners | 85 | 72 | 0.541 | +16.0 | 42-34 | 43-38 | 742 | 643 | +99 | W1 | 4-6 |
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, September 27th, 2023 at 9:40 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 September 27, 2023 MLB Games
| Matchup | Date & Time |
|---|---|
| Arizona Diamondbacks vs Chicago White Sox | 2:10pm EDT |
| Cincinnati Reds vs Cleveland Guardians | 6:10pm EDT |
| Tampa Bay Rays vs Boston Red Sox | 6:10pm EDT |
| Washington Nationals vs Baltimore Orioles | 6:35pm EDT |
| Kansas City Royals vs Detroit Tigers | 6:40pm EDT |
| Pittsburgh Pirates vs Philadelphia Phillies | 6:40pm EDT |
| New York Yankees vs Toronto Blue Jays | 7:07pm EDT |
| Miami Marlins vs New York Mets | 7:10pm EDT |
| Chicago Cubs vs Atlanta Braves | 7:20pm EDT |
| St. Louis Cardinals vs Milwaukee Brewers | 7:40pm EDT |
| Oakland Athletics vs Minnesota Twins | 7:40pm EDT |
| Los Angeles Dodgers vs Colorado Rockies | 8:40pm EDT |
| Texas Rangers vs Los Angeles Angels | 9:38pm EDT |
| San Diego Padres vs San Francisco Giants | 9:45pm EDT |