The Red Sox will play the Mariners on Sunday, March 31st, 2024. 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
- Captain Shady Lines
- Best Odds
- Interactive Odds Example
- Prop Bets
- Team Futures Odds
- Team Pages
- Team Standings
- Other Games Today
Captain Shady Lines
A broken compass is right at least twice a day.
Avast ye scallywags! The Red Sox be facing the Mariners in Seattle...
Arrr! The Sox be needin' to step up their game to plunder a victory...
Ye best be heading to SportsBetting3.com to bet on this game... (review the odds below)
The Mariners be holdin' a better record, but the Red Sox be fightin' back...
Don't miss out on the clash of these two salty crews on Sunday...
Ye won't want to miss the high seas battle on the baseball diamond!
Best Red Sox at Mariners Odds
| Underdog Boston Red Sox | Favorite Seattle Mariners |
|---|---|
| Over | Under |
|---|---|
| Underdog Boston Red Sox | Favorite Seattle Mariners |
|---|---|
Matchup Odds FAQs
The Seattle Mariners are the -132 moneyline favorite at BetRivers and the Boston Red Sox are the +120 moneyline underdog at BetMGM.
The best over line is 7.5 -120 runs at BetMGM, which means you risk $120 to win $100 betting the over. The best under line is 8 -114 runs at BetRivers, and that means you risk $114 to win $100 betting the under.
The Seattle Mariners are -1.5 +165 run line favorites at BetRivers, while the Boston Red Sox are +1.5 -175 run line underdogs at BetMGM.
MLB Odds Example
|
Game |
 BetMGMBet |
|---|---|
Red Sox
Mariners
3/31/24 4:10pm EDT | +120-140 |
- Boston Red Sox bettors risk $100 to win $120 at +120 odds. The implied probability for Boston Red Sox is 45.45%.
- Seattle Mariners bettors risk $100 to win $71.43 at -140 odds. The implied probability for Seattle Mariners is 58.33%.
Boston Red Sox at Seattle Mariners Prop Bets
| BetMGM Bet |
|
|---|---|
Red Sox
Mariners
First Team to Score
3/31/24 4:10pm EDT | -125+100Bet |
Red Sox
Mariners
To Extra Innings
3/31/24 4:10pm EDT | Yes +700No -1100Bet |
Red Sox
Mariners
1st Team to Score Will Win
3/31/24 4:10pm EDT | Yes -250No +190Bet |
Red Sox
Total Runs
BOS at SEA 3/31/24 4:10pm EDT | 3.5 o -1103.5 u -115Bet |
| BetMGM | |
Mariners
Total Runs
BOS at SEA 3/31/24 4:10pm EDT | 3.5 o -1503.5 u +115Bet |
Boston Red Sox & 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.
Boston Red Sox World Series Odds|
Team | BetMGM |
 BetRivers |
|---|---|---|
| Red Sox | +8000 Bet | +5000 Bet |
|
Team | BetMGM |
BetRivers |
|---|---|---|
| Mariners | +2200 Bet | +2200 Bet |
Boston Red Sox & 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Boston Red Sox | 14 | 11 | 0.560 | +3.5 | 3-7 | 11-4 | 112 | 89 | +23 | W1 | 6-4 |
| Seattle Mariners | 12 | 11 | 0.522 | +4.5 | 7-6 | 5-5 | 88 | 81 | +7 | W2 | 7-3 |
How to Bet on the Game
Time needed: 4 minutes.
How to Bet on the Boston Red Sox 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 Sunday, March 31st, 2024 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 Boston Red Sox vs Seattle Mariners Game.
Navigate to the sportsbook's MLB page. Next, look for live or upcoming matchups. Select the Boston Red Sox 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.