Boston Red Sox vs Seattle Mariners Odds

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

A broken compass is right at least twice a day.

Captain Shady Lines
Captain Shady Lines

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


Best Moneyline Betting Odds
Underdog

Boston Red Sox
Favorite

Seattle Mariners
The Seattle Mariners are the -140 moneyline favorite. Risk $140 to win $100 on the Seattle Mariners at BetMGM. The Boston Red Sox are the +120 underdog at BetMGM. Risk $100 to win $120 on the Boston Red Sox. Learn more about how to bet on money lines.

Best Total Betting Odds
OverUnder
BetMGM has the best over line of 7.5 runs. Risk $120 to win $100. BetMGM has the best under line of 7.5 runs. Risk $100 to win $100. Our tutorial explains more about total bets.

Best Run Line Betting Odds
Underdog

Boston Red Sox
Favorite

Seattle Mariners
The Seattle Mariners have a -1.5 +145 run line at BetMGM OH. They are the run line favorite in this matchup. The Boston Red Sox have a +1.5 -175 run line at BetMGM OH. The Boston Red Sox are the run line underdogs. Review how to bet on a point spread with our text and video tutorials.

Matchup Odds FAQs

What is the moneyline for the Boston Red Sox vs Seattle Mariners MLB game on Sunday, March 31st, 2024?

The Seattle Mariners are the -140 moneyline favorite at BetMGM and the Boston Red Sox are the +120 moneyline underdog at BetMGM.

What is the over-under total line for the Boston Red Sox vs Seattle Mariners MLB game on Sunday, March 31st, 2024?

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 7.5 +100 runs at BetMGM, and that means you risk $100 to win $100 betting the under.

What is the run line for the Boston Red Sox vs Seattle Mariners MLB game on Sunday, March 31st, 2024?

The Seattle Mariners are -1.5 +145 run line favorites at BetMGM, while the Boston Red Sox are +1.5 -175 run line underdogs at BetMGM.

MLB Odds Example

MLB Odds and Outcomes Explained

Game
BetMGM Sports Betting BetMGM
Bet
Red Sox
Mariners
3/31/24 4:10pm EDT
+120-140
Bet $100 at BetMGM Ohio
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Possible Moneyline Outcomes
  • 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

MLB Prop Bets
+ Displays more odds
BetMGM Sports Betting 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 Sports Betting 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
2025 Boston Red Sox World Series Odds

Team
BetMGM Sports Betting BetMGM
Red Sox
+2000
Bet
Seattle Mariners World Series Odds
2025 Seattle Mariners World Series Odds

Team
BetMGM Sports Betting BetMGM
Mariners
+3000
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

2024 MLB Regular Season Standings - Boston Red Sox, Seattle Mariners
Team W L Pct GB Home Away RS RA Diff Strk L10
e - Seattle Mariners85770.525+13.049-3236-45676607+69W48-2
e - Boston Red Sox81810.500+17.038-4343-38751747+4W15-5

How to Bet on the Game

Time needed: 4 minutes.

How to Bet on the Boston Red Sox vs Seattle Mariners MLB Game

  1. 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.

  2. 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.

  3. 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.

  4. 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 March 31, 2024 MLB Games

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