Cleveland Guardians vs Seattle Mariners Odds

The Guardians will play the Mariners on Thursday, March 26th, 2026. Your timezone's first pitch time is 10:10 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

Best Guardians at Mariners Odds


Best Moneyline Betting Odds
Underdog

Cleveland Guardians
Favorite

Seattle Mariners
The Seattle Mariners are the -165 moneyline favorite. Risk $165 to win $100 on the Seattle Mariners at BetMGM. The Cleveland Guardians are the +140 underdog at BetMGM. Risk $100 to win $140 on the Cleveland Guardians. Learn more about how to bet on money lines.

Best Total Betting Odds
OverUnder
BetMGM has the best over line of 6.5 runs. Risk $120 to win $100. BetMGM has the best under line of 6.5 runs. Risk $100 to win $100. Our tutorial explains more about total bets.

Best Run Line Betting Odds
Underdog

Cleveland Guardians
Favorite

Seattle Mariners
The Seattle Mariners have a -1.5 +135 run line at BetMGM OH. They are the run line favorite in this matchup. The Cleveland Guardians have a +1.5 -160 run line at BetMGM OH. The Cleveland Guardians 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 Cleveland Guardians vs Seattle Mariners MLB game on Thursday, March 26th, 2026?

The Seattle Mariners are the -165 moneyline favorite at BetMGM and the Cleveland Guardians are the +140 moneyline underdog at BetMGM.

What is the over-under total line for the Cleveland Guardians vs Seattle Mariners MLB game on Thursday, March 26th, 2026?

The best over line is 6.5 -120 runs at BetMGM, which means you risk $120 to win $100 betting the over. The best under line is 6.5 +100 runs at BetMGM, and that means you risk $100 to win $100 betting the under.

What is the run line for the Cleveland Guardians vs Seattle Mariners MLB game on Thursday, March 26th, 2026?

The Seattle Mariners are -1.5 +135 run line favorites at BetMGM, while the Cleveland Guardians are +1.5 -160 run line underdogs at BetMGM.

MLB Odds Example

MLB Odds and Outcomes Explained

Game
BetMGM Sports Betting BetMGM
Bet
Guardians
Mariners
3/26/26 10:10pm EDT
+140-165
Bet $100 at BetMGM Ohio
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Possible Moneyline Outcomes
  • Cleveland Guardians bettors risk $100 to win $140 at +140 odds. The implied probability for Cleveland Guardians is 41.67%.
  • Seattle Mariners bettors risk $100 to win $60.61 at -165 odds. The implied probability for Seattle Mariners is 62.26%.

Cleveland Guardians at Seattle Mariners Prop Bets

MLB Prop Bets
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BetMGM Sports Betting BetMGM
Bet
Guardians
Mariners
3/26/26 10:10pm EDT
Pending BetMGM

Cleveland Guardians & 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.

Cleveland Guardians World Series Odds
2026 Cleveland Guardians World Series Odds

Team
BetMGM Sports Betting BetMGM
Guardians
+5000
Bet
Seattle Mariners World Series Odds
2026 Seattle Mariners World Series Odds

Team
BetMGM Sports Betting BetMGM
Mariners
+1300
Bet

Cleveland Guardians & 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

2026 MLB Regular Season Standings - Cleveland Guardians, Seattle Mariners
Team W L Pct GB Home Away RS RA Diff Strk L10
Cleveland Guardians000.0000.00-00-0000-0
Seattle Mariners000.0000.00-00-0000-0

How to Bet on the Game

Time needed: 4 minutes.

How to Bet on the Cleveland Guardians 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 Thursday, March 26th, 2026 at 10:10 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 Cleveland Guardians vs Seattle Mariners Game.

    Navigate to the sportsbook's MLB page. Next, look for live or upcoming matchups. Select the Cleveland Guardians 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.

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