Kansas City Royals vs Seattle Mariners Odds

The Royals will play the Mariners on Tuesday, March 10th, 2026. 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

Best Royals at Mariners Odds


Best Moneyline Betting Odds
Underdog

Kansas City Royals
Favorite

Seattle Mariners
The Seattle Mariners are the -115 moneyline favorite. Risk $115 to win $100 on the Seattle Mariners at BetMGM. The Kansas City Royals are the -105 underdog at BetMGM. Risk $105 to win $100 on the Kansas City Royals. Learn more about how to bet on money lines.

Best Total Betting Odds
OverUnder
BetMGM has the best over line of 9.5 runs. Risk $100 to win $100. BetMGM has the best under line of 9.5 runs. Risk $120 to win $100. Our tutorial explains more about total bets.

Best Run Line Betting Odds
Underdog

Seattle Mariners
Favorite

Kansas City Royals
The Kansas City Royals have a -1.5 +145 run line at BetMGM OH. They are the run line favorite in this matchup. The Seattle Mariners have a +1.5 -165 run line at BetMGM OH. The Seattle Mariners 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 Kansas City Royals vs Seattle Mariners MLB game on Tuesday, March 10th, 2026?

The Seattle Mariners are the -115 moneyline favorite at BetMGM and the Kansas City Royals are the -105 moneyline underdog at BetMGM.

What is the over-under total line for the Kansas City Royals vs Seattle Mariners MLB game on Tuesday, March 10th, 2026?

The best over line is 9.5 +100 runs at BetMGM, which means you risk $100 to win $100 betting the over. The best under line is 9.5 -120 runs at BetMGM, and that means you risk $120 to win $100 betting the under.

What is the run line for the Kansas City Royals vs Seattle Mariners MLB game on Tuesday, March 10th, 2026?

The Kansas City Royals are -1.5 +145 run line favorites at BetMGM, while the Seattle Mariners are +1.5 -165 run line underdogs at BetMGM.

MLB Odds Example

MLB Odds and Outcomes Explained

Game
BetMGM Sports Betting BetMGM
Bet
Royals
Mariners
3/10/26 4:10pm EDT
-105-115
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Possible Moneyline Outcomes
  • Kansas City Royals bettors risk $100 to win $95.24 at -105 odds. The implied probability for Kansas City Royals is 51.22%.
  • Seattle Mariners bettors risk $100 to win $86.96 at -115 odds. The implied probability for Seattle Mariners is 53.49%.

Kansas City Royals at Seattle Mariners Prop Bets

MLB Prop Bets
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BetMGM Sports Betting BetMGM
Bet
Royals
Mariners
3/10/26 4:10pm EDT
Pending BetMGM

Kansas City Royals & 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.

Kansas City Royals World Series Odds
2026 Kansas City Royals World Series Odds

Team
BetMGM Sports Betting BetMGM
Royals
+3500
Bet
Seattle Mariners World Series Odds
2026 Seattle Mariners World Series Odds

Team
BetMGM Sports Betting BetMGM
Mariners
+1300
Bet

Kansas City Royals & 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 - Kansas City Royals, Seattle Mariners
Team W L Pct GB Home Away RS RA Diff Strk L10
Kansas City Royals000.0000.00-00-0000-0
Seattle Mariners000.0000.00-00-0000-0

How to Bet on the Game

Time needed: 4 minutes.

How to Bet on the Kansas City Royals 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 Tuesday, March 10th, 2026 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 Kansas City Royals vs Seattle Mariners Game.

    Navigate to the sportsbook's MLB page. Next, look for live or upcoming matchups. Select the Kansas City Royals 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 10, 2026 MLB Games

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