Kansas City Royals vs Seattle Mariners Odds

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The Royals will play the Mariners on Sunday, May 3rd, 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

Key Matchup Stats

  • SportsBetting3.com Power Rankings - The Kansas City Royals have a 85.67 power ranking. The power ranking for the Seattle Mariners is 91.00.
  • Visiting Kansas City Royals - The Kansas City Royals have a 2-10 record as a visiting team, ranking them 8th Overall for visiting team wins.
  • Home Seattle Mariners - The Seattle Mariners have a 9-7 record as a home team. They rank 1st for home team wins in the Overall standings.
  • Runs Scored - The Kansas City Royals currently stand 21st (82) Overall, with the Seattle Mariners ranking 17th (96) for runs scored.
  • Runs Allowed - The Kansas City Royals are 8th (115) Overall for runs allowed. The Seattle Mariners stand 16th (95) for runs allowed.
  • Team Streaks - The Kansas City Royals won their last game. Meanwhile, the Seattle Mariners have lost their last 2 games.
  • Team Records - The Kansas City Royals have a 8-16 Overall record (5.5 GB American Central Division), with the Seattle Mariners possessing a 10-15 Overall standing (3.5 GB American West Division).

Best Royals at Mariners Odds


Best Moneyline Betting Odds
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Moneyline odds are updating, please check back soon.

Best Total Betting Odds
OverUnder
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Best Run Line Betting Odds
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MLB Odds Example

MLB Odds and Outcomes Explained
Game Book

Kansas City Royals at Seattle Mariners Prop Bets

MLB Prop Bets
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5/03/26 4:10pm EDT
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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

No World Series TM Kansas City Royals YR: futures available

Seattle Mariners World Series Odds

No World Series TM Seattle Mariners YR: futures available

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
Seattle Mariners56600.483+16.533-2623-34458472-14L14-6
Kansas City Royals48670.417+24.028-2720-40477579-102W25-5

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 Sunday, May 3rd, 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.

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