The Royals will play the Mariners on Wednesday, March 12th, 2025. Your timezone's first pitch time is 3:10 pm CDT. 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 Odds
- Interactive Odds Example
- Prop Bets
- Team Futures Odds
- Team Pages
- Team Standings
- Other Games Today
Best Royals at Mariners Odds
| Underdog Kansas City Royals | Favorite Seattle Mariners |
|---|---|
| Over | Under |
|---|
| TBD | TBD |
|---|
Matchup Odds FAQs
The Seattle Mariners are the -175 moneyline favorite at BetRivers and the Kansas City Royals are the +143 moneyline underdog at BetRivers.
MLB Odds Example
|
Game |
 BetRiversBet |
|---|---|
Royals
Mariners
3/12/25 3:10pm CDT | +143-175 |
- Kansas City Royals bettors risk $100 to win $143 at +143 odds. The implied probability for Kansas City Royals is 41.15%.
- Seattle Mariners bettors risk $100 to win $57.14 at -175 odds. The implied probability for Seattle Mariners is 63.64%.
Kansas City Royals at Seattle Mariners Prop Bets
 BetMGMBet |
|
|---|---|
Royals
Mariners
3/12/25 3:10pm CDT | 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|
Team | BetMGM |
BetRivers |
|---|---|---|
| Royals | +4000 Bet | +3000 Bet |
|
Team | BetMGM |
BetRivers |
|---|---|---|
| Mariners | +3000 Bet | +2500 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
| Team | W | L | Pct | GB | Home | Away | RS | RA | Diff | Strk | L10 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Seattle Mariners | 10 | 9 | 0.526 | +5.0 | 8-5 | 2-4 | 81 | 83 | -2 | W2 | 7-3 |
| Kansas City Royals | 8 | 12 | 0.400 | +7.5 | 6-4 | 2-8 | 59 | 78 | -19 | L4 | 3-7 |
How to Bet on the Game
Time needed: 4 minutes.
How to Bet on the Kansas City Royals 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 Wednesday, March 12th, 2025 at 3:10 pm CDT, 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 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.
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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.
Other March 12, 2025 MLB Games
- Atlanta Braves vs Baltimore Orioles
- Tampa Bay Rays vs Detroit Tigers
- New York Mets vs St. Louis Cardinals
- Houston Astros vs Washington Nationals
- Cincinnati Reds vs Texas Rangers
- San Francisco Giants vs Cleveland Guardians
- Los Angeles Angels vs Chicago White Sox
- Arizona Diamondbacks vs Oakland Athletics
- San Diego Padres vs Colorado Rockies
- Minnesota Twins vs Boston Red Sox