St. Louis Cardinals vs Seattle Mariners Odds

The Cardinals will play the Mariners on Sunday, April 23rd, 2023. 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 Cardinals at Mariners Odds


Best Moneyline Betting Odds
Underdog

St. Louis Cardinals
Favorite

Seattle Mariners
The Seattle Mariners are the -110 moneyline favorite. Risk $110 to win $100 on the Seattle Mariners at BetMGM. The St. Louis Cardinals are the -110 underdog at BetMGM. Risk $110 to win $100 on the St. Louis Cardinals. Learn more about how to bet on money lines.

Best Total Betting Odds
OverUnder
BetMGM has the best over line of 9 runs. Risk $105 to win $100. BetMGM has the best under line of 9 runs. Risk $115 to win $100. Our tutorial explains more about total bets.

Best Run Line Betting Odds
Underdog

Seattle Mariners
Favorite

St. Louis Cardinals
The St. Louis Cardinals 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 -175 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 St. Louis Cardinals vs Seattle Mariners MLB game on Sunday, April 23rd, 2023?

The Seattle Mariners are the -110 moneyline favorite at BetMGM and the St. Louis Cardinals are the -110 moneyline underdog at BetMGM.

What is the over-under total line for the St. Louis Cardinals vs Seattle Mariners MLB game on Sunday, April 23rd, 2023?

The best over line is 9 -105 runs at BetMGM, which means you risk $105 to win $100 betting the over. The best under line is 9 -115 runs at BetMGM, and that means you risk $115 to win $100 betting the under.

What is the run line for the St. Louis Cardinals vs Seattle Mariners MLB game on Sunday, April 23rd, 2023?

The St. Louis Cardinals are -1.5 +145 run line favorites at BetMGM, while the Seattle Mariners are +1.5 -175 run line underdogs at BetMGM.

MLB Odds Example

MLB Odds and Outcomes Explained

Game
BetMGM Sports Betting BetMGM
Bet
Cardinals
Mariners
4/23/23 4:10pm EDT
-110-110
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Possible Moneyline Outcomes
  • St. Louis Cardinals bettors risk $100 to win $90.91 at -110 odds. The implied probability for St. Louis Cardinals is 52.38%.
  • Seattle Mariners bettors risk $100 to win $90.91 at -110 odds. The implied probability for Seattle Mariners is 52.38%.

St. Louis Cardinals at Seattle Mariners Prop Bets

MLB Prop Bets
+ Displays more odds
BetMGM Sports Betting BetMGM
Bet
Cardinals
Mariners
First Team to Score
4/23/23 4:10pm EDT
-165+130Bet
Cardinals
Mariners
To Extra Innings
4/23/23 4:10pm EDT
Yes +775No -1400Bet
Cardinals
Mariners
1st Team to Score Will Win
4/23/23 4:10pm EDT
Yes -250No +190Bet
Mariners
Total Runs
STL at SEA
4/23/23 4:10pm EDT
4.5 o +1054.5 u -140Bet
BetMGM Sports Betting BetMGM
Cardinals
Total Runs
STL at SEA
4/23/23 4:10pm EDT
4.5 o -1054.5 u -125Bet
Chris Flexen
Strikeouts Thrown
STL at SEA
4/23/23 4:10pm EDT
3.5 o -1303.5 u +100Bet
Jack Flaherty
Strikeouts Thrown
STL at SEA
4/23/23 4:10pm EDT
5.5 o +1205.5 u -155Bet

St. Louis Cardinals & 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.

St. Louis Cardinals World Series Odds
2025 St. Louis Cardinals World Series Odds

Team
BetMGM Sports Betting BetMGM
Cardinals
+8000
Bet
Seattle Mariners World Series Odds
2025 Seattle Mariners World Series Odds

Team
BetMGM Sports Betting BetMGM
Mariners
+3000
Bet

St. Louis Cardinals & 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

2023 MLB Regular Season Standings - St. Louis Cardinals, Seattle Mariners
Team W L Pct GB Home Away RS RA Diff Strk L10
e - Seattle Mariners88740.543+16.045-3643-38758659+99W14-6
e - St. Louis Cardinals71910.438+33.035-4636-45719829-110W24-6

How to Bet on the Game

Time needed: 4 minutes.

How to Bet on the St. Louis Cardinals 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, April 23rd, 2023 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 St. Louis Cardinals vs Seattle Mariners Game.

    Navigate to the sportsbook's MLB page. Next, look for live or upcoming matchups. Select the St. Louis Cardinals 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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