The Mariners will play the Cardinals on Sunday, April 26th, 2026. Your timezone's first pitch time is 2:15 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
- Matchup Stats
- Captain Shady Lines
- Best Odds
- Interactive Odds Example
- Prop Bets
- Team Futures Odds
- Team Pages
- Team Standings
- Other Games Today
Key Matchup Stats
- SportsBetting3.com Power Rankings - The Seattle Mariners have a 91.00 power ranking. The power ranking for the St. Louis Cardinals is 93.00.
- Visiting Seattle Mariners - The Seattle Mariners have a 1-8 record as a visiting team, ranking them 9th Overall for visiting team wins.
- Home St. Louis Cardinals - The St. Louis Cardinals have a 7-5 record as a home team. They rank 3rd for home team wins in the Overall standings.
- Runs Scored - The Seattle Mariners currently stand 17th (96) Overall, with the St. Louis Cardinals ranking 9th (111) for runs scored.
- Runs Allowed - The Seattle Mariners are 16th (95) Overall for runs allowed. The St. Louis Cardinals stand 5th (119) for runs allowed.
- Team Streaks - The Seattle Mariners have lost their last 2 games. Meanwhile, the St. Louis Cardinals won their last game.
- Team Records - The Seattle Mariners have a 10-15 Overall record (3.5 GB American West Division), with the St. Louis Cardinals possessing a 14-9 Overall standing (1.5 GB National Central Division).
Captain Shady Lines
A broken compass is right at least twice a day.
Listen up, ye scurvy dogs! The Mariners be takin' on the Cardinals in St. Louis...
These landlubbers be comin' in with a measly 0.400 win percentage... (Arrr, it be an embarrassment to the entire crew, I tell ye!)
If ye be feelin' lucky, head on over to SportsBetting3.com... bet on this game and review the odds below before it be too late!
Best Mariners at Cardinals Odds
| Underdog St. Louis Cardinals | Favorite Seattle Mariners |
|---|---|
| Over | Under |
|---|---|
| Underdog St. Louis Cardinals | Favorite Seattle Mariners |
|---|---|
Matchup Odds FAQs
The Seattle Mariners are the -130 moneyline favorite at BetMGM and the St. Louis Cardinals are the +110 moneyline underdog at BetMGM.
The best over line is 8.5 -115 runs at BetMGM, which means you risk $115 to win $100 betting the over. The best under line is 8.5 -105 runs at BetMGM, and that means you risk $105 to win $100 betting the under.
The Seattle Mariners are -1.5 +125 run line favorites at BetMGM, while the St. Louis Cardinals are +1.5 -155 run line underdogs at BetMGM.
MLB Odds Example
|
Game |
 BetMGMBet |
|---|---|
Mariners
Cardinals
4/26/26 2:15pm EDT | -130+110 |
- St. Louis Cardinals bettors risk $100 to win $110 at +110 odds. The implied probability for St. Louis Cardinals is 47.62%.
- Seattle Mariners bettors risk $100 to win $76.92 at -130 odds. The implied probability for Seattle Mariners is 56.52%.
Seattle Mariners at St. Louis Cardinals Prop Bets
| BetMGM Bet |
|
|---|---|
Mariners
Cardinals
First Team to Score
4/26/26 2:15pm EDT | -180+140Bet |
Mariners
Cardinals
Tie
1st Inning Winner
4/26/26 2:15pm EDT | +250+320-125Bet |
Mariners
Cardinals
Tie
First 3 Innings Winner
4/26/26 2:15pm EDT | +120+154+310Bet |
Mariners
Cardinals
To Extra Innings
4/26/26 2:15pm EDT | Yes +750No -1200Bet |
| BetMGM | |
Mariners
Cardinals
1st Team to Score Will Win
4/26/26 2:15pm EDT | Yes -250No +190Bet |
Mariners
Total Runs
SEA at STL 4/26/26 2:15pm EDT | 4.5 o -1054.5 u -125Bet |
Cardinals
Total Runs
SEA at STL 4/26/26 2:15pm EDT | 3.5 o -1303.5 u +100Bet |
Seattle Mariners & St. Louis Cardinals 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.
Seattle Mariners World Series Odds|
Team | BetMGM |
|---|---|
| Mariners | +1300 Bet |
|
Team | BetMGM |
|---|---|
| Cardinals | +15000 Bet |
Seattle Mariners & St. Louis Cardinals 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| St. Louis Cardinals | 14 | 9 | 0.609 | +2.0 | 7-5 | 7-4 | 111 | 119 | -8 | W1 | 6-4 |
| Seattle Mariners | 10 | 15 | 0.400 | +7.0 | 9-7 | 1-8 | 96 | 95 | +1 | L2 | 4-6 |
How to Bet on the Game
Time needed: 4 minutes.
How to Bet on the Seattle Mariners vs St. Louis Cardinals 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 Sunday, April 26th, 2026 at 2:15 pm EDT, 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 Seattle Mariners vs St. Louis Cardinals Game.
Navigate to the sportsbook's MLB page. Next, look for live or upcoming matchups. Select the Seattle Mariners vs St. Louis Cardinals 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 April 26, 2026 MLB Games
- Boston Red Sox vs Baltimore Orioles - 4/26/26 1:35pm EDT
- Philadelphia Phillies vs Atlanta Braves - 4/26/26 1:35pm EDT
- Cleveland Guardians vs Toronto Blue Jays - 4/26/26 1:37pm EDT
- Detroit Tigers vs Cincinnati Reds - 4/26/26 1:40pm EDT
- Minnesota Twins vs Tampa Bay Rays - 4/26/26 1:40pm EDT
- Colorado Rockies vs New York Mets - 4/26/26 1:45pm EDT
- Washington Nationals vs Chicago White Sox - 4/26/26 2:10pm EDT
- Pittsburgh Pirates vs Milwaukee Brewers - 4/26/26 2:10pm EDT
- New York Yankees vs Houston Astros - 4/26/26 2:10pm EDT
- Oakland Athletics vs Texas Rangers - 4/26/26 2:30pm EDT
- San Diego Padres vs Arizona Diamondbacks - 4/26/26 4:05pm EDT
- Miami Marlins vs San Francisco Giants - 4/26/26 4:05pm EDT
- Chicago Cubs vs Los Angeles Dodgers - 4/26/26 4:10pm EDT
- Colorado Rockies vs New York Mets - 4/26/26 4:40pm EDT
- Los Angeles Angels vs Kansas City Royals - 4/26/26 7:20pm EDT