Following a two-homer game in a win over the Braves, Eugenio Suarez leads the Seattle Mariners (75-68) into action as -212 favorites against the St. Louis Cardinals (72-72). First pitch from T-Mobile Park at 9:40 p.m. ET on Tuesday, live on ROOT Sports NW and FDSMW.
Seattle’s George Kirby and St. Louis’ Matthew Liberatore have been named the starters for this contest.
Mariners vs. Cardinals Odds
Mariners odds to win: -212 Cardinals odds to win: +176 Spread: Mariners -1.5 Total: 7.5 runsMariners vs. Cardinals Promo Codes
Game Time and Information
Date: Tuesday, September 9, 2025 Time: 9:40 p.m. ET TV: ROOT Sports NW and FDSMWWho Will Win Mariners vs. Cardinals?
Mariners and Cardinals Betting Trends
The Mariners have compiled a 53-45 record in games they were listed as the moneyline favorite (winning 54.1% of those games).
Seattle has gone 6-2 when playing as moneyline favorites with odds of -212 or shorter (75% winning percentage).
The Cardinals have won 38, or 49.4%, of the 77 games they’ve played as underdogs this season.
St. Louis has a record of 1-3 when it’s set as an underdog of +176 or more by oddsmakers this season.
The Mariners have played in 143 games with over/under set, and have combined with opponents to go over the total 77 times (77-61-5).
The Cardinals’ games have gone over the total in 72 of their 143 chances.
Mariners Stats & Insights
The Mariners are the 12th-highest scoring team in baseball averaging 4.7 runs per game (667 total).
Seattle is second-best in MLB action with 210 total home runs.
The Mariners’ .243 batting average ranks 19th in MLB.
Seattle’s 8.9 strikeouts per game are the third-most in baseball.
The Mariners pitching staff ranks 14th in MLB with a collective 8.5 strikeouts per nine innings.
Seattle’s 4.02 team ERA ranks 17th among all MLB pitching staffs.
Cardinals Stats & Insights
The Cardinals have scored 622 runs (4.3 per game) this season, which ranks 16th in MLB.
St. Louis’ 136 home runs rank 26th in MLB this season.
The Cardinals’ .246 batting average ranks 17th in the league this season.
St. Louis ranks eighth in MLB in strikeouts per game with an average of eight Ks per contest.
The Cardinals have a 7.5 K/9 this season as a pitching staff, which ranks 29th in baseball.
St. Louis has pitched to a 4.27 ERA this season, which ranks 21st in baseball.
Mariners Key Players to Watch
Kirby gets the start for the Mariners, his 20th of the season. He is 8-7 with a 4.47 ERA and 104 strikeouts in 104 2/3 innings pitched.
Cal Raleigh leads Seattle in home runs with 53 and runs batted in with 113.
Julio Rodriguez is batting .267 with an OBP of .318 and a slugging percentage of .479 this season.
Josh Naylor’s batting average of .282 leads all Seattle hitters this season.
Suarez has 122 hits and an OBP of .309 to go with a slugging percentage of .550 this season.
Cardinals Key Players to Watch
The Cardinals will send Liberatore (7-11) to the mound for his 27th start this season.
Alec Burleson paces the Cardinals with a .286 batting average.
Masyn Winn is hitting .254 with 27 doubles, nine home runs and 34 walks.
Lars Nootbaar is batting .241 with 22 doubles, a triple, 13 home runs and 55 walks.
Ivan Herrera is batting .283 with 12 doubles, 14 home runs and 34 walks.
Mariners and Cardinals Injuries
Mariners: Jackson Kowar: 15 Day IL (Shoulder), Logan Evans: 15 Day IL (Elbow), Gregory Santos: 60 Day IL (Knee), Ryan Bliss: 60 Day IL (Biceps), Trent Thornton: 60 Day IL (Achilles)
Cardinals: Nolan Arenado: 10 Day IL (Shoulder), Brendan Donovan: 10 Day IL (Groin), John King: 15 Day IL (Back), Zack Thompson: 60 Day IL (Lat)
Mariners vs. Cardinals Prediction
Score Prediction: Mariners 5, Cardinals 4 Total Prediction: Over 7.5 runsHow to Bet on Mariners vs. Cardinals
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