The St. Louis Cardinals will play against the Seattle Mariners on Tuesday, September 9, 2025, at 9:40 PM. The game will take place at T-Mobile Park in Seattle, WA. Fans can catch the action on RSNW as the Cardinals look to improve their 72-73 record against the Mariners, who hold a 76-68 record. The weather forecast predicts broken clouds, but the retractable roof at the stadium means the wind should not affect play.

Cardinals vs. Mariners Betting Prediction

• Money Line Prediction: Seattle Mariners -204. The Mariners have a strong home record of 42-27 and are currently on a 3-game winning streak, making them a solid choice.
• Over/Under Prediction: Under 7.5 (-115). Both teams have solid starting pitchers, and the Cardinals’ recent games have been low-scoring.

Team Trends

• The St. Louis Cardinals have a road record of 31-39 this season.
• The Seattle Mariners have a strong home record of 42-27 this season.
• The Mariners are on a 3-game winning streak, while the Cardinals have lost their last game.
• Seattle won their last game against St. Louis with a score of 4-2.
• St. Louis ranks 4th in the NL Central, and Seattle ranks 2nd in the AL West.

Cardinals vs Mariners Preview

The St. Louis Cardinals will visit the Seattle Mariners at T-Mobile Park. The Cardinals are aiming to bounce back after a recent loss. Their current record stands at 72-73, placing them fourth in their division. Matthew Liberatore will take the mound for the Cardinals. He has a 4.15 ERA and a 7-11 win-loss record.

The Mariners are in second place in their division with a 76-68 record. They are riding a three-game winning streak. George Kirby will start for the Mariners, sporting a 4.47 ERA and an 8-7 record. The game will be played under broken clouds, but the retractable roof should keep conditions steady.

Mariners Ready to Make Waves

The Seattle Mariners have some strong hitters this season. Cal Raleigh is leading the team with 53 home runs and 113 RBIs. Eugenio Suárez is also a key player with 45 home runs and 109 RBIs. George Kirby will be the starting pitcher for the Mariners in this game. He has an ERA of 4.47 and a WHIP of 1.23. His record is 8 wins and 7 losses. The Mariners’ team batting average is .243, ranking 14th in the league. They are 2nd in home runs with 210. Their pitching ranks 16th in ERA with a value of 4.00.

Cardinals Aim to Soar

The St. Louis Cardinals have some solid hitters. Willson Contreras stands out with 20 home runs and 78 RBIs. Alec Burleson is also important with a .286 batting average and 17 home runs. Masyn Winn and Brendan Donovan add depth to the lineup. Winn has a batting average of .253 and 9 home runs. Donovan contributes with a .279 average and 57 runs scored. Matthew Liberatore will pitch for the Cardinals. His ERA is 4.15, and he has a WHIP of 1.30. He has 7 wins and 11 losses this season.

Final Betting Pick

The Seattle Mariners are a strong pick for the money line at -204. They have a solid home record of 42-27 and are on a 3-game winning streak. This includes a recent win against the Cardinals, with a score of 4-2. The Mariners’ home performance and recent form give them an edge in this game.

For the over/under prediction, under 7.5 is a good choice. Both teams have reliable starting pitchers, with George Kirby for the Mariners and Matthew Liberatore for the Cardinals. The Cardinals have had low-scoring games recently, as seen in their last game against the Mariners. This trend suggests a lower total score is likely in this game.

All odds are courtesy of Action247 Sportsbook. Good luck!!

* All odds are provided by Action247 Sportsbook and all odds subject to change. **All views expressed are my own. My picks are my own and are not a guarantee, bet at your own risk. Action247 does not warrant the accuracy of completeness of the information, text, graphics, links or other items contained within these post.