Mariners Complete Sweep Over Cardinals with 5-3 Victory
Tuesday, September 9, 2025, 9:40 PM ET · T-Mobile Park
Seattle Mariners 5, St. Louis Cardinals 3, final. Our MLB picks are sealed as a hash before kickoff and settled in public, losses included.
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Quick answers
Who won St. Louis Cardinals vs Seattle Mariners?
Seattle Mariners beat St. Louis Cardinals 5-3 at T-Mobile Park on September 9, 2025.
The Seattle Mariners secured a decisive 5-3 victory over the St. Louis Cardinals on September 9, 2025, completing a three-game sweep of the series. This win marks the Mariners' dominance over the Cardinals, as they have now won all three matchups in this series. The Mariners improved their record to 78-68, while the Cardinals fell to 72-75.
In the game, the Cardinals initially took the lead in the second inning when Nolan Gorman doubled to left, allowing Willson Contreras to score. Shortly after, Saggese's single to center brought Gorman home, putting the Cardinals up 2-0. However, the Mariners responded in the third inning with a three-run burst, highlighted by a home run from Randy Arozarena, which cleared the left field fence at 405 feet, scoring both Robles and Crawford.
The scoring continued as the Cardinals tied the game in the fourth inning when Fermín reached on an infield single, allowing Saggese to score. The Mariners regained the lead shortly after with a homer from Naylor, who sent the ball 415 feet into right center. A sacrifice fly from Arozarena later in the inning brought Garver home, sealing the game for the Mariners at 5-3.
The Mariners have shown solid form recently, with a record of 4-6 in their last ten games but riding a three-game winning streak. They have averaged 5.5 runs scored per game while allowing 4.6 runs. At home, they have a record of 1-0 in this series and are 3-2 in their last five games, scoring an impressive average of 7.4 runs while allowing only 3.8 runs.
In contrast, the Cardinals have struggled, holding a record of 6-4 in their last ten but are currently on a one-game losing streak. They have averaged 3.7 runs scored and allowed 4.3 runs during this stretch. Their away performance has been less favorable, with a 2-2 record in their last four games.
In terms of injuries, the Mariners are dealing with several key players on the injured list, including Brendan Donovan, who is on the 7-Day IL due to a concussion, and Cole Wilcox on the 15-Day IL with an oblique injury. Other players like Matt Brash and Will Wilson are also on the 60-Day IL, affecting the team's depth. The Cardinals are not without their own injury issues, with Everson Pereira on the 10-Day IL due to a hand injury, and Ramon Urias listed as day-to-day with an arm issue.
The conditions at T-Mobile Park were favorable for baseball, contributing to a competitive atmosphere. The Mariners' home-field advantage was evident as they capitalized on their opportunities, particularly in crucial moments of the game.
As the Mariners continue their push for a playoff spot, their ability to maintain this level of performance will be critical. The sweep against the Cardinals not only boosts their confidence but also positions them well in the standings as they look to build on this success.
Injury report
- Brendan Donovan7-Day ILConcussionSeattle Mariners
- Cole Wilcox15-Day-ILObliqueSeattle Mariners
- Matt Brash60-Day-ILLatSeattle Mariners
- Will Wilson60-Day-ILThumbSeattle Mariners
- Emerson Hancock15-Day-ILGroinSeattle Mariners
- Everson Pereira10-Day-ILHandSt. Louis Cardinals
- Ramon UriasDay-To-DayArmSt. Louis Cardinals
- Masyn Winn10-Day-ILThumbSt. Louis Cardinals
- Andre Pallante15-Day-ILElbowSt. Louis Cardinals
- JJ Wetherholt10-Day-ILWristSt. Louis Cardinals
Recent form
Seattle Mariners
Last 10: 4-6Streak W35.5 scored · 4.6 allowed per game1-0 at home
- W4-2vs St. Louis CardinalsSep 9
- W18-2at Atlanta BravesSep 7
- W10-2at Atlanta BravesSep 6
- L1-4at Atlanta BravesSep 5
- L4-9at Tampa Bay RaysSep 3
- L5-6at Tampa Bay RaysSep 2
- L2-10at Tampa Bay RaysSep 1
- W4-2at Cleveland GuardiansAug 31
- L3-4at Cleveland GuardiansAug 30
- L4-5at Cleveland GuardiansAug 29
St. Louis Cardinals
Last 10: 6-4Streak L13.7 scored · 4.3 allowed per game2-2 away
- L2-4at Seattle MarinersSep 9
- W4-3vs San Francisco GiantsSep 7
- L2-8vs San Francisco GiantsSep 6
- W5-1vs AthleticsSep 3
- W2-1vs AthleticsSep 2
- L3-11vs AthleticsSep 1
- L4-7at Cincinnati RedsAug 31
- W4-2at Cincinnati RedsAug 30
- W7-5at Cincinnati RedsAug 29
- W4-1vs Pittsburgh PiratesAug 28
Standings
| Team | Games behind | Lost | Streak | Win % | Won |
|---|---|---|---|---|---|
| Milwaukee | - | 53 | W2 | .621 | 87 |
| Chicago | 9 | 62 | L2 | .557 | 78 |
| St. Louis | 17 | 70 | W2 | .500 | 70 |
| Pittsburgh | 19 | 72 | L1 | .486 | 68 |
| Cincinnati | 20 | 73 | W2 | .479 | 67 |
| Houston | - | 69 | W1 | .507 | 71 |
| Texas | 2 | 71 | L1 | .493 | 69 |
| Seattle | 5 | 74 | W2 | .471 | 66 |
| Athletics | 17 | 86 | W1 | .386 | 54 |
| Los Angeles | 18 | 87 | L2 | .379 | 53 |
How the scoring went
- 2nd Inning1-0Gorman doubled to left, Contreras scored.
- 2nd Inning2-0Saggese singled to center, Gorman scored.
- 3rd Inning2-3Arozarena homered to left (405 feet), Robles scored and Crawford scored.
- 4th Inning3-3Fermín reached on infield single to third, Saggese scored, Pagés to second.
- 4th Inning3-4Naylor homered to right center (415 feet).
- 4th Inning3-5Arozarena hit sacrifice fly to right, Garver scored, Robles to third.
Win probability
Above the line favours Seattle Mariners, below favours St. Louis Cardinals.
Venue
- T-Mobile ParkSeattle, Washington
- Attendance23044
- OfficialsChad Whitson, Ben May, Brock Ballou, Chris Guccione
Elsewhere
- 2026 MLB ABS challenge system tracker: Team, player rankings
- Saggese hits go-ahead single in the 10th in the Cardinals' 8-6 victory over the Dodgers
- St. Louis Cardinals vs. Los Angeles Dodgers: Game Highlights
- Schlittler sharp, the Yankees score 5 2-out runs in the 10th in a 6-3 win over the Angels
- New York Yankees vs. Los Angeles Angels: Game Highlights
- Pitcher Trent Thornton has fit of rage in dugout after being pulled by Cubs
Picks for MLB
MLB rules and settlement
These two, other days
- Mariners Complete Sweep Over Cardinals in Close ContestApr 26, 2026
- Mariners Edge Cardinals in High-Scoring AffairApr 25, 2026
- Mariners Complete Series Sweep Over CardinalsApr 24, 2026
- Mariners Sweep Cardinals in Thrilling Extra-Inning ClashSep 10, 2025
- Mariners Complete Sweep Over Cardinals with 4-2 WinSep 8, 2025