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MLB · Final

Mariners Complete Sweep Over Cardinals with 4-2 Win

Monday, September 8, 2025, 9:40 PM ET · T-Mobile Park

Seattle Mariners 4, St. Louis Cardinals 2, 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 4-2 at T-Mobile Park on September 8, 2025.

The Seattle Mariners secured a decisive 4-2 victory over the St. Louis Cardinals, completing a three-game sweep in the series. This win not only showcased the Mariners' ability to perform under pressure but also highlighted their recent resurgence, particularly after a rough stretch earlier in the season. The Mariners now hold a home record of 76-68, while the Cardinals are at 72-73 for the season.

In this matchup, the Mariners demonstrated their offensive capabilities, particularly in the sixth inning, where they scored three crucial runs. Julio Rodríguez played a pivotal role, contributing with a single that brought in Rivas, setting the stage for Naylor’s double that scored both Arozarena and Raleigh. The Mariners' ability to capitalize on opportunities was evident as they overcame a 2-0 deficit after Burleson's homer in the fourth inning, which had given the Cardinals an early lead.

Seattle's recent form has been a mixed bag, with a record of 3-7 over their last ten games before this victory. However, they have shown signs of improvement, winning their last two games against the Atlanta Braves prior to facing the Cardinals. Their scoring average in those last ten games was 5.7 runs per game while allowing 5.1 runs, indicating a tendency for high-scoring affairs. At home, the Mariners had struggled, holding a 0-1 record in their last home game prior to this series, but their away performance has been notably better, with a 3-6 record.

Conversely, the Cardinals have been more consistent, boasting a 6-4 record over their last ten games leading up to this match, with their last game resulting in a win against the San Francisco Giants. Their scoring average during this stretch was 3.6 runs per game, while they allowed 4.1 runs. The Cardinals have had a slightly better away record of 2-1 in their last three games, showcasing their ability to compete even outside of their home park.

In terms of injuries, the Mariners were dealing with several key players on the injured list, including Brendan Donovan (7-Day IL, concussion), Cole Wilcox (15-Day IL, oblique), Matt Brash (60-Day IL, lat), Will Wilson (60-Day IL, thumb), and Emerson Hancock (15-Day IL, groin). The Cardinals also faced challenges with Everson Pereira (10-Day IL, hand), Ramon Urias (day-to-day, arm), Masyn Winn (10-Day IL, thumb), Andre Pallante (15-Day IL, elbow), and JJ Wetherholt (10-Day IL, wrist). These injuries undoubtedly impacted both teams' lineups and strategies throughout the series.

The Mariners' victory came under clear skies at T-Mobile Park, creating an ideal setting for baseball. The home crowd was treated to a thrilling game, witnessing their team not only secure a win but also complete a series sweep against a competitive opponent. The Mariners' performance in this game and series could be pivotal as they push towards the end of the season, aiming for a strong finish.

As for betting lines, the market had priced the Mariners with a strong probability of winning this matchup at 1.0, reflecting their recent form and home advantage. This win further solidifies their position as they look to build momentum in the final stretch of the season.

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: 3-7Streak W25.7 scored · 5.1 allowed per game0-1 at home

  • 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
  • L6-7vs San Diego PadresAug 27

St. Louis Cardinals

Last 10: 6-4Streak W13.6 scored · 4.1 allowed per game2-1 away

  • 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
  • L1-2vs Pittsburgh PiratesAug 27

Standings

TeamGames behindLostStreakWin %Won
Milwaukee-53W2.62187
Chicago962L2.55778
St. Louis1770W2.50070
Pittsburgh1972L1.48668
Cincinnati2073W2.47967
Houston-69W1.50771
Texas271L1.49369
Seattle574W2.47166
Athletics1786W1.38654
Los Angeles1887L2.37953

How the scoring went

  1. 4th Inning2-0Burleson homered to center (416 feet), Herrera scored.
  2. 6th Inning2-1Rodríguez singled to left, Rivas scored, Raleigh to second, Arozarena to third.
  3. 6th Inning2-3Naylor doubled to center, Arozarena scored and Raleigh scored, Rodríguez thrown out at home.
  4. 6th Inning2-4Polanco hit sacrifice fly to right, Naylor scored.

Win probability

Above the line favours Seattle Mariners, below favours St. Louis Cardinals.

Venue

  • T-Mobile ParkSeattle, Washington
  • Attendance22899
  • OfficialsChris Guccione, Chad Whitson, Ben May, Brock Ballou

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Fixture data from the league feeds. The report was written from the recorded facts for this game and nothing else.