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MLB · Final

Mariners Sweep Astros with 6-2 Victory

Monday, April 13, 2026, 4:10 PM ET · T-Mobile Park

Seattle Mariners 6, Houston Astros 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 Houston Astros vs Seattle Mariners?

Seattle Mariners beat Houston Astros 6-2 at T-Mobile Park on April 13, 2026.

Who was favored in Houston Astros vs Seattle Mariners?

Seattle Mariners were the favorite at DraftKings, moneyline -181 (about 64% implied). The favorite won.

The Seattle Mariners continued their dominance over the Houston Astros, completing a four-game sweep with a 6-2 victory at T-Mobile Park. This win not only solidifies the Mariners' strong position in the league but also extends their recent success against the Astros, as they have now won their last eight meetings against them, dating back to last season. The Mariners' record against the Astros this season stands at 4-0, showcasing their ability to perform consistently against a rival team.

In terms of recent form, the Mariners have shown improvement, boasting a 5-5 record over their last ten games and currently riding a two-game winning streak. They have averaged 3.5 runs scored per game while allowing 3.3 runs. Their last two victories came against the Astros, with scores of 8-7 and 9-6 in the previous games of the series. At home, the Mariners have a record of 4-2, indicating they have been particularly strong at T-Mobile Park.

On the other hand, the Astros have struggled significantly, suffering their sixth consecutive loss, bringing their recent record to 3-7 over the last ten games. They have averaged 6.3 runs scored but have allowed 7.0 runs per game during this stretch. Their away record is particularly concerning, as they have yet to secure a win in their last six away games, contributing to an overall away record of 0-6.

The Mariners' victory was marked by key scoring plays, starting with a three-run homer by Naylor in the first inning, which set the tone for the game. Naylor added another homer in the third inning, bringing his total runs batted in to five for the night. The scoring continued in the fifth inning with contributions from Diaz and Raley, who helped push the Mariners' lead to 6-2.

In terms of injuries, the Mariners are dealing with several 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 Astros are also facing injury challenges, with Brice Matthews (60-Day IL, knee), Mike Burrows (15-Day IL, elbow), Carlos Correa (60-Day IL, ankle), and Brandon Walter (60-Day IL, elbow) all unavailable for the game.

The betting lines from DraftKings indicated that the Mariners were favored at -181, with a spread of -1.5 and a total set at 7.5. The odds for the over were -115.0, while the under was priced at -105.0. The Mariners were given a home moneyline of -181.0, while the Astros were at 149.0.

Game conditions were favorable for the Mariners, contributing to their strong performance. The Mariners' ability to capitalize on their home advantage has been evident throughout the series, and they will look to build on this momentum moving forward. Fans and viewers should watch for the continued development of the Mariners' lineup, particularly Naylor, who has emerged as a significant offensive threat. As the Astros seek to break their losing streak, they will need to address their defensive struggles and find ways to support their offense in upcoming games.

Odds

BookSpreadTotalMoneyline
DraftKingsSEA -181 7.5 o -115 / u -105 Houston Astros +149 · Seattle Mariners -181

What these prices pay on $100 · What these numbers mean

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
  • Brice Matthews60-Day-ILKneeHouston Astros
  • Mike Burrows15-Day-ILElbowHouston Astros
  • Carlos Correa60-Day-ILAnkleHouston Astros
  • Brandon Walter60-Day-ILElbowHouston Astros

Recent form

Seattle Mariners

Last 10: 5-5Streak W23.5 scored · 3.3 allowed per game4-2 at home

  • W8-7vs Houston AstrosApr 12
  • W9-6vs Houston AstrosApr 11
  • L2-3at Texas RangersApr 8
  • L1-2at Texas RangersApr 7
  • L0-1at Los Angeles AngelsApr 5
  • W3-1at Los Angeles AngelsApr 4
  • L0-5vs New York YankeesApr 1
  • W2-1vs New York YankeesMar 31
  • L5-6vs Cleveland GuardiansMar 29
  • W5-1vs Cleveland GuardiansMar 28

Houston Astros

Last 10: 3-7Streak L66.3 scored · 7 allowed per game0-6 away

  • L7-8at Seattle MarinersApr 12
  • L6-9at Seattle MarinersApr 11
  • L1-5at Colorado RockiesApr 8
  • L7-9at Colorado RockiesApr 7
  • L10-12at AthleticsApr 5
  • L4-11at AthleticsApr 4
  • W9-2vs Boston Red SoxApr 1
  • W8-1vs Boston Red SoxMar 31
  • W9-7vs Los Angeles AngelsMar 29
  • L2-6vs Los Angeles AngelsMar 28

Standings

TeamGames behindLostStreakWin %Won
Houston-69W1.50771
Texas271L1.49369
Seattle574W2.47166
Athletics1786W1.38654
Los Angeles1887L2.37953

How the scoring went

  1. 1st Inning0-3Naylor homered to right center (365 feet), Raleigh scored and Rodríguez scored.
  2. 3rd Inning0-5Naylor homered to center (433 feet), Raleigh scored.
  3. 5th Inning1-5Diaz singled to center, Smith scored, Trammell to third.
  4. 5th Inning2-5Allen grounded into double play, second to shortstop to first, Trammell scored, Diaz out at second.
  5. 5th Inning2-6Raley singled to right, Rodríguez scored.

Win probability

Above the line favours Seattle Mariners, below favours Houston Astros.

Venue

  • T-Mobile ParkSeattle, Washington
  • Attendance18648
  • OfficialsTodd Tichenor, Austin Jones, Adam Hamari, Jacob Metz

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