Astros Dominate Mariners in 7-0 Victory
Tuesday, September 22, 2026, 9:40 PM ET · T-Mobile Park
Houston Astros 7, Seattle Mariners 0, 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?
Houston Astros beat Seattle Mariners 7-0 at T-Mobile Park on September 22, 2026.
Who was favored in Houston Astros vs Seattle Mariners?
Seattle Mariners were the favorite at DraftKings, moneyline -132 (about 57% implied). The underdog won.
In a decisive performance, the Houston Astros defeated the Seattle Mariners 7-0 at T-Mobile Park, marking their second consecutive win against Seattle in this series, now leading 2-0. The Astros' offensive display was highlighted by a series of scoring plays that showcased their power hitting, including two home runs and a total of four runs scored in the third inning alone.
The Mariners entered this game with a home record of 73-84, having struggled recently with a 4-6 record over their last ten games. Their scoring average during this stretch was 5.5 runs per game, while they allowed an average of 4.5 runs. However, they were unable to find their rhythm against the Astros, managing no runs in this matchup. Seattle's recent form included a loss to the Colorado Rockies just days prior, where they fell 5-3, further compounding their struggles.
On the other hand, the Astros, with an away record of 78-79, have faced difficulties of their own, recording a 3-7 record in their last ten games. They averaged just 3.2 runs scored per game while allowing 5.4, but they broke out of their slump in this game, demonstrating their ability to capitalize on scoring opportunities. The Astros' recent performances included losses against the Atlanta Braves, where they lost 4-2 and 6-2 in consecutive games.
Historically, the Mariners have had the upper hand in their matchups against the Astros, holding a 12-5 record in their last 17 meetings. However, the Astros have shown resilience, winning the last two encounters, including a close 3-2 victory on August 16, 2026.
In terms of injuries, the Mariners were dealing with several key players unavailable for this game. Andres Munoz was listed as day-to-day with a knee issue, while Brendan Donovan was on the 7-day injured list due to a concussion. Additionally, Brennen Davis and Cole Wilcox were on the 60-day injured list, and Will Wilson was also on the 60-day injured list with a thumb injury. The Astros faced their own injury concerns, with Jeremy Pena, Brice Matthews, Daulton Varsho, and Cristian Javier all day-to-day, while Mike Burrows remained on the 60-day injured list with an elbow issue.
The betting market reflected the Astros' status as favorites, with DraftKings listing the Mariners at -132 and the Astros at +109. The spread was set at -1.5, with a total of 7.0 runs for the game, indicating expectations for a competitive matchup. However, the Astros' dominant performance rendered these odds moot as they outclassed the Mariners.
Conditions at T-Mobile Park were conducive to a solid game of baseball, although specifics regarding weather were not provided. The Astros took advantage of the situation, with standout performances from players like Yordan Alvarez and Walker, who both contributed significantly to the scoreline.
Fans watching the game saw Alvarez's impressive performance, including a single that brought in Peña in the first inning, and a home run in the eighth inning that further extended the Astros' lead. Walker's three-run homer in the third inning was a pivotal moment, effectively sealing the game for Houston. The Mariners, despite their recent scoring averages, were unable to respond, leaving them with a disappointing outing at home.
Overall, this game highlighted the Astros' ability to bounce back from their recent struggles and assert their dominance over the Mariners, who will need to regroup as they look ahead to the remainder of the season.
What we said beforehand
The Seattle Mariners will face the Houston Astros at T-Mobile Park on September 23, 2026, in a matchup that has significant implications for both teams. Seattle leads the season series 9-2, showcasing a strong performance against their divisional rivals. This game is crucial as both teams are looking to improve their standings in the American League West, making it a compelling fixture for fans and analysts alike.
In their recent form, the Mariners have posted a record of 4-6 over their last ten games, with a streak of one loss. They have averaged 5.5 runs scored per game while allowing 4.5 runs. Their last five games include a mix of results: a loss to the Los Angeles Angels (2-1), a win against the Angels (7-2), and a series against the Colorado Rockies where they won two out of three games, including a close victory (2-1) in the final game of that series.
Conversely, the Astros have struggled recently, recording a 3-7 mark in their last ten games and currently on a three-game losing streak. They have averaged only 3.2 runs scored while allowing 5.4 runs during this stretch. Their last five games include three losses to the Atlanta Braves (6-2, 6-3, and 4-2) and a win against the Kansas City Royals (6-2).
At home, the Mariners have a record of 1-2 in their last three games, while the Astros have fared poorly on the road with a 1-3 record in their last four away games. Historically, the Mariners have performed well against the Astros, winning 12 of the last 17 meetings, including several close contests this season.
In terms of injuries, the Mariners have several key players affected. Andres Munoz is listed as day-to-day with a knee issue, while Brendan Donovan is on the 7-Day IL due to a concussion. Other players on the injured list include Brennen Davis (60-Day IL, hamstring), Cole Wilcox (15-Day IL, oblique), and Will Wilson (60-Day IL, thumb). For the Astros, Daulton Varsho is day-to-day with a wrist injury, while Mike Burrows (60-Day IL, elbow), Steven Okert (15-Day IL, hamstring), Enyel De Los Santos (15-Day IL, knee), and Carlos Correa (60-Day IL, ankle) are also on the injured list.
The betting market reflects Seattle as the favorite with odds from DraftKings showing the Mariners at -135 on the money line. The spread is set at -1.5, and the total runs for the game is listed at 7.0, with the over at -120 and the under at 100.
Weather conditions for the game are expected to be mild, with a temperature of 67°F and no precipitation forecasted. Winds are anticipated at 6 mph, which should not significantly impact gameplay.
Fans tuning in should watch for the performance of key players, particularly Randy Arozarena for the Mariners, who leads the team with a batting average of .279, 26 home runs, and 76 runs batted in. For the Astros, Yordan Alvarez stands out with a .313 batting average, 40 home runs, and 99 runs batted in, making him a critical player to watch in this matchup.
Odds
| Book | Spread | Total | Moneyline |
|---|---|---|---|
| DraftKings | SEA -132 | 7 o -117 / u -103 | Houston Astros +109 · Seattle Mariners -132 |
Injury report
- Andres MunozDay-To-DayKneeSeattle Mariners
- Brendan Donovan7-Day ILConcussionSeattle Mariners
- Brennen Davis60-Day-ILHamstringSeattle Mariners
- Cole Wilcox15-Day-ILObliqueSeattle Mariners
- Will Wilson60-Day-ILThumbSeattle Mariners
- Jeremy PenaDay-To-DayWristHouston Astros
- Brice MatthewsDay-To-DayLegHouston Astros
- Daulton VarshoDay-To-DayWristHouston Astros
- Cristian JavierDay-To-DayGroinHouston Astros
- Mike Burrows60-Day-ILElbowHouston Astros
Recent form
Seattle Mariners
Last 10: 4-6Streak L15.5 scored · 4.5 allowed per game1-2 at home
- L3-5at Colorado RockiesSep 20
- W5-4at Colorado RockiesSep 19
- W7-2at Los Angeles AngelsSep 17
- L1-2at Los Angeles AngelsSep 16
- L4-6at Los Angeles AngelsSep 15
- W19-1at AthleticsSep 13
- L5-6at AthleticsSep 12
- W4-3vs Texas RangersSep 10
- L5-10vs Texas RangersSep 9
- L2-6vs AthleticsSep 6
Houston Astros
Last 10: 3-7Streak L33.2 scored · 5.4 allowed per game2-4 away
- L2-4vs Atlanta BravesSep 20
- L2-6vs Atlanta BravesSep 19
- L2-5vs Kansas City RoyalsSep 17
- W4-2vs Kansas City RoyalsSep 16
- L4-14at Tampa Bay RaysSep 13
- L2-3at Tampa Bay RaysSep 12
- L1-3at Tampa Bay RaysSep 11
- W2-1at Philadelphia PhilliesSep 10
- L7-11at Philadelphia PhilliesSep 9
- W6-5at Philadelphia PhilliesSep 8
Standings
| Team | Games behind | Lost | Streak | Win % | Won |
|---|---|---|---|---|---|
| Houston | - | 79 | W1 | .497 | 78 |
| Texas | - | 79 | L2 | .497 | 78 |
| Seattle | 5 | 84 | L1 | .465 | 73 |
| Athletics | 16.5 | 95 | L6 | .391 | 61 |
| Los Angeles | 17.5 | 96 | L1 | .385 | 60 |
How the scoring went
- 1st Inning1-0Alvarez singled to right, Peña scored.
- 3rd Inning4-0Walker homered to left (377 feet), Altuve scored and Diaz scored.
- 6th Inning5-0Paredes homered to left (372 feet).
- 8th Inning7-0Alvarez homered to right (386 feet), Peña scored.
Win probability
Above the line favours Seattle Mariners, below favours Houston Astros.
Venue
- T-Mobile ParkSeattle, Washington
- Attendance33382
- OfficialsRyan Blakney, Marvin Hudson, Tripp Gibson, Jansen Visconti
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