First Pitch is scheduled for 9:40 p.m. ET (6:40 p.m. PT)
Coverage: MLB.TV / Mariners.TV / Space City Home Network
Game Context & Team Records
The Astros visit T-Mobile Park at 6-8 (4th in the AL West, 1-6 on the road) after a 9-6 loss in Friday’s series opener — their fifth defeat in six games. Houston’s offense has been streaky (around 4.8 runs/game) but the road woes and rotation injuries have them reeling early. The Mariners sit at 5-9 (5th in the AL West, 4-4 at home) but snapped a skid with Friday’s comeback victory. Seattle has the league’s lowest batting average but strong pitching at home and is looking to take the series lead while improving to 5-4 at T-Mobile Park.
Weather Update
Game-time conditions at T-Mobile Park will be cool, cloudy, and damp with a chance of light showers:
Temperature: ~54-56°F (dropping into the low 50s late)
Winds: 3-5 mph (light, variable; mostly in from left field)
Humidity: ~80-83%
Precip probability: 20-30% (isolated light rain possible early but unlikely to delay play)
Expect pitcher-friendly conditions with the roof likely closed or partially open. The cool air and damp air suppress carry, favoring the starters and keeping the total in check.
Injury Report
Houston Astros (key absences):
SP Cristian Javier (15-day IL – Grade 2 right shoulder strain)
SP Hunter Brown (15-day IL – Grade 2 right shoulder strain)
OF Jake Meyers (10-day IL – Grade 2 oblique strain)
SP Ronel Blanco (60-day IL – elbow)
Additional depth (Zach Dezenzo elbow, others) sidelined.
Seattle Mariners (key absences):
OF Victor Robles (10-day IL – right pectoral strain)
INF/OF Miles Mastrobuoni (10-day IL – calf)
SP Bryce Miller (15-day IL – oblique)
RP Carlos Vargas (60-day IL – lat)
SP Logan Evans (60-day IL – Tommy John).
Houston’s rotation is decimated, forcing longer bullpen usage, while Seattle’s outfield and rotation depth are tested but less critically impacted.
Probable Pitchers & Key Player Matchups
Astros: RHP Lance McCullers Jr. (1-0, 3.27 ERA, 1.18 WHIP, 13 K in 11.0 IP)
McCullers has solid early command and his signature curve. He’ll face a Mariners lineup featuring:
Julio Rodríguez (speed/power catalyst).
Randy Arozarena (hot bat with Friday’s multi-hit game and recent HR).
Josh Naylor and contact threats like J.P. Crawford providing gap power.
Mariners: RHP Luis Castillo (0-0, 2.79 ERA, ~1.00 WHIP in limited work)
Castillo has been dominant at home with elite velocity and swing-and-miss stuff. He’ll duel an Astros lineup paced by:
Jose Altuve and Alex Bregman (veteran contact and on-base skills).
Yordan Alvarez (elite power bat, dangerous vs righties).
Emerging pieces filling in for injured outfielders.
Edge: Castillo’s home dominance and McCullers’ recent workload concerns (plus Houston’s bullpen strain) give Seattle the clear pitching advantage.
Recent Team Forms
Astros (6-8, L1): Dropped the series opener in Seattle after a rough West Coast trip. Offense has shown occasional pop but the staff is overworked and the road record is dismal (1-6).
Mariners (5-9, W1): Broke a five-game losing streak with Friday’s 9-6 win. Home pitching has been elite, and timely power (Arozarena, Naylor) is starting to surface despite the low team BA.
Series History
2026 Season: Mariners lead this series 1-0 after Friday’s 9-6 victory.
Recent Seasons: Competitive; Houston took the season series in 2025 but Seattle has owned home matchups at T-Mobile Park lately.
All-Time: Astros hold a slight edge overall, but the last three seasons favor the home team in Seattle.
Betting Trends
Mariners are strong home favorites (4-4) and have covered in recent wins. Astros are 1-6 ATS on the road. Cool/damp weather and elite starters lean heavily toward the under.
Game Odds
Houston Astros 7.5
Seattle Mariniers – 149
Odds Courtesy of Sports Odds Direct as of Friday, April 10, 2026
