Venue: Daikin Park (formerly Minute Maid Park), Houston, Texas
TV/Stream: SCHN / Mariners.TV (MLB.TV available in most markets; Fubo streaming option)
Starting Pitchers
Mariners: RHP George Kirby (8-9, 3.68 ERA, 1.27 WHIP, 132 IP, 112 K, 28 BB)
Astros: RHP Peter Lambert (8-6, 3.09 ERA, 1.15 WHIP, 113.2 IP, 111 K, 44 BB)
Kirby has been a workhorse for Seattle with solid innings but a higher WHIP and more hits allowed. Lambert has been more efficient overall, posting a lower ERA and strong recent form (multiple starts with two or fewer earned runs). Both right-handers should keep the game competitive, with Lambert holding a slight edge on paper.
Venue and Weather Forecast
Daikin Park is a retractable-roof stadium that can play as a hitter-friendly environment when open, especially with Houston’s power. Forecast for Houston: Hot and humid with highs in the mid-to-upper 90s°F (around 93–97°F). Heat index values could reach 105–110°F. Slight chance (20–40%) of scattered showers or thunderstorms, mainly in the afternoon. South winds 10–15 mph. Warm, muggy evening conditions expected. Roof status will be weather-dependent, but heat will be a factor.
Injury Reports
Mariners:
Luke Raley (OF, 10-day IL, elbow/forearm)
J.P. Crawford (SS, 10-day IL, wrist)
Matt Brash (RP, 15-day IL, lat)
Cole Wilcox (RP, 15-day IL, oblique)
Longer-term absences include Cooper Criswell, Will Wilson, Logan Evans, Carlos Vargas (mostly arm/shoulder/lat 60-day IL). Cole Young day-to-day (head).
Astros:
Brice Matthews (OF, 10-day IL, knee)
Mike Burrows (P, 15-day IL, elbow)
Carlos Correa (SS, 60-day IL, ankle)
Brandon Walter (P, 60-day IL, elbow)
Jose Altuve day-to-day (foot).
Both clubs are missing key position players and bullpen depth; Houston’s absence of Correa is notable, while Seattle’s infield and outfield are thinned.
Active rosters feature contributors such as Julio Rodríguez, Randy Arozarena, Cal Raleigh, and Dominic Canzone for Seattle; Yordan Alvarez, Isaac Paredes, Christian Walker, Jeremy Peña, and Cam Smith for Houston.
Key Player vs. Player Matchups and Notes
Kirby (RHP) will face a dangerous Astros lineup led by Alvarez (elite production and power) and supported by Paredes and Walker. Lambert will contend with Rodríguez (speed and recent power) and Arozarena’s contact/power mix. Kirby’s pitch-to-contact style can lead to traffic, while Lambert’s efficiency and strikeout ability give Houston an advantage.
Daikin Park’s dimensions and potential open roof could amplify power from both sides, particularly Alvarez and Rodríguez.
Recent Team Forms
Mariners: Struggling overall (especially on the road at 24-36) and coming off a mixed series. Offense has been quieter in stretches; pitching remains competitive. Third in the AL West.
Astros: 5-5 in last 10 and holding first place in the AL West. Home record roughly even (30-29). Offense provides power (higher HR totals); pitching has been solid enough to stay atop the division.
Series History
Mariners lead the 2026 season series 7-1 through eight games. Seattle has dominated earlier meetings. This opens a three-game set in Houston. Classic AL West rivalry with division implications for the Astros.
Betting Trends
Houston’s home edge and Lambert’s solid numbers make them favorites despite Seattle’s strong season series lead. Mariners’ road struggles and recent form support the favorite. Moderate total reflects quality starting pitching.
Game Odds
Seattle Mariners 8
Houston Astros – 116
Odds Courtesy of Sports Odds Direct as of Thursday, August 13, 2026
