Seattle Mariners vs Houston Astros Picks and Prediction for Wednesday May 13 2026
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The Seattle Mariners travel to Daikin Park in Houston, Texas on Wednesday, May 13, 2026, for a matchup against the Houston Astros. First pitch is scheduled for 8:10 PM ET with coverage available on MLB.TV. Seattle enters the contest with a 20-22 overall record and an 8-11 road record, while Houston comes in at 16-26 overall and 9-11 at home. The Mariners are listed as -126 favorites on the moneyline while the Astros are priced at +104. The total for the game is set at 9 runs with the over at -115 and the under at -105. Be sure to check out our free MLB picks before placing any wagers.
Starting Pitchers Draw Attention in Houston
Bryce Miller is listed as the starting pitcher for Seattle, although no statistical line was provided for him entering this matchup. Houston counters with Lance McCullers Jr., who enters with a 2-3 record, a 7.41 ERA, and a 1.50 WHIP over 34.0 innings. McCullers has allowed 31 hits while recording 37 strikeouts, issuing 20 walks, and surrendering five home runs. Based on the provided numbers, Houston enters with concerns surrounding the starting pitching matchup.
Seattle Looks to Build on Recent Road Win
The Mariners enter this game with a 20-22 overall record and an 8-11 mark away from home. Seattle has gone 3-2 over its last five games, recently won over Houston 3-1 after recently losing to Chicago 2-1 and 6-1. The Mariners also recently won over Chicago 12-8 and recently won over Atlanta 3-1. Seattle has shown the ability to bounce back offensively after difficult losses while remaining competitive during this stretch.
Seattle is batting .229 with 170 runs, 316 hits, and 47 home runs. The Mariners own a .317 on-base percentage and a .376 slugging percentage. On the mound, Seattle carries a 3.71 ERA with a 1.23 WHIP while allowing opponents to hit .255 against them. The pitching staff has also recorded 358 strikeouts while issuing 102 walks this season.
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One major strength for Seattle entering this matchup is overall pitching consistency. The Mariners hold a significantly lower ERA and WHIP than Houston while also limiting walks more effectively. Seattle’s power numbers also stand out with 47 home runs, giving the lineup the ability to create offense quickly.
Houston Searches for Answers During Tough Stretch
Houston enters this matchup with a 16-26 overall record and a 9-11 home mark. The Astros have gone 1-4 over their last five games, recently lost to Seattle 3-1, recently lost to Cincinnati 5-0 and 3-1, and recently lost to Los Angeles 12-2. Houston’s only recent victory came in a 10-0 win over Cincinnati. The Astros have struggled to consistently prevent runs during this recent stretch while also battling inconsistency offensively.
Houston is batting .258 with 197 runs, 368 hits, and 52 home runs. The Astros carry a .333 on-base percentage and a .425 slugging percentage. On the pitching side, Houston owns a 5.50 ERA with a 1.58 WHIP while allowing opponents to hit .262 against them. The Astros have recorded 370 strikeouts but have also issued 211 walks this season.
Houston’s biggest strength entering this game is offensive production. The Astros lead this matchup in batting average, runs scored, hits, home runs, on-base percentage, and slugging percentage. However, the pitching numbers remain a major concern, especially with the team ERA and WHIP both significantly higher than Seattle’s marks.
Seattle Mariners vs Houston Astros Picks and Prediction
Seattle Mariners vs Houston Astros Pick
- Pick: Seattle Mariners Moneyline
I like Seattle in this matchup because the Mariners enter with the far stronger overall pitching profile. Seattle owns a 3.71 ERA and a 1.23 WHIP compared to Houston’s 5.50 ERA and 1.58 WHIP. The Astros have also struggled recently, losing four of their last five games, including a recent 3-1 loss to Seattle. While Houston has stronger offensive numbers overall, the pitching gap in this matchup is difficult to overlook.
Seattle Mariners vs Houston Astros Total Pick
- Pick: Over 9
I would lean toward the over because Houston games have consistently produced scoring opportunities due to the Astros’ pitching struggles. Houston carries a 5.50 ERA and has recently allowed 12 runs to Los Angeles and five runs to Cincinnati. Seattle also has 47 home runs this season and recently scored 12 runs against Chicago. With Houston bringing strong offensive numbers but weaker pitching metrics into the matchup, the over looks like the stronger side at 9.
Final Score Prediction: Seattle Mariners 6 – Houston Astros 4
This prediction was written before the completion of game play on Tuesday.
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