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Houston Astros vs. Seattle Mariners Prediction 7-7-23 MLB Picks

Houston Astros (49-39) vs Seattle Mariners (43-43)
2023-07-07 20:10:00 EDT
The Line: Betting Odds: Houston Astros -120 / Seattle Mariners +100 --- Over/Under: 7.5
(Get latest betting odds)

The Seattle Mariners and the Houston Astros meet in an AL West division matchup in MLB action from Minute Maid Park on Friday night. Let’s dive into the odds, starting pitching matchup, history and make a prediction for this game.


Houston is listed as a -120 home favorite while Seattle is a +100 road underdog. The total for this game is set at 7.5 runs.

Starting Pitching Matchup

Luis Castillo will start for the Mariners here and is 5-6 with a 3.05 ERA and 114 strikeouts this season. Hunter Brown will start for the Astros and is 6-5 with a 3.76 ERA and 103 strikeouts this season. 

Matchup History

Seattle’s 5-1 win on Thursday made it three straight wins for the Mariners in this head-to-head matchup over Houston.


Seattle is 5-1 in their last 6 games overall and 7-15 in their last 22 road games while the over is 4-1 in their last 5 division games. Houston is 42-19 in their last 61 games against a team with a losing record and 58-28 in their last 86 games following a loss while the under is 4-1-1 in their last 6 division games. 


I’m backing the under here. I think this has the makings of a bona fide pitcher’s duel, and I look for this to be a playoff-type atmosphere. These games between the Mariners and Astros are usually hard-fought and very tight and this game features two of the best starters in their respective rotations. I think this could be a first to 3 wins kind of game, so give me the under here.

Peter Tran's Free Pick: Under 7.5

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Peter Tran

Peter Trans is an acclaimed Expert NBA Handicapper, renowned for his insightful analysis and predictions in the world of professional basketball. With a keen eye for detail and a deep understanding of the game, Peter has established himself as a trusted authority among basketball enthusiasts and bettors alike. His expertise is showcased on, where he provides in-depth game analyses, betting tips, and forecasts that are both highly informative and remarkably accurate.

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