Free Sports Game Preview and Prediction: Houston Astros vs. Seattle Mariners
Friday, July 18, 2025 10:10 PM
Play: Total: 7.5/-110 Under
Brandon Walter has been a mixed bag this season, sporting a high ERA that might scare away casual bettors. However, a deeper look reveals a 1.00 WHIP, which indicates he’s not allowing many baserunners. That’s a strong signal that he’s been the victim of a few big innings rather than consistent struggles. If Walter can avoid the long ball and settle in early, there’s reason to believe he can deliver a quality start. On the other side, Luis Castillo appears to be rounding into form. Over his last three starts, he’s held down the Tigers, Pirates, and Rangers—all of whom bring respectable lineups to the table. Castillo has rediscovered his command, and his fastball velocity has ticked back up, which bodes well against the Astros. Houston games have routinely stayed below the number this season, currently 42-51 to the Under. That’s not a fluke. The Astros have lacked the explosive offense of years past, and with Yordan Alvarez and Jose Abreu underwhelming, the lineup hasn’t consistently cashed overs. Meanwhile, Seattle plays in one of the most pitcher-friendly ballparks in baseball, further pushing this game toward a lower total. Take the under here.