Astros vs Mariners Picks and Prediction – 7/20/2025

The Houston Astros are heading to T-Mobile Park on Saturday, where they will take on the Seattle Mariners. Get the rest of our free MLB picks here! The Astros have put together a 56-40 record which places them first in the AL West. The Astros have now lost 5 of their last 6 games, most recently suffering a 5-1 loss against the Texas Rangers on Sunday. Lance McCullers is set to be Houston’s starting pitcher on Saturday, he’s posted a 6.48 ERA to go along with a 2-4 record. Houston is averaging 4.4 runs per game, while giving 3.8 runs defensively.

The Seattle Mariners are the number two team in the AL West, putting together a record of 51-45. The Mariners have now won three straight games, in most recent action taking down the Detroit Tigers 8-4 on Sunday. Logan Evans is set to be the Mariners’ starting pitcher in this game, he’s posted a 3.76 ERA to go along with a 3-3 record. Seattle is scoring 4.7 runs per game with a batting average of .250. Seattle’s bullpen is allowing 8.3 hits per game and 4.4 runs a game.

Seattle is looking to extend their win streak to four games, while the Astros come into this one playing their worst baseball of the season. Expect Evans to help lead Seattle to cover the -1.5 spread on home field here. Final score prediction, Mariners win 5-3.