9/20/25 Seattle Mariners vs. Houston Astros MLB Picks and Predictions


9/20/25 Seattle Mariners vs. Houston Astros MLB Picks and Predictions


Seattle Mariners vs. Houston Astros MLB Pick Prediction by Tony T.

Mariners at Astros 7PM ET— George Kirby is starting for Seattle. Kirby in 21 starts has an ERA of 4.46 with WHIP of 1.23. The right hander fans 24.9% with 5.8% walks. Ground balls served at 43.6% with 1.10 home runs per nine innings. Frambler Valdez gets the start Houston. Valdez got 29 starts dealing with an ERA of 3.59 with WHIP of 1.22. The left hander strikes out 23.1% with 8.3% walks. Ground balls sit at 58.2% with 0.65 home runs per nine innings.