Jake Meyers hit a go-ahead, two-run homer in the seventh inning as the Houston Astros took a one-game lead in the American League West with a 4-2 victory against the host Seattle Mariners on Saturday night. Yainer Diaz also went deep for the Astros, who improved to 19-6 in their past 25 games, erasing a 10-game deficit to the Mariners in the division race. Houston's 3-0 win in Friday's series opener pushed the club into first place over Seattle by one percentage point.