Houston Astros host the Seattle Mariners Saturday

Seattle Mariners (29-21, first in the AL West) vs. Houston Astros (26-25, second in the AL West) Houston; Saturday, 4:10 p.m. EDT PITCHING PROBABLES: Mariners: Bryan Woo (5-1, 2.65 ERA, 0.87 WHIP, 55 strikeouts); Astros: Framber Valdez (3-4, 3.