Seattle Mariners (81-77, second in the AL West) vs. Houston Astros (86-72, first in the AL West) Houston; Wednesday, 2:10 p.m. EDT PITCHING PROBABLES: Mariners: George Kirby (13-11, 3.60 ERA, 1.08 WHIP, 173 strikeouts); Astros: Yusei Kikuchi (9-9, 4.