Houston Astros (56-42, first in the AL West) vs. Seattle Mariners (53-45, second in the AL West) Seattle; Sunday, 4:10 p.m. EDT PITCHING PROBABLES: Astros: Hunter Brown (9-4, 2.43 ERA, 0.96 WHIP, 137 strikeouts); Mariners: Bryan Woo (8-4, 2.