Daniel Vogelbach launched a pinch-hit, grand slam in the eighth inning to lift the Mariners to a 4-1 win over the Astros in Houston. Vogelbach took Hector Rondon deep to give Seattle the lead. Wade LeBlanc pitched one-run ball into the sixth, but Ryan Cook got the win and Edwin Diaz his 56th save. Framber Valdez tossed five shutout innings for Houston in a no-decision. Marwin Gonzalez doubled in the lone run for the Astros in the fourth. Houston still leads Oakland by four games atop the AL West. Seattle is 11 back.
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