Here is tonight's Mariners starting lineup and pitching matchup as the team hosts the Astros for the second game of the series. Houston's JP France is making his MLB debut JP and Marco photos by MathewB_Photography France photo by Karen Warren #SeaUsRise #Ready2Reign #SeattleMariners #Baseball #MLB #MarinersBaseball #SeattleBaseball #HoustonAstros #JPCrawford #MarcoGonzales #JPFrance