Keuchel (3-7) carried a shutout into the seventh before the first four batters reached. Rickie Weeks Jr. singled and scored on a Welington Castillo double, and Chris Owings chased Keuchel one batter later with an RBI single. Nick Ahmed's sac fly off Pat Neshek made it 3-0.
MOMENTS THAT MATTERED
Greinke gets going: Arizona may finally be getting the ace it paid for this offseason. Greinke showed the Cy Young-level form he has produced at every stop in his career to date, locking the Astros down with a season-high 11 strikeouts in his fourth straight win.