(Oakland, CA)  --  Matt Olson smacked a two-run homer as the A's edged the Astros 3-1 in Oakland.  Chad Pinder plated the other run for the A's, who took four-of-five in the series.  Sean Manaea fired seven innings of one-run ball as he moved to 4-and-2.  Liam Hendriks closed it out for his 12th save.  The A's visit the Rangers tonight.