(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.