(Seattle, WA)  --   Robinson Cano had three hits, including a three-run homer in the eighth inning, as the Mariners beat the Astros 7-4 in Seattle.  Felix Hernandez yielded four runs on five hits over six innings in a no-decision.  Edwin Diaz struck out two in a perfect ninth to log his major league-leading 48th save.  Mike Leake will start tonight for the Mariners as the series continues at Safeco Field.