SEATTLE – The Astros have played six games since winning their season-opener and American League debut March 31 against the Rangers at Minute Maid Park. The Astros have lost all six contests. The rebuilding club has only scored nine total runs during its slide. And the team has been shut out three times. The third blank occurred Monday, courtesy of a 3-0 defeat to the Mariners in an AL West matchup at Safeco Field. Astros (1-6) starting righthander Philip Humber threw six solid innings of five-hit, three-run ball. But the former Rice standout received little offensive support. The Astros struck out eight times and failed to convert several scoring opportunities, [...]