(Houston, TX)  --  The Mariners' five-game winning streak ended with a 7-5 loss to the Astros in Houston.  Juan Nicasio yielded four runs in the seventh without retiring a batter.  Nelson Cruz, Kyle Seager and Denard Span homered in the loss.  The Mariners hold a game lead over the Astros in the AL West.  Mike Leake will be the Seattle starter tonight to open a four-game series against the Rays at Tropicana Field.  Leake has not walked a batter in his past four starts.