(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.