(Kansas City, MO)  --  The Seattle Mariners' winning streak is now at three after a sweep of the Royals in Kansas City.  The M's earned a 2-1 win on Mike Zunino's ninth home run of the season with nobody out in the seventh inning.  Rookie Roenis Elias gave up a run on five hits and struck out five over six-and-two-thirds innings for his seventh win of the year.  The Mariners will host the Boston Red Sox for a three-game series beginning tonight.