(Seattle, WA)  --  The Mariners will host a four-game series with Baltimore after losing to the Pittsburgh Pirates, 8-1.  Sean Rodriguez drove in four runs to help Pittsburgh split the two-game series with Seattle.  Mariners starter Wade Miley picked up the loss after allowing five runs on seven hits over four innings.  The Mariners and Orioles will get started at Safeco Field tonight at 7:10.