(San Diego, CA)  --  The Seattle Mariners will begin a four-game series at Oakland tonight, after completing a two-game sweep of the Padres in San Diego.  Seattle's 7-0 win yesterday was the second straight shutout for the Mariners, with Taijuan Walker pitching a one-hitter through six innings.  Robinson Cano and Nelson Cruz each had a round tripper for the M's.  Seattle and Oakland will get going at 7:10 tonight.