(Seattle, WA)  --  The A's start their three-series road trip, visiting the Mainers tonight in Seattle.  Oakland swept the Angels and has won five of its last seven.  They send left-hander Sean Manaea to the mound for the opener.  He holds a 6-and-6 record with a 3.28 E-R-A.  Opposite him is Chris Flexen for Seattle.  The righty owns a 9-and-3 record and a 3.35 earned run average.