(Corvallis, OR)  --  Oregon State swept a four-game series from Ball State in Corvallis.  Trevor Larnach went 3-for-3 and drove in a run in the Beavers' 8-4 victory Saturday over the Cardinals.  The fifth-ranked Ducks have won nine straight.  They are 14-and-1 overall.  The Beavers will play Thursday at Arizona State to begin Pac-12 Conference play.