(Eugene, OR)  --  The top-ranked Oregon State Beavers baseball team clashes with the Oregon Ducks tonight to open a three-game series in Eugene.  The 38-and-4 Beavers have been the number-one team in the country for the past seven weeks.  The Ducks are 26-and-18.  OSU's magic number to clinch the Pac-12 title is two.  First pitch is at 6 p.m.