(Las Vegas, NV)  --  Oregon has earned the top overall seed in the Pac-12 Men's Basketball Tournament, which tips off on Wednesday in Las Vegas.  The Ducks have a first-round bye after going 27-and-4 overall and 16-and-2 in Pac-12 action.  They rolled the Beavers, 80-59, on Saturday.  OSU is just 5-and-26 on the year and is the 12th seed.  The Beavers face Cal on Wednesday.