(Las Vegas, NV)  --  Oregon rallied to beat Utah 68-66 in the  Pac-12 Men's Basketball Tournament quarterfinals in Las Vegas.  The Ducks will face USC tonight in the semifinals.  Oregon State lost 68-48 to second-seeded USC in the quarterfinals and was eliminated from the tournament.  The Beavers conclude their season with a 16-and-16 record.