(Tucson, AZ)  --  Oregon State fell 62-53 to number-21 Arizona in a Pac-12 game in Tucson.  The Beavers have lost 33 of 34 at the McKale Center.  Arizona converted 17 Oregon State turnovers into 20 points.  The Beavers will play number-11 Arizona State tomorrow in Tempe.  OSU slipped to 10-and-6 overall and 2-and-2 in conference play.