Oregon State volleyball got a sweep in the Desert in Pac-12 play this past weekend.  On Thursday, OSU bettered Arizona in Tucson 4-0, and then got a 3-2 decision in Tempe on Saturday night.  The Beavers (9-7, 19-9) host Washington Friday, 6 p.m., and Washington State Sunday, 3 p.m. in Gill Coliseum at Corvallis.  Oregon came away with a split, beating ASU Thursday 3-0, but losing to Arizona 3-2 on Sunday.  Oregon (9-7, 16-8) hosts Washington State Friday, 3 p.m., and Washington Sunday, 1 p.m. in Eugene on Pac-12 Networks.