Oregon’s volleyball team swept its own Nike Classic at Matthew Knight Arena in Eugene.  The Ducks beat Cal Poly Thursday 3-0, downed Wichita State Friday 3-0, and finished with a 3-0 win over Duquesne Saturday night.  Oregon (7-1) opens Pac-12 play Tuesday at home to Oregon State (9-1).  Oregon State won two-out-of-three at the North Texas Challenge in Denton, TX.  The Beavers lost to North Texas Friday3-0, but beat Campbell 3-0, and New Orleans 3-0 on Saturday.