The No. 8 Oregon volleyball team opened Pac-12 play in dominating fashion Tuesday, sweeping Oregon State, 25-14, 25-23, 25-19, before 1,909 fans in Matthew Knight Arena in Eugene.  The Ducks (1-0, 8-1) play at UCLA Friday, 8 p.m.  The Beavers (0-1, 10-3) play at USC on Sunday, 1 p.m.  Both matches on the Pac-12 Networks.