Oregon’s volleyball team is participating in the Pac-12/Big Ten Challenge this weekend in Eugene. The Ducks will host Penn State Friday, 7 p.m., Matthew Knight Arena, and Minnesota Saturday, 7 p.m., both on the Pac-12 Networks. Oregon State’s volleyball team is at Fort Collins, CO for a tournament this weekend. The Beavers open with Colorado State Friday, 6:30 p.m., and then play Southern Illinois Edwardsville Saturday, 10 a.m.