Oregon State downed visiting Oregon 3-2 in a Pac-12 volleyball opener for both teams in Gill Coliseum at Corvallis Thursday. The Ducks (0-1, 4-6) host Utah Sunday, noon, Matthew Knight Arena in Eugene. The Beavers (1-0, 7-5) host Colorado, Friday, Sept. 27, 6 p.m., Pac-12 Networks.