(Undated) -- Oregon State lost 6-5 yesterday to Arizona in Tuscon. The Beavers lost the series and fell to 7-and-5 in the Pac-12. Oregon fell 7-0 yesterday to Washington State in Eugene. The Ducks won the first two games of the Pac-12 weekend series. Oregon will play Portland tonight in Eugene. The Pilots were swept by Gonzaga in a three-game WCC weekend series in Spokane.