Pac-12 sb, March 13 Oregon will open the Pac-12 softball season Friday, March 16, in Eugene with a three-game series against UCLA. The Ducks finished the pre-season with a 23-4 record, and No. 6 national ranking. Oregon State ended the preseason with a 17-9 record. The Beavers open Pac-12 play with a three-game home series against California Friday through Sunday in Corvallis.