Before No. 5 Washington met No. 12 Oregon in the first-day finale, the first three games of the women’s Pac-12 Tournament at KeyArena Thursday night contained no surprises. Seventh-seeded USC handled 10th-seeded Oregon State, 64-57. Sixth-seeded Utah breezed past 11th-seeded Arizona, 66-48. Even the No. 8 Cougars beat the ninth-seeded Sun Devils, 48-41. Attendance for the inaugural event in Seattle: Small.