No conference has been more of a surprise nationally than the Pac-12. “The Conference of Champions” has four of its five teams in the NCAA tournament’s Sweet 16. It will be guaranteed to have at least one team in the Elite 8 as West Region No. 6 seed USC meets up with No. 7 seed Oregon. The two clubs met only once during the regular season as USC, without the services of 6-foot-10 sophomore Isaiah Mobley, stormed out to a 15-0 lead and never looked back for a 72-56 victory on Feb.