By Daniel Chavkin No. 1 Arizona and No. 2 UCLA are set to decide the Pac-12 championship. View the original article to see embedded media. While top seeds in other tournaments went down on Friday, that wasn’t the case in the Pac-12. No. 1 Arizona and No. 2 UCLA both handled their business to advance to the championship Friday night. The Wildcats used a 47-point first half to take down No. 4 Colorado, 82-72, doing so without star point guard Kerr Kriisa. It was Arizona’s revenge after the Buffaloes upset them in Colorado just a few weeks ago. On the other side of the bracket. The Bruins won the…