No. 2 Arizona Outlasts Stanford 84-80 in Pac-12 QuartersNo. 2 Arizona Outlasts Stanford 84-80 in Pac-12 QuartersChristian Koloko scored 24 points, Bennedict Mathurin added 20 and No. 2 Arizona held off Stanford 84-80 in the Pac-12 quarterfinals.Associated PressAssociated Press