Arizona Wildcats guard Kadeem Allen (5) drives on Gonzaga Bulldogs guard Josh Perkins (13) during the first half of the No. 19 Arizona Wildcats vs. No. 13 Gonzaga Bulldogs men's NCAA college basketball game at McCarthey Athletic Center in Spokane, Wash., Saturday, Dec. 5, 2015. Arizona used a second-half comeback to win 68-63. Mike Christy / Arizona Daily Star