HARRISON INGRAM

Christian Koloko scored 24 points, Bennedict Mathurin added 20 and No. 2 Arizona held off Stanford 84-80 in the Pac-12 quarterfinals.

Needed to fill a bigger role as a sophomore, Arizona's bouncy guard proved to be one of the nation's best players. Mathurin was named Pac-12 player of the year Tuesday by a panel of media who cover the conference after becoming the go-to player on the nation's No. Mathurin averaged 10.8 points and 4.8 rebounds as a freshman last season. Mathurin became the player the Wildcats turned to when they need a big basket and at least a couple times a game he wows the crowd with thunderous dunks. Coach of the year: Tommy Lloyd, Arizona.

Arizona's Bennedict Mathurin has been named The Associated Press Pac-12 player of the year after a dominating sophomore season.

Harrison Ingram and Spencer Jones scored 21 points apiece and Stanford beat No. 5 Southern California 75-69 for its first win over a top five team in nearly 15 years.