The Arizona Wildcats are back in the Sweet 16 after a three-year absence. Their path has not been easy, and it doesn't get any easier against their next opponent, the Duke Blue Devils.
The Blue Devils won the NCAA tournament last year, and this year they could do the same thing. They still have most of their players back and still have probably the best coach in college basketball in Mike Krzyzewski.
But don't count the Wildcats out of this game.
Here are five things the Wildcats must do to pull off the upset.