The Cavaliers (19-0, 7-0) are one of the nation's last two unbeatens and starting a three-game stretch against ranked league opponents led by Hall of Fame coaches. First is Saturday's visit from Mike Krzyzewski's Blue Devils (17-3, 4-3). Duke is coming off a loss at No. 8 Notre Dame and the game comes two days after Krzyzewski dismissed junior guard Rasheed Sulaimon from the team for failing to meet team standards. [...] the Cardinals travel to No.