Nebraska (11-2) held its third consecutive opponent under 50 points. The Cornhuskers have not allowed more than 58 points in a game during the winning streak.
Diaz and Andre Almeida each scored 10 points for Nebraska, which shot 55 percent from outside.
The game was postponed from Sunday because of bad weather that prevented North Dakota from leaving for Lincoln.
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The family of former Houston Astros owner Roy Hofheinz wants a court to require the University of Houston to keep his name on the school's basketball arena.
Michigan has hired assistant basketball coaches Billy Donlon and Saddi Washington.
Duke and Cincinnati, 2016 NCAA tournament teams, highlight the eight-team field for the Naismith Memorial Basketball Hall of Fame Tip-Off Tournament.