GRAND FORKS (AP) -- North Dakota Aaron goalie Dell made 32 saves and Corban Knight and Brock Nelson had two goals each as the Fighting Sioux beat Robert Morris 8-0 on Friday.
Knight added an assist to finish with three points for the second-ranked Sioux (15-5-2). Both Knight's goals came in the first period for North Dakota, which scored three times in each of the first two periods.
Jake Marto had a goal and two assists. Also scoring for UND were Brett Hextall, Matt Frattin and Evan Trupp. Frattin's goal was his Western Collegiate Hockey League-leading 19th goal.
Dell made 14 saves in the second period.
Brooks Ostergard had 16 saves in the first period for the Pioneers (12-6-2). He had one in the second before he was replaced by Eric Levine, who made 13 stops.