Christian Wolanin scored the shootout winner and had an assist in regulation for fifth-ranked North Dakota, which played to a 2-2 tie Friday night at No. 2 St. Cloud State but earned the extra point in the NCHC standing.
Easton Brodzinski and Ryan Poehling scored for St. Cloud State. Rhett Gardner and Cole Smith scored for UND.
Omaha 7, No. 17 Minnesota Duluth 5: The host Mavericks got a hat trick from Zach Jordan and went 3-for-7 on the power play in handing the Bulldogs their third loss in a row. David Pope had two goals for the Mavericks. Nick Wolff led UMD with a goal and two assists.
Michigan State 5, Michigan 0: Patrick Khodorenko scored two first-period goals for the Spartans, who gained a split of their home-and home series with the Wolverines after they beat the Spartans 4-0 a night earlier.
No. 18 Penn State 5, Robert Morris 2: Sam Sternschein scored the go-ahead goal in the second period, rallying the 18th-ranked Nittany Lions to victory in Pittsburgh.
No. 4 Notre Dame 3, No. 12 Wisconsin 2: Dylam Malmquist scored the first goal for the Fighting Irish and got the game-winner with 3:51 left, capping a third-period rally from a two-goal deficit in Madison, Wis.
Minnesota State Mankato 5, Lake Superior State 1: Zeb Knutson scored the third goal in a five-goal second period for the eighth-ranked Mavericks and added three assists.
Northern Mich. 1, Bemidji State 1 (2 OT): Jordak Klimek’s breakaway goal in the second OT gave the Wildcats the extra point over the Beavers.