Henrik Borgstrom scored the go-ahead goal, Tanner Jaillet made 22 saves and Denver beat host North Dakota 3-2 on Saturday night.
Liam Finlay and Adam Plant scored first-period goals, and Blake Hillman had two assists for the Pioneers (7-2-1, 3-0-1 NCHC), the second-ranked men's hockey team in the nation. Denver and sixth-ranked UND (5-4-2, 0-3-1) played to a 1-1 tie Friday.
Shane Gersich scored both goals for North Dakota.
Minnesota Duluth 2, Western Michigan 0: Hunter Miska made 30 saves and the top-ranked Bulldogs (8-2-2, 5-1-1 NCHC) bounced back from Friday's home loss against the Broncos (6-3-1, 3-3). Alex Iafallo and Kyle Osterberg scored power-play goals for Minnesota Duluth, which lost 4-3 Friday on Colt Conrad's goal with 31 seconds to play.
St. Cloud State 7, Colorado College 3: Judd Peterson had a goal and two assists and was one of seven goal-scorers for the Huskies (5-4, 1-2 NCHC) against the host Tigers (3-6, 1-2). St. Cloud State scored the first five goals of the game, the fifth coming shorthanded by Jimmy Schuldt.
Bemidji State 2, Minnesota State Mankato 1 (OT): Nate Arentz scored 97 seconds into overtime and the No. 15 Beavers (9-2-1, 9-0-1 WCHA) beat the No. 11 Mavericks (7-4-1, 5-4-1). Michael Bitzer had 32 saves for Bemidji State.
Boston University 4, Michigan 2: Charlie McAvoy, Jordan Greenway and Patrick Harper scored third-period goals in a span of six minutes and the No. 4 Eagles (5-3-1) earned a series split with the host Wolverines (5-4-1).
Connecticut 3, Ohio State 3 (OT): Rob Nichols made 46 saves as the Huskies (3-3-5) salvaged a tie with the Buckeyes (6-1-4). UConn won a shootout 2-1 in five rounds.
Penn State 3, Alaska Anchorage 1: Nate Sucese had two goals and an assist and the host Nittany Lions (9-1-1) beat the Seawolves (1-9).
Michigan State 4, Ferris State 3: Joe Cox and Mason Appleton scored 1:21 apart in the third period for the visiting Spartans (3-6).