Junior forward Cole Koepke scored what proved to be the winning goal at 11 minutes, 12 seconds of the third period as No. 5 Minnesota Duluth beat Miami (Ohio) 3-1 on Saturday in the NCHC.
It was UMD's sixth victory in a row.
Koepke's goal was his 11th of the season; he had a hat trick in the series opener, an 8-1 win over the Redhawks.
The series sweep moved the Bulldogs (12-5-2 overall/NCHC) into first place in the conference.
Nick Swaney had UMD's first goal, midway through the opening period. Kobe Roth added an empty-netter in the third.
Zach Stejskal stopped 30 shots for the Bulldogs. Ludwig Persson had 55 saves for Miami (4-14-2) — UMD's 58 shots were a conference record for a single game.
Western Michigan 5, No. 4 St. Cloud State 4 (OT): Michael Joyaux scored with 18 seconds left for the visiting Broncos to send the game into overtime and teammate Drew Worrad won it with a goal 43 seconds into the extra period. The loss prevented the Huskies (12-7) from tying Minnesota Duluth for first place in the NCHC. SCSU had leads of 1-0, 2-1 and 4-3. Sam Hentges scored the Huskies' fourth goal on a power play at 10:30 of the third. Easton Brodzinski had a goal and an assist for St. Cloud State.
Notre Dame 8, Ohio State 1: Nick Leivermann (Eden Prairie) scored two goals and Pierce Crawford, Graham Slaggert and Cam Burke each had a goal and two assists as the visiting Fighting Irish (10-9-1, 8-7-1 Big Ten) swept the Buckeyes (5-14-1, 5-13).
No. 6 MSU Mankato 5. No. 8 Bowling Green 1: Reggie Lutz scored twice and Dryden McKay made 20 saves as the host Mavericks (11-2-1, 8-0 WCHA) beat the Falcons (16-6, 5-3) and tightened their grip on the conference lead. Three players were disqualified and two received 10-minute misconducts after Will Cullen of the Broncos was called for hitting from behind with 27 seconds left in the game.
No. 18 Bemidji State 7, Ferris State 2: Owen Sillinger scored four goals, two on power plays and one shorthanded, for the visiting Beavers (7-4-3, 2-1-1).