DE PERE - St. Norbert College picked up a sweep of its Northern Collegiate Hockey Association series against Marian University with a 4-3 overtime win at Cornerstone Community Center.

The Green Knights (7-0, 4-0 NCHA) won when Liam Fraser poked home a loose puck from the doorstep with just 36 seconds gone by in overtime to gain two valuable league points. The marker is Fraser's sixth of the year and 63rd of his career, moving him into sole possession of fifth place on St. Norbert's career goals leaderboard.

The victory also gives St. Norbert its best start to a season since going 9-0 to open the 2013-14 campaign.

Following a scoreless first period, St. Norbert got on the goard 53 seconds into the second period on Logan Dombrowsky's fifth goal of the season. Marian answered just 26 seconds later on a Noah Pickart goal. The Sabres then took a 2-1 lead when Matteo Pecchia scored on a breakaway as a St. Norbert power play expired with 11:50 elapsed in the second period. Marian held its one-goal lead into second intermission.

St. Norbert took the lead when Jack Christen tied it with his first collegiate goal at 5:27 of the third period and Byron Hartley pushed it to a 3-2 lead with a marker at 7:59. Marian would tie the game at 3-3 on a Hayden Tuba goal at 9:37.

The Green Knights had two power-play chances in the last six minutes of regulation but couldn't convert. St. Norbert was 0-for-5 on the power play. Marian did not have a power-play chance as the Green Knights again had a penalty-free game. St. Norbert has had four penalty-free games in program history, with three coming in its last four games.

Fraser finished with one goal and two assists for three points. Dombrowsky had one goal and one assist for two points. Christen had an assist with his goal for a two-point game.

St. Norbert outshot Marian 52-19. Grant Adams made 16 saves for the Green Knights, while Tyler Fromolz had 49 stops for the Sabres.