BOSTON - Noel Acciari and Mark Jankowski scored second-period goals, Jon Gillies made 25 saves and Providence beat Nebraska-Omaha 4-1 on Thursday night in the Frozen Four to advance to the national championship game for the second time in school history.

Trevor Mingoia and Nick Saracino also scored for the Friars (25-13-2). They will face the winner of the second semifinal between traditional powers Boston University (27-7-5) and North Dakota (29-9-3) in the championship game Saturday night at TD Garden.

The Friars, making their fifth appearance in the final four, lost to RPI in the 1985 title game in Detroit.

Jake Guentzel scored and Ryan Massa made 44 saves for Nebraska-Omaha (20-13-6). The Mavericks were making their first appearance in the Frozen Four.

The Mavericks pulled Massa for an extra skater with 2 minutes left, and Saracino sealed it with an empty-net goal in the final minute.

The Friars had a number of chances early in the second, but Massa was able to keep them off the scoreboard until Acciari broke through midway through the second period.

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Massa was unable to cover a loose puck in front of the crease when Saracino poked it away just before he was able to get his glove over it. The puck squirted to the other side of the crease, where Acciari was able to bang it into the open side of the net.

Providence made it 2-0 on Jankowski's goal a little less than 4 minutes later. Saracino fed a pass to Jankowski alone in front and he lifted a shot over Massa's right pad from just outside the crease.

Guentzel made it 2-1 with 9:14 left in the third, but Mingoia scored 24 seconds later.

In a first period that featured lengthy stretches of continuous action, the Friars outshot the Mavericks 16-9 and had much better scoring chances. The best came with 7 1/2 minutes left when Mingoia broke in alone down the right wing, shifted to his backhand and slipped a shot past Massa, but the puck slid by the left post.

Friars winger Brandon Tanev also hit the outside of the post off a rebound with 6 minutes left.

The Mavericks had a late flurry in the first when Gillies made two stops -- both on shots from the edge of the crease by Justin Parizek and Tyler Vesel.