Men's ice hockey

First round: East regional -- Boston College 5, Mercyhurst 4; North Dakota 4, Boston U. 0.

West regional -- Minnesota 1, Maine 0 (ot); Cornell 3, Ohio St. 2.

Midwest regional -- Colorado College 6, Colgate 5; Michigan 4, Wisconsin 1.

Northeast regional -- New Hampshire 3, Harvard 2 (ot); Denver 4, Bemidji St. 3.

Second round: East regional -- North Dakota 6, Boston College 3.

West regional -- Minnesota 2, Cornell 1 (ot).

Midwest regional -- Colorado College 4, Michigan 3.

Northeast regional -- Denver 4, New Hampshire 2.

Men's Frozen Four (April 7 and 9 at Schottenstein Center, Columbus Ohio): North Dakota vs. Minnesota; Colorado College vs. Denver.