Regionals: West Regional -- Niagara 4, New Hampshire 1; Boston College 6, Michigan St. 5 (ot); North Dakota 4, Niagara 1; Boston College 4, Wisconsin 1.

East Regional -- Boston U. 5, St. Cloud St. 3; Michigan 4, Colgate 3 (ot); St. Lawrence 3, Boston U. 2 (4 ot); Maine 5, Michigan 2.

Semfinals (April 6 and 8 at Providence, Rhode Island): Maine (27-7-5) vs. North Dakota (29-8-5); Boston College (28-11-1) vs. St. Lawrence (27-7-2).