The Frozen Four for the 2011 NCAA Men's Hockey Tournament is set following two Sunday regional final games. The North Dakota Fighting Sioux defeated the Denver Pioneers, 6-1, and the Notre Dame Fighting Irish beat the New Hampshire Wildcats, 2-1.

North Dakota, the only remaining No. 1 seed, and Notre Dame join Michigan and Minnesota-Duluth in the Frozen Four. On Saturday, Michigan defeated Colorado College, 2-1, and Minnesota-Duluth sent the No. 1 overall seed Yale Bulldogs home following a 5-3 victory.

Of the four participants, Michigan has the most championships in tournament history with nine. Minnesota-Duluth lost in the 1984 championship game, 5-4 in four overtimes, to Bowling Green. Notre Dame appeared in the 2008 championship game and lost to Boston College, 4-1. North Dakota has seven NCAA titles, the most recent coming in a 4-2 victory over Boston College in 2000. Their last appearance in the championship game came in 2005 when they lost, 4-1, to the Denver Pioneers.

Here is the remaining schedule:

April 7
Frozen Four
Minnesota-Duluth vs. Notre Dame, ESPN2/ESPN3.com
Michigan vs. North Dakota, ESPN2/ESPN3.com

April 9
Championship game, 5:00 p.m. MT, ESPN/ESPN3.com