On the first day of the 2011 NCAA Hockey Tournament, four teams booked second-round Saturday games: Yale and Minnesota-Duluth in the East region and the Michigan Wolverines and the Boston College-Colorado College Tigers winner in the West region. By the end of Saturday night, two of those four teams will play in the Frozen Four on Thursday, April 7.

Four other games are on Saturday's schedule, including the Denver Pioneers against the Western Michigan Broncos. The winners of those game will play their second-round games on Sunday.

Here is the complete schedule for Saturday:

EAST REGION -- Bridgeport, Conn. 

No. 1 Yale Bulldogs vs. No. 3 Minnesota-Duluth Bulldogs (March 26, 4:30 p.m. MT, ESPNU/ESPN3.com)

MIDWEST REGION -- Green Bay, Wis.

No. 1 North Dakota Fighting Sioux vs. No. 4 RPI Engineers (March 26, 11:30 a.m. MT, ESPN3.com)
No. 2 Denver Pioneers vs. No. 3 Western Michigan Broncos (Mach 26, 3 p.m. MT, ESPN3.com)

WEST REGION -- St. Louis, Mo.

No. 3 Michigan Wolverines vs. No. 4 Colorado College winner (March 26, 7 p.m. MT, ESPNU/ESPN3.com)

NORTHEAST REGION -- Manchester, N.H.

No. 1 Miami (Ohio) Redhawks vs. No. 4 New Hampshire Wildcats (March 26, 2 p.m. MT, ESPNU)
No. 2 Merrimack Warriors vs. No. 3 Notre Dame Fighting Irish (March 26, 5:30 p.m. MT, ESPN3.com)