Boston College is the No. 1 overall seed in the NCAA hockey tournament.

Michigan, Union (N.Y.) and North Dakota also received top seeds for the tournament, which starts on March 24 and 25.

Hockey East champion B.C. will open against Air Force while defending champion Minnesota- Duluth faces Maine in the Northeast Regional.

Maine drew Minnesota- Duluth in the Worcester Regional of the NCAA Tournament. The game is scheduled for 7:30 p.m. on Saturday, from the DCU Center in Worcester, Mass. The Black Bears are the third seed in the regional.

Top national seed Boston College and Air Force are the other two teams in the regional. They will play on Saturday at 4 p.m..

Maine and Minnesota- Duluth have played eight times with the Bulldogs holding a 5-3-0 lead in the all-time series. The two teams last met in the 2005 Florida College Classic with Minnesota- Duluth winning 4-1.

Maine is making its 18th NCAA Regional appearance and first since the 2007 season.

Tickets can be purchased via Ticketmaster and also through the Maine Athletic Ticket office today. Season ticket holders, students, and Black Bear Club members can buy today, with everyone else on Tuesday. The ticket office is 581-BEAR/2327.

Also, Michigan opens against Cornell and Ferris State plays Denver in the Midwest.

North Dakota meets Western Michigan while Boston University faces Minnesota in the West Region.

Union ( N. Y.) will play Michigan State and Miami of Ohio gets UMass-Lowell in the East Region.

The Frozen Four will take place in Tampa, Fla. The semifinals will be April 5 and the championship game will be April 7.