Qualifying teams: 16 (field will be announced at 11 a.m. today on ESPNU and ESPN3)

Automatic qualifiers: Conference tournament champions from WCHA (North Dakota), CCHA (Western Michigan), ECAC (Union), Hockey East (Boston College) and Atlantic Hockey Association (Air Force), plus 11 at-large bids

Friday-Saturday regionals: East in Bridgeport, Conn.; Midwest in Green Bay, Wis.

Saturday-Sunday regionals: West at Xcel Energy Center; Northeast in Worcester, Mass.

Frozen Four: April 5 and 7 at Tampa Bay Times Forum in Tampa, Fla.

2011 champion: Minnesota Duluth

USCHO PAIRWISE RANKINGS (*-automatic bid)

The Pairwise Rankings mimic the formula the NCAA uses to select its tournament field.

1. Boston College*: rank 30, 29-10-1, .7375 pct.

2. Michigan: 29, 24-12-4, .6500

3. Union*: 28, 24-7-7, .7237.

4. North Dakota*: 27, 25-12-3, .6625

5. Miami (Ohio): 26, 24-14-2, .6250

6. Ferris State: 25, 23-11-5, .6538

7. Minnesota Duluth: 23, 24-9-6 ,.6923

8. Gophers: 22, 26-13-1, .6625

9t. Boston University: 21, 23-14-1, .6184

9t. Maine: 21, 23-13-3, .6282

11. Denver: 20, 25-13-4, .6429

12t. Massachusetts Lowell: 19, 23-12-1, .6528

12t. Cornell: 19, 18-8-7, .6515

14. Western Michigan*: 18, 21-13-6, .6000

15t. Michigan State: 15, 19-15-4, .5526

15t. Northern Michigan: 15, 17-14-6, .5405

15t. Merrimack: 15, 18-12-7, .5811

18. Notre Dame: 13, 19-18-3, .5125

19. Ohio State: 11, 15-15-5, .5000

20t. Harvard: 10, 13-10-11, .5441

20t. Colorado College: 10, 18-16-2, .5278

Also

22t. Air Force*: 7, 20-10-7, .6351